What does it mean by E, 3G and H or 3.5G as network symbol in Mobile Stations

What does it mean by E, 3G and H or 3.5G as network symbol in Mobile Stations?


H or 3.5 G stands for HSPA (High Speed Packet Access) is a new generation communication protocol that allows data connections up to 14.4Mbps download speed and up to 5.8Mbps upload speed per user in good coverage and quality conditions.

 3G means WCDMA (Wideband Code Division Multiple Access) that is a 3G technology version that allows data connections up to 2 Mbps per user in good coverage and quality conditions.

E stands for Enhanced Data Rates for GSM Evolution, known as EDGE that is 2.5G technology version which can go up to a speed of 264 Kbps.