The cellular digital packet data (CDPD) is a system which borrows idle radio channels from the existing cellular mobile telephone networks for packet data transmission.

蜂窝数字分组数据(CDPD)是利用现有的模拟蜂窝电话网来传输数据的一种新技术。

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The E-TDMA-based GMH2000 fixed radio system developed by Hughes Network Systems (HNS) provides an effective local radio loop solution for the public telephone service.

休斯网络系统公司(HNS)的GMH2000固定无线系统是一个基于E - TDMA的系统，它为公用电话业务提供了最有效的无线本地环路的解决方案。

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The progress on the study of radio frequency radiation from mobile telephone influence on the central nervous system and the study matter and resolvent are discussed in the article.

本文综述了近年来有关射频辐射对中枢神经系统影响的研究结果，并指出目前研究存在的问题及将来可能的研究方向。

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The entire BRABUS multimedia system is controlled from the passenger seat or the rear compartment by two iPads that also control the car's standard COMAND system with all functions such as radio, navigation system and telephone.

ENGADGET: Brabus iBusiness luxury sedan puts an iPad at every seat, a Magic Mouse at every hide-covered armrest

The enterprise version can also integrate conventional radio systems and telephone networks into the system.

FORBES: Connect