IEC 62604-1:20 22作为IEC 62604-1:20 22 RLV提供，其中包含国际标准及其红线版本，显示了与上一版本相比技术内容的所有变化。IEC 62604-1:20 22规定了使用能力批准或资格批准程序评估质量的SAW和BAW双工器的测试方法和一般要求。与上一版相比，此版本包括以下重大技术变更: -术语“多路复用器”已被添加到条款3中。 注:在本文件中，SAW和BAW双工器被同时处理，因为这两种双工器以相同的方式使用，尤其是在移动电话中，并且具有相同的特性、测试方法等要求。

IEC 62604-1:2022 is available as IEC 62604-1:2022 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 62604-1:2022 specifies the methods of test and general requirements for SAW and BAW duplexers of assessed quality using either capability approval or qualification approval procedures. This edition includes the following significant technical changes with respect to the previous edition:
- the term "multiplexer" has been added to Clause 3.
NOTE In this document, SAW and BAW duplexers are treated simultaneously because both duplexers are used in the same manner especially in mobile phones and have the same requirements of characteristics, test method and so on.