33.120 - Components and accessories for telecommunications equipment
ICS 33.120 Details
Components and accessories for telecommunications equipment
Bauteile und Zubehor fur Telekommunikationsgerate
Composants et accessoires pour materiel de telecommunication
Komponente in pribor za telekomunikacijsko opremo
General Information
Frequently Asked Questions
ICS 33.120 is a classification code in the International Classification for Standards (ICS) system. It covers "Components and accessories for telecommunications equipment". The ICS is a hierarchical classification system used to organize international, regional, and national standards, facilitating the search and identification of standards across different fields.
There are 1580 standards classified under ICS 33.120 (Components and accessories for telecommunications equipment). These standards are published by international and regional standardization bodies including ISO, IEC, CEN, CENELEC, and ETSI.
The International Classification for Standards (ICS) is a hierarchical classification system maintained by ISO to organize standards and related documents. It uses a three-level structure with field (2 digits), group (3 digits), and sub-group (2 digits) codes. The ICS helps users find standards by subject area and enables statistical analysis of standards development activities.
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This document specifies the required characteristics of a light weight coaxial cable, 50 Ω, type KW for use in aircraft electrical systems at operating temperature between −55 °C and 180 °C and specially for high frequency up to 6 GHz. Nevertheless, if needed, −65 °C is also acceptable as shown by rapid change of temperature test.
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This document specifies the required characteristics of a light weight coaxial cable, 50 Ω, type KX for use in aircraft electrical systems at operating temperature between −55 °C and 200 °C and specially for high frequency up to 6 GHz. Nevertheless, if needed, −65 °C is also acceptable as shown by rapid change of temperature test.
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IEC 61169-1-3:2026 is applicable to built-in devices (hereinafter referred to as "SPD" - surge protective device) or surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient over voltages.
An SPD is intended to protect the electrical apparatus from transient over voltages and to divert surge currents.
The SPD built in the coaxial connector can be a gas discharge tube type, a ¼ wavelength short stub type, a flash-off gap type, and a hybrid type thereof.
The purpose of these built-in SPD is to protect modern electronic equipment connected to telecommunications and signalling networks with nominal system voltages up to 1 000 V (RMS) AC and 1 500 V DC.
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IEC 61196-1-326:2026 specifies the test methods of clamps for laying coaxial communication cable, including mechanical test methods and environmental test methods.
This document applies to clamps for laying coaxial communication cables, including feeder and radiating cables. For requirements not covered in IEC 61914, clamps for other types of cables can also refer to this document.
This second edition cancels and replaces the first edition published in 2022. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) Addition of Clause 4 to Clause 15.
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The present document specifies technical characteristics and methods of measurements applicable to radio equipment used in MultiPoint (MP) Digital Fixed Radio Systems (DFRS) designed for use in the following sub-ranges (see note 2):
• 30 MHz to 1 GHz.
• 1 GHz to 3 GHz.
• 3 GHz to 11 GHz.
• 24,25 GHz to 29,5 GHz.
• 31,0 GHz to 33,4 GHz.
• 40,5 GHz to 43,5 GHz.
NOTE 1: The relationship between the present document and essential requirements of article 3.2 of Directive 2014/53/EU [i.1] is given in Annex A.
NOTE 2: For more information on the applicable frequency bands, refer to Annex F.
The present document is applicable to multipoint radio system equipment using any arbitrary access method. It applies to all equipment composing the MP systems, i.e. to Central Station (CS), Terminal Station (TS) and Repeater Station (RS). Time Division Duplex (TDD) or Frequency Division Duplex (FDD or H-FDD) can be used on an equivalent basis. Equipment are classified according to one set of Equipment Classification (EqC) (summarized in clause C.4). The EqC set of the equipment under assessment is indicated in the technical documentation (see note 3). Equipment not fitting any of the set of EqC provided by Annex C are not in the scope of the present document.
NOTE 3: See definition in clause 3.2.
Equipment providing undetachable antennas or providing active antennas (eventually requiring radiated test procedures) are not in the scope of the present document (see note 4).
NOTE 4: Rationale is that even if antenna characteristics are not relevant for access to radio spectrum of MP fixed radio systems (see technical description in ETSI TR 101 506 [i.6]), the essential equipment parameters are defined at antenna port and their radiated test procedures are not available. For information, the most common types of antennas are standardized in Part 3 of this multi-part
deliverable [i.2]. Systems referring to an EqC with "H" code (see clause C.2.2) as Primary Equipment Classification (PET), implementing an actual FH-CDMA access method with frequency hopping period exceeding 400 ms, are not considered within the scope of the present document. Applications intended for offering in the bands 3,4 GHz to 3,8 GHz the option of Nomadic Wireless Access (NWA), according to the NWA definition in Recommendation ITU-R F.1399 [i.14], are not considered in the scope of the present document.
