cellular communication uses what frequencies
Frequency Bands Used In Cell Phones Of USA. The main frequency bands used in the United States of America in communications are GSM850, GSM1900, 3G (850/1900 and 1700/2100) and 4G (Verizon USA 4G, Sprint Clearwire WiMAX and T-Mobile 4G). For you to better understand what frequencies are used by what standard here is some data for you: