Very High Frequency Acoustic Surveillance Transmitters

Tiny and not so tiny Very High Frequency acoustic surveillance transmitters that broadcast real-time audio of their surroundings for extended periods of time. All of our surveillance transmitters broadcast audio which can be received using any radio capable of tuning into the VHF band. Here you will find transmitters capable of anywhere between 30-300 hours of continuous audio surveillance. VHF Transmitters are the optimal choice for monitoring subjects which are outdoors. 

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