How to use this device?

Step 1: Install a SIM Card
Insert the SIM card only when the terminal is switched off and the AC adapter is unplugged.
Step 2: Connect the Antenna
For antenna connection, you can use your mobile phone to search for the place where the strongest signal is, then put the antenna there. Please do not make the antenna too close to the terminal. It will disturb the signal of the terminal. Please do not make the antenna and the terminal too close to the TV set, computer, and radiogram etc. It will disturb the signal of the terminal.
Step 3:Connecting your terminal with desktop phone
To make calls, you should connect the telephone line with RJ11 phone port of GSM terminal and telephone set,
There are two communication portals at the side of the terminal .You can connect one or two desktop phones with terminal. (Please use the telephone line in the package)
Step 4: Connect power adapter and switch on the power.
Step 5: For a while, the device get GSM signal and enter normal working status.
Step 6: Make phone call (dial in and dial out) with your telephone set that connected with terminal.
The phone number of desktop phone is the GSM SIM card number inside terminal.
*When your phone is ringing, just lift up the handset of the telephone set and speak.
*Lift up handset or press the hand free key on the telephone set, then input the phone numbers you would like to dail out, you can call out to others.

Specifications

1. GSM Frequency: GSM850/900/1800/1900MHz
2. Voltage: DC5V/DC12V
3. Power consumption: Static≤25MA emission≤SOOMA
4. Peak power consumption: 0.25W/0.5W
5. Receive sensitivity: -104db
6. Antenna increment: All directions: S.Odb Certain/Selection: 12db
7. RJ11 Port: 2, can connect with two telephone sets.