Frequency Bands

Name # of countries in use # of carriers in use # of devices with support
380 (T-GSM) 0 0 0
410 (T-GSM) 0 0 0
450 0 0 0
480 0 0 0
710 0 0 0
750 0 0 0
810 0 0 0
850 36 57 6713
900 (P-GSM) 0 0 0
900 (E-GSM) 189 474 8574
1800 (DCS) 142 343 8590
1900 (PCS) 34 69 8176

Protocols

CSD

Circuit Switched Data

HSCSD

High-Speed Circuit-Switched Data

GPRS

General packet radio service

EDGE

Enhanced Data rates for GSM Evolution

GPRS C12

EDGE MSC12

GPRS MSC33

GPRS MSC12