Motorola NNTN8434 Completely Discreet Wireless Surveillance Kit
Model Number:  NNTN8434
This kit is ideal for the most covert security operations, where moving freely without drawing attention is a must. With the tiny receiver totally hidden in the ear and the communications loop under a shirt or jacket, you can listen to your radio in complete privacy - no one can see any equipment.
Hide the microphone under a lapel or similar to communicate. This wireless solution now gives you the flexibility to conceal the radio off your body in a backpack, purse, briefcase or even another security officer.
IP rating: IP54
Operating temperature: -30 to +60 C