Specifications

4 GSM LT-1 SATEL
2.3 WORKING IN CONJUNCTION WITH PBX STATIONS
The module can work in conjunction with the Private Branch Exchanges (PBX) as an
additional external telephone line. It can be used to make outgoing calls to the mobile phone
numbers and thus optimize the costs incurred.
3. DESCRIPTION OF THE MODULE
3.1 DESCRIPTION OF THE ELECTRONICS BOARD
Fig. 3. View of GSM LT-1 module electronics board.
Explanations for Fig. 3:
1 - external antenna connection.
2 - GSM industrial telephone.
3 - SIM card socket. It is not recommended that SIM card be inserted into the socket
before the card PIN code has been programmed in the module. The GPRS service