: While initially optimized for voice, GSM can carry data at rates ranging from 64 kbps to 120 Mbps.
The introduction of GSM phones has revolutionized communication patterns, particularly in developing regions like Nigeria , where it bridged the gap between rural and urban communities. gsm phone
GSM operates as a digital mobile telephony system utilizing . This technique allows multiple users to share the same frequency channel by dividing it into eight distinct time slots. : While initially optimized for voice, GSM can