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IEC 61196-1-305:2026 applies to coaxial communication cables. It specifies the test methods to determine solderability and the resistance to soldering of inner and outer conductors of cables used in analogue and digital communication systems.
This second edition cancels and replaces the first edition published in 2015. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) 4.1 Preparation of test specimen was added;
b) 4.2 Procedure, 4.3 Requirements and 4.4 Test report were revised;
c) 4.5 Information to be given in the relevant specification was added;
d) 5.1 Preparation of the specimen was added;
e) 5.2 Procedure was revised;
f) 5.5 Information to be given in the relevant specification was added;
g) Figure 1 to Figure 5 were added.
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IEC 62680-1-2:2026, the USB Power Delivery specification defines a power delivery system covering all elements of a USB system including USB Hosts, USB Devices, Hubs, Chargers and cable assemblies. This specification describes the architecture, protocols, power supply behavior, connectors and cabling necessary for managing power delivery over USB at up to 100W in SPR Mode and 240W in EPR Mode. This specification is intended to be fully compatible with and extend the existing USB infrastructure. It is intended that this specification will allow system OEMs, power supply and Peripheral developers adequate flexibility for product versatility and market differentiation without losing backwards compatibility. IEC 62680-1-2:2026 cancels and replaces the seventh edition published in 2024 and constitutes a technical revision. Extended Power Range (EPR) including Adjustable Voltage Supply (AVS) has been added. This document is the USB-IF publication Universal Serial Bus Power Delivery Specification Revision 3.2, Version 1.1.
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IEC 62680-1-3:2026, this specification, defines the USB Type-C® receptacles, plug and cables. The USB Type-C Cable and Connector Specification is guided by the following principles: - Enable new and exciting host and device form-factors where size, industrial design and style are important parameters - Work seamlessly with existing USB host and device silicon solutions - Enhance ease of use for connecting USB devices with a focus on minimizing user confusion for plug and cable orientation The USB Type-C Cable and Connector Specification defines a receptacle, plug, cable, and detection mechanisms that are compatible with existing USB interface electrical and functional specifications. This specification covers the following aspects that are needed to produce and use this new USB cable/connector solution in newer platforms and devices, and that interoperate with existing platforms and devices: - USB Type-C receptacles, including electro-mechanical definition and performance requirements - USB Type-C plugs and cable assemblies, including electro-mechanical definition and performance requirements - USB Type-C to legacy cable assemblies and adapters - USB Type-C-based device detection and interface configuration, including support for legacy connections - USB Power Delivery optimized for the USB Type-C connector. IEC 62680-1-3:2026 cancels and replaces the sixth edition published in 2024 and constitutes an editorial revision. This standard is the USB-IF publication Universal Serial Bus Type-C Cable and Connector Specification Revision 2.4. New release primarily includes incorporation of all approved ECNs as of the revision date plus editorial clean-up.
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IEC 63138-4:2025, which is a Sectional Specification (SS), provides information and rules for the preparation of Detail Specifications (DS) for type L32-4 and L32-5 circular connectors with four RF channels and five RF channels, as well as a detailed specification of the blank format.
The L32-4 and L32-5 circular connectors with 50 Ω nominal impedance has four RF channels and five RF channels which can be engaged and disengaged at the same time. They are characterized by threaded coupling mechanisms, anti-misinsertion mechanism, and the operating frequency of each channel is up to 4 GHz. These connectors have been widely used in mobile communication system like TD-SCDMA and TD-LTE and can also be used in some similar equipment.
This document also specifies mating face dimensions for general connectors (grade 2), gauging information and tests selected from IEC 63138-1, applicable to all Detail Specifications relating to type L32 4 and L32-5 circular connectors.
This document cancels and replaces IEC 61169-59:2017.
This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to IEC 61169-59:2017:
a) use of IEC 63138-1:2019 as its generic specification instead of using IEC 61169-1:2013;
b) all the subclauses and test methods are in line with IEC 63138-1:2019;
c) dimension "g" in Table 3, Table 4, Table 7 and Table 8 has been changed from "0,00 min. to 0,8 max." to "1,6 min. to 2,1 max.".
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IEC 60966-4-4:2025, which is a Detail Specification, relates to multi-channel semi-rigid cable assemblies composed of type 50-5 semi-rigid coaxial cables with foamed polyethylene dielectric (see Annex A) and connectors such as type 7-16 (IEC 61169-4), type 4.1-9.5 (IEC 61169-11), type N (IEC 61169-16), type S7-16 (IEC 61169-53), type 4.3-10 (IEC 61169-54), type L32 (IEC 63138-4), type 2.2-5 (IEC 61169-66), type NEX10 (IEC 61169-71), type MQ4 (IEC 63138-2) or type MQ5 (IEC 63138-3). It gives subfamily detail requirements and severities.
