It's usually quite common over e.g. 4g. You first have to wake up the radio and attach to a cell tower, which can take 50ms or so. Once you've done that latency

It's usually quite common over e.g. 4g. You first have to wake up the radio and attach to a cell tower, which can take 50ms or so. Once you've done that latency for subsequent packets can be much lower (e.g. 5ms).