Phone
Bugging .com
This 12 volt dc adapter conceals transmitter can be used with any equipment using that voltage, (Answering machine, wireless phone and such).
There is no interference to the equipment operation .
This concealed transmitter is sensitive enough to pick up even whispers from any corner of the room.
The transmitter is high - reliability FM modulated hybrid circuit.
Frequency operation is 433 MHz crystal controlled FM narrow band.

No antenna required. No battery required (Powered by dc current from the adapter).
Audio bandwidth: 20 Hz to 30 kHz. Range up to 700 feet in open area.
The transmitter operates with no connection to the answering machine operation.