What is ARFCN in 2g?

The Absolute Radio Frequency Channel Number (ARFCN) is a unique number given to each radio channel in GSM. The ARFCN can be used to calculate the exact frequency of the radio channel. Within the GSM900 band ARFCN 1 to 124 are used.

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How do cellular bands work?

What are Cellular Frequency Bands? Cellular carriers lease out multiple frequencies from the government airwaves to grant users access to their network . Phones and other mobile devices use specific frequencies to communicate with the carrier’s cell towers. A frequency is the number of sound waves occurring per second.

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