Simple to install and easy to maintain
Network support: gsm 850 900 1800 1900 mhz
Imei changing function.You can change the imei to any 15digital code.
Highquality voice
Wide voltage range & low power consumption
Provide accurate antipolarity signal
Support dtmf
Support pc fax
Call forwarding
Caller id
Support 2nd stage dialing
Provide command sets from phone keypad
Add prefixal code automatically:
Skype: tinazhu
Callback function:
Barred telephone numbers can be set flexibly
Locking wireless terminal, locking sim card, locking districts and locking network
Industrial module
Connection mode: rj11 phone sockets
Enhanced high gains external antenna
Backup battery (optional)
Power on/off indicator
Signal strength indicator
