So, what are the speeds delivered in each of the 2G, 3G, 4G and 4G LTE technology? 1G – The analog 1G offered simple telephony service without data. 2G – Delivered digital signal and offered up to 250Kbps speed . Supports voice, text and data services. 3G – At least 200Kbps up to 3Mbps speed.23 Eki 2016