Give one difference between 3G and 4G.

A 3G network can produce a download data rates of upto 384 kbps under normal conditions and up to 2 Mbps in some instances while a 4G network offers peak data rates of at least 100 megabits per second for high mobility communication (users in cars, trains, etc.) and at least 1 Gigabit per second for low mobility communication (pedestrians and stationary users).