Whatever happened to those weird noises affecting nearby speakers when we received a call on a cell phone back in the days, as illustrated in the link?

Question

https://streamable.com/yerb9

I was appreciating the nice little attention to that detail in gta4, but it got me wondering how come it’s gone nowadays.

In: Engineering

Answer 1

The band of the radio spectrum in use might have changed as we switched from GPRS / 2G to 3G and onwards. Higher frequencies being needed to transmit more packets of information at a faster rate.