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> Voice/sound activated fm wireless transmitter kit K28
Voice/sound activated fm wireless transmitter kit K28
Voice Activated FM Transmitter
VOX saves battery, increase operating time
ZTX320 transistor specification
A sound activated switch and an FM transmitter joined together to make a voice activated FM transmitter. Set the level of sound that it will respond to. Two stage transmitter needs tuning to get best results. Tuning Kit and instructions enclosed. Transmits up to 1 km in the open depending on the aerial used