This document applies to the semi-rigid cable assemblies for mobile communication, in particular for the cable assemblies used between main feeder and antennas or between main feeder and equipment system or between remote radio heads and antennas. The operating frequency is up to 6 000 MHz.
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IEC 61935-2:2021 specifies test methods for balanced and coaxial cords, which are used as equipment cords, patch cords, and CP cords, within cabling systems, in accordance with ISO/IEC 11801-1. The test methods and associated requirements are provided to demonstrate performance and reliability and to ensure compatibility of these balanced and coaxial cords during their operational lifetime. This document may also be used for providing test methodology for assessing the performance of other cords.
This fourth edition cancels and replaces the third edition published in 2010. This edition includes the following significant technical changes with respect to the previous edition:
- inclusion of cords up to category 8.1 and category 8.2, as defined in ISO/IEC 11801-1.
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IEC 63138-4:2025, which is a Sectional Specification (SS), provides information and rules for the preparation of Detail Specifications (DS) for type L32-4 and L32-5 circular connectors with four RF channels and five RF channels, as well as a detailed specification of the blank format. The L32-4 and L32-5 circular connectors with 50 Ω nominal impedance has four RF channels and five RF channels which can be engaged and disengaged at the same time. They are characterized by threaded coupling mechanisms, anti-misinsertion mechanism, and the operating frequency of each channel is up to 4 GHz. These connectors have been widely used in mobile communication system like TD-SCDMA and TD-LTE and can also be used in some similar equipment. This document also specifies mating face dimensions for general connectors (grade 2), gauging information and tests selected from IEC 63138-1, applicable to all Detail Specifications relating to type L32 4 and L32-5 circular connectors. This document cancels and replaces IEC 61169-59:2017. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to IEC 61169-59:2017: a) use of IEC 63138-1:2019 as its generic specification instead of using IEC 61169-1:2013; b) all the subclauses and test methods are in line with IEC 63138-1:2019; c) dimension "g" in Table 3, Table 4, Table 7 and Table 8 has been changed from "0,00 min. to 0,8 max." to "1,6 min. to 2,1 max.".
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IEC 60966-4-4:2025, which is a Detail Specification, relates to multi-channel semi-rigid cable assemblies composed of type 50-5 semi-rigid coaxial cables with foamed polyethylene dielectric (see Annex A) and connectors such as type 7-16 (IEC 61169-4), type 4.1-9.5 (IEC 61169-11), type N (IEC 61169-16), type S7-16 (IEC 61169-53), type 4.3-10 (IEC 61169-54), type L32 (IEC 63138-4), type 2.2-5 (IEC 61169-66), type NEX10 (IEC 61169-71), type MQ4 (IEC 63138-2) or type MQ5 (IEC 63138-3). It gives subfamily detail requirements and severities. This document applies to the semi-rigid cable assemblies for mobile communication, in particular for the cable assemblies used between main feeder and antennas or between main feeder and equipment system or between remote radio heads and antennas. The operating frequency is up to 6 000 MHz.
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IEC 62680-1-3:2026, this specification, defines the USB Type-C® receptacles, plug and cables.
The USB Type-C Cable and Connector Specification is guided by the following principles:
- Enable new and exciting host and device form-factors where size, industrial design and style are important parameters
- Work seamlessly with existing USB host and device silicon solutions
- Enhance ease of use for connecting USB devices with a focus on minimizing user confusion for plug and cable orientation
The USB Type-C Cable and Connector Specification defines a receptacle, plug, cable, and detection mechanisms that are compatible with existing USB interface electrical and functional specifications. This specification covers the following aspects that are needed to produce and use this new USB cable/connector solution in newer platforms and devices, and that interoperate with existing platforms and devices:
- USB Type-C receptacles, including electro-mechanical definition and performance requirements
- USB Type-C plugs and cable assemblies, including electro-mechanical definition and performance requirements
- USB Type-C to legacy cable assemblies and adapters
- USB Type-C-based device detection and interface configuration, including support for legacy connections
- USB Power Delivery optimized for the USB Type-C connector.
IEC 62680-1-3:2026 cancels and replaces the sixth edition published in 2024 and constitutes an editorial revision. This standard is the USB-IF publication Universal Serial Bus Type-C Cable and Connector Specification Revision 2.4. New release primarily includes incorporation of all approved ECNs as of the revision date plus editorial clean-up.
