Telephone transmitters can be used to intercept telephone conversations by connecting a transmitting device on to the line and transmitting the conversation to a remote location.
GSM Audio Bugs, Telephone Monitoring, Telephone Recording, Telephone TransmittersInfinity Telephone Call Monitor
£230.00 exc Vat £276.00 inc VatThe Infinity call monitor is a very small compact size but is a powerful GSM monitor and security system. The device is easy to set up by simple SMS