How did cellular networks evolve?

The very first generation of commercial cellular network was introduced in the late 70’s with fully implemented standards being established throughout the 80’s . The radio signals used by 1G are analogue, meaning the voice of a call is modulated to a higher frequency rather than being encoded to digital signals.

Read more

Can you still use the 2G network?

Most of America’s largest carriers have already shuttered their 2G service or plan to soon: … Verizon Wireless phased out its 2G CDMA network at the end of 2020. Sprint sunsetted their 2G CDMA network in December of 2021. T-Mobile plans to sunset their 2G network in December of 2022.

Read more