CDMA 850 is CDMA technology operating in the Cellular (850 MHz) frequency band. Before the existence of GSM 850, the Cellular band was often referred to as the "800 MHz" band. "850 MHz" implies a ...

Reliance Communications on Nov 27 introduced one paise per SMS for both GSM and CDMA customers, triggering a war of tariffs on data services from voice calls. 2010 - Reliance Communications has ...

在进行网络优化的时候，我们必须保证在传输能量的同时没有形成叠加，这对每个使用同一频率的CDMA系统的小区来讲尤其重要。 射频管理就是保证射频能量在不造成任何污染的情况下进行传播——让能量到需要它的地方去，远离不需要它的地方。因此，抑 ...