Mobile to BTS (uplink): 890-915 Mhz.
BTS to Mobile(downlink): 935-960 Mhz.
Bandwidth : 2* 25 Mhz.
GSM 1800
Mobile to BTS (uplink): 1710-1785 Mhz.
BTS to Mobile(downlink): 1805-1880 Mhz.
Bandwidth : 2* 75 Mhz.
* Carrier Separation : 200 Khz.
* Duplex Distance : 45 Mhz.
* No. of RF carriers : 124.
* Access Method : TDMA/FDD.
* Modulation Method : GMSK.
* Modulation data rate : 270.833 Kbps.
