Transmitter Modes | Transmitter Accessories

You have a lot riding on your Covert signaling equipment. It either meets the needs of the situation it is designed for or it becomes the weak link in the chain. It is a pass/fail situation. The professinal line of Schell Covert Signaling Transmitters are made exclusively for law enforcement and security professionals. They are being used in real world applications..

Covert 4 Series

Operates in the VHF Band ~ (.1" x 2.1" x 3.4") Powered by 4 lithium coin cells

COVERT 4

COVERT 4A

COVERT 4LD

COVERT 4MDT

COVERT 4MDLD

COVERT 4DC

Signaling Transmitter (credit card size)

FCC Type Accepted Signaling Transmitter

Light Detector/Signaling Transmitter

Motion Detector/Signaling Transmitter

Motion/Light Detector/Signaling Transmitter

Voltage Sensing Transmitter

The Covert 3 Series - The one that goes the distance

The Schell Covert 3 Signaling Transmitter is designed for power! It can be used in situations that allow a larger device to be hidden. The Covert 3 has 16 selectable identities. This (DTMF) transmitter is capable of going the distance in a covert operation. It can be attached to an external battery for extended signal life and distances. Its signals are compatible with any commercially available FM receiver.

Operates in the VHF Band ~ (1" x 2.8" x 3.3") Powered by two 9 volt batteries

COVERT 3

COVERT 3A

COVERT 3MD

COVERT 3MDLD

COVERT 3MDT

Signaling Transmitter

FCC Type Accepted Signaling Transmitter

Motion Detector/Tracking Transmitter

Motion/Light Detector/Signaling Transmitter

Motion Detector/Signaling Transmitter


COVERT 3A/4A Transmitters are Type Accepted by the FCC. State/Local Police are required by the FCC to use Type Accepted units only. Commercial accounts may purchase Type Accepted units if they coordinate activities with their local police.