Specification :

1¡¢Suitable for GSM850MHZ or 900MHZ or 1800MHZ or 1900MHZ, simulate an ordinary telephone wire, connecting the ordinary telephone, number of SIM card that its number is offered by mobile network firms, realizing the local call¡¢domestic and international call.
2¡¢Wireless and wired switch function.
3¡¢Can connect charging devices, support precise charging function.
4¡¢Support call-in numbers to display£¬operating like the ordinary desk-top telephone.
5¡¢Program by ordinary telephone.
6¡¢Pre-set the local code and IP special service number, add the IP number automatically while dialing the long distance call.
7¡¢Set all kinds of authorities about International¡¢domestic and local incoming calls.
8¡¢Pre-set PIN yard protected function, make the terminal and SIM card one-to-one correspondence.
9¡¢Connect PBX by optimize the circuit directly, can connect a lot of inner lines.
10¡¢Display the power and signal function.
11¡¢Hold the external storage battery to charge while losing electrical power.