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本文介绍国外当前新涌现出的几种蜂房式移动无线通信专用器件,着重阐述了利用SA602和SA604制作窄带调频系统的应用实例及其主要性能。
This article introduces several kinds of newly emerged special devices for mobile cellular communication in foreign countries. The application examples and the main performance of the narrowband FM system using SA602 and SA604 are emphatically described.