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IEC 62680-1-2:2026, the USB Power Delivery specification defines a power delivery system covering all elements of a USB system including USB Hosts, USB Devices, Hubs, Chargers and cable assemblies. This specification describes the architecture, protocols, power supply behavior, connectors and cabling necessary for managing power delivery over USB at up to 100W in SPR Mode and 240W in EPR Mode. This specification is intended to be fully compatible with and extend the existing USB infrastructure. It is intended that this specification will allow system OEMs, power supply and Peripheral developers adequate flexibility for product versatility and market differentiation without losing backwards compatibility.
IEC 62680-1-2:2026 cancels and replaces the seventh edition published in 2024 and constitutes a technical revision.
Extended Power Range (EPR) including Adjustable Voltage Supply (AVS) has been added. This document is the USB-IF publication Universal Serial Bus Power Delivery Specification Revision 3.2, Version 1.1.
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IEC 61169-64:2025, which is a sectional specification (SS), provides information for the preparation of detail specifications (DS) for coaxial connectors with 0,8 mm inner diameter of the outer conductor, characteristic impedance of 50 Ω, and with screw coupling. These connectors are referred to below as type 0,8 connectors. They are used in telecommunications technology as well as in test and measurement applications for operating frequencies up to 145 GHz.
This document describes mating face dimensions for high performance connectors (grade 1) and standard test connectors (grade 0), gauging information and tests selected from IEC 61169-1, applicable to all detail specifications relating to type 0,8 connectors.
This document indicates the recommended performance characteristics to consider when writing a detail specification and it covers test schedules and inspection requirements for assessment levels M and H.
This second edition cancels and replaces the first edition published in 2019. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) upgrading of the inferior connector class to a grade 1 “high performance connector”;
b) alignment of the mating face dimensions as well as the ratings and characteristics with the precision 0,8 mm connectors specified in the IEEE 287.1-2021 and IEEE 287.3-2021 standards;
c) figures: true-to-scale design; change of datum system for tolerances; introduction of an additional dimension;
d) gauge pins: correction of dimensions and test procedures;
e) simplification of the clauses on quality assessment (Clause 5), preparation of a detail specification (Clause 6), and marking (Clause 7) by making direct reference to the generic specification IEC 61169-1;
f) introduction of an optional design for the coupling nut.
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IEC 63616:2025 relates to a conductivity measurement method of thin metal films at microwave and millimeter-wave frequencies. This method has been developed to evaluate the conductivity of a metal foil used for adhering to a substrate or the interfacial conductivity of a metal layer formed on a dielectric substrate. It uses higher-order modes of a balanced-type circular disk resonator and provides broadband conductivity measurements by using a single resonator.
In comparison with the conventional method described in IEC 61788-7 [1]1, this method has the following characteristics:
– the value of the conductivity σ of a metal foil can be measured accurately and non-destructively;
– the value of the interfacial conductivity σ of a metal layer on a dielectric substrate can be measured accurately and non-destructively;
– this method presents broadband measurements by using higher-order modes by one resonator;
– this method is applicable for the measurements under the following conditions:
• frequency: 10 GHz ≤ f ≤ 170 GHz;
• conductivity: 105 S/m ≤σ ≤ 108 S/m.
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IEC 63138-4:2025, which is a Sectional Specification (SS), provides information and rules for the preparation of Detail Specifications (DS) for type L32-4 and L32-5 circular connectors with four RF channels and five RF channels, as well as a detailed specification of the blank format.
The L32-4 and L32-5 circular connectors with 50 Ω nominal impedance has four RF channels and five RF channels which can be engaged and disengaged at the same time. They are characterized by threaded coupling mechanisms, anti-misinsertion mechanism, and the operating frequency of each channel is up to 4 GHz. These connectors have been widely used in mobile communication system like TD-SCDMA and TD-LTE and can also be used in some similar equipment.
This document also specifies mating face dimensions for general connectors (grade 2), gauging information and tests selected from IEC 63138-1, applicable to all Detail Specifications relating to type L32 4 and L32-5 circular connectors.
This document cancels and replaces IEC 61169-59:2017.
This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to IEC 61169-59:2017:
a) use of IEC 63138-1:2019 as its generic specification instead of using IEC 61169-1:2013;
b) all the subclauses and test methods are in line with IEC 63138-1:2019;
c) dimension "g" in Table 3, Table 4, Table 7 and Table 8 has been changed from "0,00 min. to 0,8 max." to "1,6 min. to 2,1 max.".
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This part of IEC 60966 is a detail specification that applies to cable assemblies with F-Quick connectors (see IEC 61169-47) and requires quad-shield screening class A++ (see
IEC 61196-6-5). This document applies to the cable assemblies for radio and TV receivers.
