Adopting the advanced microprocessor to control the circut,the model has the features of steady operation, good commuiction quality, and low power dissipation.
specifications:
1)working frepuency:GSM900/1800MHz   GSM850/1900MHz
   GSM900/1800/1900MHz
   GSM850/900/1800/1900MHz
   CDMA800/1900MHz
2)Low power dissipation:<0.5w for standby,<3w for call
3)Power supply:220v/50Hz
4)Humidty:10%~95%(Non-condensing)
5)Atmospheric Pressure:86~106kpa
6)Environment Noise:<60dB
7)Internet Access Mode:Connect to PC with RS232 standard serial   port; Driver: standard Windows2000/XP modem serial port driver
KEY FEATURES:
1)Support GSM/CDMA network
2)SMS
3)CALLER ID
4)200 sets of phonebook
5)Call forward
6)Call duration displayed in real time
7)Wireless signal indicator available
8)Rechargeable Backup battery capacity
9)Display the status of the battery capacity
10)IP prefix adding
11)Automatic SIM/UIM card locking, network operator locking,SIM/UIM card binding.