Question: what are 2g 3g 4g difference?
Answer: 2G – Delivered digital signal and offered up to 250Kbps speed. Supports voice, text and data services. 3G – At least 200Kbps up to 3Mbps speed. 4G – 4G delivers up to 100Mbps for mobile access, and up to 1Gbps for wireless access.