UMB (ULTRA MOBILE BROADBAND) - AN OVERVIEW

One of several principal benefits of CDMA2000 is its spectral efficiency, which lets a lot more users to share the same frequency band, leading to higher potential and far better efficiency. CDMA2000 is also backward suitable with 2G CDMA networks, which permits a sleek transition from 2G to 3G services.It is possible to either elect to see the cro