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IEC 60153-2:2025 specifies straight hollow metallic tubing of ordinary rectangular cross-section for use as waveguides in radio frequency electrical applications.
The term "ordinary rectangular waveguide" in the title of this document refers to rectangular waveguides with a b-to-a ratio of 0,5 (or slightly less).
The objective of this document is to specify for hollow metallic waveguides:
a) the details necessary to ensure compatibility and, as far as is essential, interchangeability;
b) test methods;
c) uniform requirements for the electrical and mechanical properties.
This document does not contain any binding specifications for the materials to be used, but merely examples. The exact selection of materials is subject to agreement between the customer and the supplier.
This fourth edition cancels and replaces the third edition published in 2016. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) addition of a cross-sectional view of the waveguide;
b) addition of informative content on the theoretical background of the standard;
c) use of a lower case "k" in the waveguide designation, where appropriate;
d) revision of main specification table (now Table 1):
1) two waveguides moved to the end of the table (R 35, R 41);
2) correction of one waveguide designation (now R 26k);
3) correction of one waveguide outside width (R 18);
4) relaxation of tolerances of waveguide outside dimensions (R 14 to R 70);
5) removed attenuation values of waveguides made of gold, aluminium, and stainless steel;
6) implementation of attenuation values for an idealised copper waveguide;
e) relaxation of tolerances of waveguide outside dimensions for R 14 to R 70 in the table now referred to as Table 4;
f) clarification of the electrical tests:
1) use of standard annealed copper as the reference material for waveguide tubes;
2) correction of the formula for calculating the theoretical attenuation of an idealised copper waveguide;
3) addition of a formula for calculating the theoretical attenuation of waveguides made of any material;
4) addition of an informative table with typical waveguide materials (Table 5);
g) addition of an informative cross-reference for waveguide type designations (Annex A).
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IEC 60966-4-4:2025, which is a Detail Specification, relates to multi-channel semi-rigid cable assemblies composed of type 50-5 semi-rigid coaxial cables with foamed polyethylene dielectric (see Annex A) and connectors such as type 7-16 (IEC 61169-4), type 4.1-9.5 (IEC 61169-11), type N (IEC 61169-16), type S7-16 (IEC 61169-53), type 4.3-10 (IEC 61169-54), type L32 (IEC 63138-4), type 2.2-5 (IEC 61169-66), type NEX10 (IEC 61169-71), type MQ4 (IEC 63138-2) or type MQ5 (IEC 63138-3). It gives subfamily detail requirements and severities.
This document applies to the semi-rigid cable assemblies for mobile communication, in particular for the cable assemblies used between main feeder and antennas or between main feeder and equipment system or between remote radio heads and antennas. The operating frequency is up to 6 000 MHz.
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IEC 61169-74:2025, which is a Sectional Specification (SS), provides information and rules for the preparation of Detail Specifications (DS) for series HN RF coaxial connectors with screw coupling with a characteristic impedance of 50 Ω.
This document prescribes mating face dimensions for high performance connectors (grade 2), dimensional details of standard test connectors (grade 0), gauging information and tests selected from IEC 61169-1, applicable to all Detail Specifications relating to series HN RF connectors.
This document indicates recommended performance characteristics which are considered when writing a Detail Specification and it covers test schedules and inspection requirements for assessment levels M and H.
The series HN connectors are intended to be used in microwave transmission systems and can be connected with all kinds of RF cables and microstrips. The operating frequency is up to 6 GHz.
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IEC 60153-2:2025 specifies straight hollow metallic tubing of ordinary rectangular cross-section for use as waveguides in radio frequency electrical applications. The term "ordinary rectangular waveguide" in the title of this document refers to rectangular waveguides with a b-to-a ratio of 0,5 (or slightly less). The objective of this document is to specify for hollow metallic waveguides: a) the details necessary to ensure compatibility and, as far as is essential, interchangeability; b) test methods; c) uniform requirements for the electrical and mechanical properties. This document does not contain any binding specifications for the materials to be used, but merely examples. The exact selection of materials is subject to agreement between the customer and the supplier. This fourth edition cancels and replaces the third edition published in 2016. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) addition of a cross-sectional view of the waveguide; b) addition of informative content on the theoretical background of the standard; c) use of a lower case "k" in the waveguide designation, where appropriate; d) revision of main specification table (now Table 1): 1) two waveguides moved to the end of the table (R 35, R 41); 2) correction of one waveguide designation (now R 26k); 3) correction of one waveguide outside width (R 18); 4) relaxation of tolerances of waveguide outside dimensions (R 14 to R 70); 5) removed attenuation values of waveguides made of gold, aluminium, and stainless steel; 6) implementation of attenuation values for an idealised copper waveguide; e) relaxation of tolerances of waveguide outside dimensions for R 14 to R 70 in the table now referred to as Table 4; f) clarification of the electrical tests: 1) use of standard annealed copper as the reference material for waveguide tubes; 2) correction of the formula for calculating the theoretical attenuation of an idealised copper waveguide; 3) addition of a formula for calculating the theoretical attenuation of waveguides made of any material; 4) addition of an informative table with typical waveguide materials (Table 5); g) addition of an informative cross-reference for waveguide type designations (Annex A).
