Attach the MTTX anywhere along a phone line (a simple job that takes just 5 minutes). You then tune an FM radio into the signal...Electronics > Circuit Components > Printed Circuit Boards > Development Boards3016KT3016KT10.74Quasar Electronics Limitedhttps://quasarelectronics.co.uk/Item/3016-mttx-miniature-fm-telephone-transmitter-bug
AS3016KT - MTTX Miniature FM Telephone Transmitter
Attach the MTTX anywhere along a phone line (a simple job that takes just 5 minutes). You then tune an FM radio into the signal and you will hear exactly what both parties are saying.
The MTTX starts transmits only when the phone is used. If you have a radio/cassette you can even record the conversation for future playback (the Telephone Recording Interface may also be used for this purpose).
Uses a 2-transistor circuit with an RF transistor in the output stage to give a clear, stable signal. Draws it's power from the phone line so is completely maintenance free once installed.
Transmits to 300 metres plus in the open (further if receiver is near phone line)
Suitable for use on any phone system worldwide
Requires no aerial wire - uses phone line as antenna
Can be received on a standard FM radio
This product does not have BT approval. It is against the law to record telephone conversations without consent.
Full instructions provided
User adjustable transmitting frequency (just requires a small screwdriver)
!! NOT FOR SALE IN THE UK!! Please do not order this item if you live in the UK. The item will be removed from your order and refunded accordingly.
None - draws it's low power requirements from phone line so no external power supply needed