GSM frequency band listed below :
1. GSM 850
- Channel - 128-251
- Up-link frequency - 824-849 MHz
- Down-link frequency - 869-894 MHz
- Channel - 512-885
- Up-link frequency - 1710-1785 MHz
- Down-link frequency - 1805-1880 MHz
- Channel - 512-810
- Up-link frequency - 1850-1910 MHz
- Down-link frequency - 1930-1990 MHz
- Up-link frequency - 450-458 MHz, 479-486 MHz
- Down-link frequency - 460-468 MHz, 489-496 MHz