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IEC 60966-2-8:2025 is available as IEC 60966-2-8:2025 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60966-2-8:2025 is a detail specification that applies to cable assemblies with F-Quick connectors (see IEC 61169-47) and requires quad-shield screening class A++ (see IEC 61196-6-5). This document applies to the cable assemblies for radio and TV receivers. This second edition cancels and replaces the first edition published in 2022. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) in item [5], drawing expanded by right angled connectors; b) in item [12], female F-connectors cancelled (not standardized by IEC 61169-47); c) in item [14] Reflection properties (return loss): different values for straight and right-angled connectors; d) in item [14] Insertion loss: different factors for insertion loss calculation for straight and right-angled connectors; e) in item [14] Loop resistance: loop resistance was set to 1 Ω max. value for the complete length.
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IEC TR 61169-1-8:2025 provides a test method for voltage standing wave ratio (VSWR, hereinafter) of single RF connector by double-connector method. This document is applicable to single RF cable connectors and single microstrip RF connectors as well as single adapters if an estimation of the VSWR of a single completely installed RF-connector is used and a time domain feature is not available on the vector network analyzer.
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IEC 61169-74:2025, which is a Sectional Specification (SS), provides information and rules for the preparation of Detail Specifications (DS) for series HN RF coaxial connectors with screw coupling with a characteristic impedance of 50 Ω. This document prescribes mating face dimensions for high performance connectors (grade 2), dimensional details of standard test connectors (grade 0), gauging information and tests selected from IEC 61169-1, applicable to all Detail Specifications relating to series HN RF connectors. This document indicates recommended performance characteristics which are considered when writing a Detail Specification and it covers test schedules and inspection requirements for assessment levels M and H. The series HN connectors are intended to be used in microwave transmission systems and can be connected with all kinds of RF cables and microstrips. The operating frequency is up to 6 GHz.
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IEC 62037-2:2021 defines a procedure to measure levels of passive intermodulation generated by a coaxial cable assembly. This test method is applicable to jumper cables, i.e. cable assemblies intended to provide interface flexibility between rigid devices. It is also used to evaluate cable assemblies that are subjected to motion in operation.
This second edition cancels and replaces the first edition published in 2012. This edition includes the following significant technical changes with respect to the previous edition:
a. criteria for application of mechanical stress revised to be a function of advertised cable bend radius.
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IEC 61169-64:2025, which is a sectional specification (SS), provides information for the preparation of detail specifications (DS) for coaxial connectors with 0,8 mm inner diameter of the outer conductor, characteristic impedance of 50 Ω, and with screw coupling. These connectors are referred to below as type 0,8 connectors. They are used in telecommunications technology as well as in test and measurement applications for operating frequencies up to 145 GHz. This document describes mating face dimensions for high performance connectors (grade 1) and standard test connectors (grade 0), gauging information and tests selected from IEC 61169-1, applicable to all detail specifications relating to type 0,8 connectors. This document indicates the recommended performance characteristics to consider when writing a detail specification and it covers test schedules and inspection requirements for assessment levels M and H. This second edition cancels and replaces the first edition published in 2019. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) upgrading of the inferior connector class to a grade 1 “high performance connector”; b) alignment of the mating face dimensions as well as the ratings and characteristics with the precision 0,8 mm connectors specified in the IEEE 287.1-2021 and IEEE 287.3-2021 standards; c) figures: true-to-scale design; change of datum system for tolerances; introduction of an additional dimension; d) gauge pins: correction of dimensions and test procedures; e) simplification of the clauses on quality assessment (Clause 5), preparation of a detail specification (Clause 6), and marking (Clause 7) by making direct reference to the generic specification IEC 61169-1; f) introduction of an optional design for the coupling nut.
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IEC 63466-1:2025 specifies the general requirements and test methods for leaky waveguides, including terms and definitions, design and structure, type designation, ratings and characteristics, identification, marking and labelling, requirements and test methods, etc.
This document is applicable to leaky waveguides, including rigid rectangular leaky waveguides and elliptic leaky waveguides. These leaky waveguides are intended for use in tunnels, railways, highways, subways, elevators and other installations in which conventional antenna transmission is not satisfactory or even impossible.
