GSM Radio Interface Frequency Bands
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 | 16243 |
| 900 (P-GSM) | 0 | 0 | 0 |
| 900 (E-GSM) | 189 | 474 | 18472 |
| 1800 (DCS) | 142 | 341 | 18474 |
| 1900 (PCS) | 34 | 71 | 17605 |
Protocols
CSD
Circuit Switched Data
HSCSD
High-Speed Circuit-Switched Data
GPRS
General packet radio service
EDGE
Enhanced Data rates for GSM Evolution
