In order to have a top secrete spy communication with someone else, this system is exactly what you need!
The duplex FM covert communication system is the new generation in professional communication intelligence.
The complete system includes: the spy Micro Earpiece FM Receiver, the UHF FM spy Pen Transmitter and a compact portable transceiver.
As a plus to other systems presented on the internet, this system doesn't need any wires on the body, any neckloop, and no wallet or purse!
More detailes here.
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