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IEC 60153-2:2025 specifies straight hollow metallic tubing of ordinary rectangular cross-section for use as waveguides in radio frequency electrical applications.
The term "ordinary rectangular waveguide" in the title of this document refers to rectangular waveguides with a b-to-a ratio of 0,5 (or slightly less).
The objective of this document is to specify for hollow metallic waveguides:
a) the details necessary to ensure compatibility and, as far as is essential, interchangeability;
b) test methods;
c) uniform requirements for the electrical and mechanical properties.
This document does not contain any binding specifications for the materials to be used, but merely examples. The exact selection of materials is subject to agreement between the customer and the supplier.
This fourth edition cancels and replaces the third edition published in 2016. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) addition of a cross-sectional view of the waveguide;
b) addition of informative content on the theoretical background of the standard;
c) use of a lower case "k" in the waveguide designation, where appropriate;
d) revision of main specification table (now Table 1):
1) two waveguides moved to the end of the table (R 35, R 41);
2) correction of one waveguide designation (now R 26k);
3) correction of one waveguide outside width (R 18);
4) relaxation of tolerances of waveguide outside dimensions (R 14 to R 70);
5) removed attenuation values of waveguides made of gold, aluminium, and stainless steel;
6) implementation of attenuation values for an idealised copper waveguide;
e) relaxation of tolerances of waveguide outside dimensions for R 14 to R 70 in the table now referred to as Table 4;
f) clarification of the electrical tests:
1) use of standard annealed copper as the reference material for waveguide tubes;
2) correction of the formula for calculating the theoretical attenuation of an idealised copper waveguide;
3) addition of a formula for calculating the theoretical attenuation of waveguides made of any material;
4) addition of an informative table with typical waveguide materials (Table 5);
g) addition of an informative cross-reference for waveguide type designations (Annex A).
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IEC 60966-2-8:2025 is available as IEC 60966-2-8:2025 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60966-2-8:2025 is a detail specification that applies to cable assemblies with F-Quick connectors (see IEC 61169-47) and requires quad-shield screening class A++ (see IEC 61196-6-5). This document applies to the cable assemblies for radio and TV receivers. This second edition cancels and replaces the first edition published in 2022. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) in item [5], drawing expanded by right angled connectors;
b) in item [12], female F-connectors cancelled (not standardized by IEC 61169-47);
c) in item [14] Reflection properties (return loss): different values for straight and right-angled connectors;
d) in item [14] Insertion loss: different factors for insertion loss calculation for straight and right-angled connectors;
e) in item [14] Loop resistance: loop resistance was set to 1 Ω max. value for the complete length.
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IEC 61196-1-114:2025 specifies a test method to determine the inductance characteristics of coaxial communication cables. This second edition cancels and replaces the first edition published in 2015. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) the term "inductance" has been revised;
b) the necessary abbreviated term is added;
c) the length and layout of the test sample have been revised;
d) the measuring procedure has been revised;
e) the additional information for the bending effect on coaxial cable inductance test is provided in Annex A.
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IEC 61169-74:2025, which is a Sectional Specification (SS), provides information and rules for the preparation of Detail Specifications (DS) for series HN RF coaxial connectors with screw coupling with a characteristic impedance of 50 Ω.
This document prescribes mating face dimensions for high performance connectors (grade 2), dimensional details of standard test connectors (grade 0), gauging information and tests selected from IEC 61169-1, applicable to all Detail Specifications relating to series HN RF connectors.
This document indicates recommended performance characteristics which are considered when writing a Detail Specification and it covers test schedules and inspection requirements for assessment levels M and H.
The series HN connectors are intended to be used in microwave transmission systems and can be connected with all kinds of RF cables and microstrips. The operating frequency is up to 6 GHz.
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IEC 62153-4-7:2021 deals with the triaxial tube in tube method. This triaxial method is suitable to determine the surface transfer impedance and/or screening attenuation and coupling attenuation of mated screened connectors (including the connection between cable and connector) and cable assemblies. This method could also be extended to determine the transfer impedance, coupling or screening attenuation of balanced or multipin connectors and multicore cable assemblies. This third edition cancels and replaces the second edition published in 2015 and its Amendment 1:2018.This edition includes the following significant technical changes with respect to the previous edition:
- Annex E contains informative information about the direct measurement of screening effectiveness of connectors;
- Annex F gives normative information about mixed mode parameters;
- Annex G contains normative information about accessories for measuring coupling attenuation;
- Annex H discusses the low frequency screening attenuation.
