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)
Frequency Range: 88-108MHz approx.
Supply: 6Vdc operation
Supplied with 4 x AA battery holder for extra long operation (battery Order Code GPUAA).
Operating Current: ~6.5mA @ 6Vdc
Standby Current: ~1mA
Board Dimensions: 63x38x15mm
Full instructions provided

Details
Price:	£39.95 (€ 55.93)

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Quantity	Out of stock