The VTX combines a sound activated switch and powerful FM Transmitter. The purpose of this arrangement is battery life conservation...Electronics > Circuit Components > Printed Circuit Boards > Development Boards3028KT3028KT15.54Quasar Electronics Limitedhttps://quasarelectronics.co.uk/Item/3028-vtx-voice-activated-fm-room-transmitter-bug
AS3028KT - VTX Voice Activated FM Room Transmitter
VTX combines a sound activated switch & powerful FM Transmitter. The purpose of this arrangement is battery life conservation. This bug only turns on in response to a certain sound level (this trigger level is user adjustable).
Circuit has a 2 stage transmitter section with an RF transistor in the output stage to provide a clear output signal.
Transmits to 500m plus in the open using the 4 x AA battery holder supplied
Can be received on a standard FM radio
Highly sensitive built-in electret microphone
Onboard ON/OFF switch
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.
6Vdc operation (supplied with 4 x AA battery holder for extra long operation (battery Order Code 656.010UK))