3-Wire SPM-3300 Series Heavy Duty 3-Wire Surveillance Kit: Features acoustic tube earphone with TWIST CONNECTOR, remote PTT switch and low-profile lapel microphone. Straight cable.
The SPM-3300 Series is a heavy duty 3-wire surveillance kit. The kit features a clear acoustic tube earphone with TWIST CONNECTOR for easy removal, plus a small, covert microphone which can be clipped to the user's lapel or shirt sleeve, and a separate barrel style PTT which is held in the hand.
- Designed for high level of covert communications.
- Micro lapel mic can transmit under clothing.
- Barrel PTT form fits for easy transmission.
- TWIST CONNECT acoustic tube assembly for hygiene and multiple users
- Reinforced earphone clip provides cable retention and eliminates strain on earphone.