IEC 63138-1:2019 which is a generic specification, specifies general requirements for multi-channel radio-frequency connectors, including terms and definitions, design and construction, ratings and characteristics, climatic categories, IEC type designation, requirements and test procedures, quality assessment, marking, etc.
It provides the basis for establishing the sectional specifications for various multi­channel radio­frequency connector types. This document applies to multi-channel radio-frequency connectors (called "connectors", hereinafter) for use in communications, electronics and other equipment.