How does a spectrum work?

Spectrum refers to the invisible radio frequencies that wireless signals travel over . Those signals are what enable us to make calls from our mobile devices, tag our friends on Instagram, call an Uber, pull up directions to a destination, and do everything on our mobile devices.

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When was 4G auction in India?

Beginning April 2010 , India started auctioning spectrum. Since then, many rounds of auctions have taken place for sale of 3G and 4G spectrum. The last such spectrum auction took place in 2016 when the government garnered more than Rs 60,000 crore in revenues by sale of 4G spectrum.

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