说明：  直放站的原理与应用,直放站是随着移动通信的发展而出现的一种无线通信设备。直放站的大量应用是近两年的事情，尤其随着CDMA 网开通和GSM 网的深度覆盖，制造厂家明显多，各种各样的直放站应运而生，直放站已经成为无线网络覆盖中的重要设备。
(Repeater and application of the principle, Repeater, with the mobile communication and the development of a wireless communications equipment. Repeater is the large-scale application of things of the past two years, particularly as the CDMA Network and the depth of GSM network coverage, manufacturers obviously, Repeater variety of crops, Repeater has become the wireless network coverage of important equipment.)