2G mobile network is based on GSM(Global System for Mobile Communication). … Difference between 2G and 3G Cellular Network : 2G3GIt is less secure than 3G.Highly secure as 3G network permits validation measures.Video calls cannot be made.Video calls can be made.Difference between 2G and 3G Cellular Network – GeeksforGeeks www.geeksforgeeks.org › difference-between-2g-and-3g-cellular-network