Take surveillance operations to the next level with surveillance kits that allow you to transmit and receive discreet communications. These kits feature a streamlined design and durable, rugged cables that withstand tough working conditions. A quick-disconnect, durable and comfortable translucent tube enables easy sharing of this kit between shifts.The 3-wire surveillance kits feature one wire for receiving communication, one wire for the microphone, and one wire for the PTT. Motorola's state-of-the-art IMPRES technology allows communication between the radio and the audio accessory. The result is optimal audio performance, enhanced audio gain capability, and increased customization, assuring the highest quality communication.