Features:
- Based on GSM900MHz/1800MHz
 - Siemens TC35i GSM module
 - Support reverse polarity
 - Connect to PBX
 - Support fax ...
 

  GSM 850/900/1800/1900MHz four bandsGSM/GPRSMetering pulse of reverse polarityExternal antennaEasy installation and maintenanceWireless fixed Cellular Terminal for PABX, Call shops and rural areas community
Features:
