GSM Phone Line Surveillance

GSM Local Phone Line Interceptor

GSM tri band GSM network to make & instant surveillance task possible. No range limitation, listen in from anywhere in the world.

For home phone line security, monitoring all outgoing and incoming phone conversation
Wireless GSM Spy Bug Phone Device SIM Card Surveillance/ Features:
 
   
Item features

    GSM tri band GSM network to make & instant surveillance task possible. No range limitation
    For home phone line security, monitoring all outgoing and incoming phone conversation.
    Auto switch between phone line and area voice monitoring. Phone line is first detected.
    Auto calling when detect phone line in used, can turn on or off.
    Built in high sensitive dual microphone.
    Auto calling when detect voice level in MJ-PM100, can turn on or off.
    Auto calling when detect external device input, like infra red sensor alarm, can turn on or off.
    Auto calling when detect external device input, like infra red sensor alarm, can turn on or off
    Auto calling when detect shock for MJ-PM100, can turn on or off.
    Dual mode function, can operate independent without phone line plug in, auto detect function, Auto switch to phone line monitoring function.
    External microphone input can be used as voice unlimited repeater, transmit using GSM network.
    SMS control function
    One touch button operate system