FACTS ABOUT IS-856 REVEALED

One of many main benefits of CDMA2000 is its spectral efficiency, which enables extra customers to share the exact same frequency band, leading to higher ability and better general performance. CDMA2000 is additionally backward appropriate with 2G CDMA networks, which allows for a sleek transition from 2G to 3G services.外观 资助维基百科 åˆ