How is the spectrum alloted?

They are divided into bands based on frequencies (see ‘Radio spectrum’). Mobile phones use two technologies based on different parts of the radio spectrum— GSM (global system for mobile communications) and CDMA (code division multiple access). Most of the radio spectrum is reserved in countries for defence.15 Mar 2011

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What is a 4G spectrum?

It harmonized spectrum in the 800MHz band in 19 LSAs, 900MHz in 8 areas, 1,800MHz band in 21 areas, 2,100MHz band in three zones, and 2,300MHz band in 16 telecom circles. Spectrum harmonization allows efficient use of airwaves held by operators, leading to improved service quality for consumers.

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