The amount of spectrum used for the transmission of a radio signal. For example, a 2G (GSM) channel is 200 kHz wide, a 3G (WCDMA) channel is 5 MHz wide and a 4G (LTE) channel can be up to 20MHz wide .
The amount of spectrum used for the transmission of a radio signal. For example, a 2G (GSM) channel is 200 kHz wide, a 3G (WCDMA) channel is 5 MHz wide and a 4G (LTE) channel can be up to 20MHz wide .