An Overview of GSM Frequency Bands
GSM frequencies can be defined as the sets of GSM frequency bands ranges within the ultrahigh-frequency band that have been allocated for cellular-compatible phones, including mobile phones that can be connected to cellular networks. There are several mobile networks throughout the world that use portions of the radio frequency spectrum, allocated to the mobile service, for the transmission as well as the reception of their signals. Such bands can be shared with other radio communication services, including broadcasting service, and fixed service operation.
Radio frequencies used for GSM networks differ in ITU regions, including Americas, Europe, Africa, and Asia. The first commercial standard for cellular connection in the US was AMPS that was in the 800 MHz frequency band. In Europe, the first widespread automatic mobile network was based on the NMT-450 standard that was in the 450...