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IEC 61169-23:2025, which is a sectional specification (SS), provides information and rules for the preparation of detail specifications (DS) for pin and socket connector for use with 3,5 mm rigid precision coaxial lines with inner diameter of outer conductor 3,5 mm (0,137 8 in).
This document specifies mating face dimensions for high performance connectors – grade 1, dimensional details of standard test connectors – grade 0, gauging information and tests selected from IEC 61169-1, applicable to all detail specifications relating to series 3,5 mm RF connectors.
This document indicates recommended performance characteristics to be considered when writing a detail specification and it covers test schedules and inspection requirements for assessment levels M and H.
These connectors are constructed so as to affix on the 50 Ω, 3,5 mm rigid precision coaxial line described in IEC 60457-5, and to provide low reflection to 34 GHz. These connectors can be intermated with SMA (IEC 61169-15) and 2,92 mm (IEC 61169-35) connectors.
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IEC 61169-64:2025, which is a sectional specification (SS), provides information for the preparation of detail specifications (DS) for coaxial connectors with 0,8 mm inner diameter of the outer conductor, characteristic impedance of 50 Ω, and with screw coupling. These connectors are referred to below as type 0,8 connectors. They are used in telecommunications technology as well as in test and measurement applications for operating frequencies up to 145 GHz.
This document describes mating face dimensions for high performance connectors (grade 1) and standard test connectors (grade 0), gauging information and tests selected from IEC 61169-1, applicable to all detail specifications relating to type 0,8 connectors.
This document indicates the recommended performance characteristics to consider when writing a detail specification and it covers test schedules and inspection requirements for assessment levels M and H.
This second edition cancels and replaces the first edition published in 2019. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) upgrading of the inferior connector class to a grade 1 “high performance connector”;
b) alignment of the mating face dimensions as well as the ratings and characteristics with the precision 0,8 mm connectors specified in the IEEE 287.1-2021 and IEEE 287.3-2021 standards;
c) figures: true-to-scale design; change of datum system for tolerances; introduction of an additional dimension;
d) gauge pins: correction of dimensions and test procedures;
e) simplification of the clauses on quality assessment (Clause 5), preparation of a detail specification (Clause 6), and marking (Clause 7) by making direct reference to the generic specification IEC 61169-1;
f) introduction of an optional design for the coupling nut.
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IEC 61169-23:2025, which is a sectional specification (SS), provides information and rules for the preparation of detail specifications (DS) for pin and socket connector for use with 3,5 mm rigid precision coaxial lines with inner diameter of outer conductor 3,5 mm (0,137 8 in). This document specifies mating face dimensions for high performance connectors – grade 1, dimensional details of standard test connectors – grade 0, gauging information and tests selected from IEC 61169-1, applicable to all detail specifications relating to series 3,5 mm RF connectors. This document indicates recommended performance characteristics to be considered when writing a detail specification and it covers test schedules and inspection requirements for assessment levels M and H. These connectors are constructed so as to affix on the 50 Ω, 3,5 mm rigid precision coaxial line described in IEC 60457-5, and to provide low reflection to 34 GHz. These connectors can be intermated with SMA (IEC 61169-15) and 2,92 mm (IEC 61169-35) connectors.
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IEC 62783-2:2025 specifies the definitions and requirements of twin-axial (twinax) cables used in digital communication systems. This document covers twinax cable intended to be used indoors. The specifications are intended to support the twinax link segment specifications of the ISO/IEC/IEEE 8802-3 Ethernet over twinax physical layer (PHY) specifications. This document gives requirements and transmission characteristics for a single twinax element as well as for multiple twinax elements within the same sheath, i.e. "twinax cable". This second edition cancels and replaces the first edition published in 2019. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) updating according to the revised generic twinax cable requirements given in IEC 62783 1:2023;
b) updating according to new twinax link segment specifications recently added to ISO/IEC/IEEE 8802-3 Ethernet physical interfaces.
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This document specifies the required characteristics of coaxial cables, 50 Ω, type WM, for use in aircraft electrical systems at operating temperatures between −55 °C and 200 °C and specially for high frequency up to 6 GHz.
The document encloses also a reinforced cable version (code R) which is used for sensitive systems with controlled VSWR.
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This document specifies the required characteristics of a coaxial cable, 50 Ω, type WD, for use in aircraft electrical systems at operating temperature between -55 °C and 200 °C and specially for high frequency up to 6 GHz. Nevertheless, if needed, −65 °C is also acceptable as shown by thermal stability test.
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This document specifies the required characteristics of coaxial cables, 50 Ω, type WN, for use in aircraft electrical systems at operating temperatures between −55 °C and 200 °C and specially for high frequency up to 6 GHz.
The document encloses also a reinforced cable version (code R) which is used for sensitive systems with controlled VSWR.
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