
"Manufacturers of Motion Detecting, Light Detecting, and Signaling Transmitters"
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Schell Electronics supplies law enforcement with RF Transmitters for counter drug activities including: Motion Detecting and Light Detecting Signaling Transmitters for electronic surveillance, Package Beacons that provide loss prevention of drug evidence, Trip wire activated Tracking Transmitters for drug parcels, Motion Detecting Transmitters for vehicle tracking, and Light Detecting Signaling Transmitters that insure legal proof of a controlled delivery.
Covert 3 and Covert 4 Transmitters operate in 140-170 MHz. Covert 5 Transmitters operate in 800 MHz.
Covert 4 |
Covert 3MD |
When a high degree of concealment is required, monitor with the Covert 4 Signaling Transmitter.
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When the situation is on the line, you can depend on the Covert 3MD Motion Detector Tracking Transmitter to perform!!

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| When concealment and long range transmission is the requirement, depend on the Covert 4 Signaling Transmitter to reach out there. The Covert 4 Signaling Transmitter is about the size of a credit card and the reliability has been field proven. Depending on antenna gain and receiver sensitivity, transmission range will be approximately one mile. The batteries are self-contained (an optional external battery pack is available when increased RF power output or a longer battery life is required). |
THE Covert 3MD Tracking Transmitter is ideal for tracking moving objects with a direction finder. It can be utilized on cars, planes, boats, and other vehicles. The versatile transmitter can also be used on barrels (toxic waste), freight, trailers, equipment, and many other applications. The unit is virtually undetectable, since it emits no RF until motion is detected. This feature extends battery life and enables the transmitter to go undetected by individuals checking for RF radiation. When motion is detected, the transmitter will emit a pulsed tone for two minutes or will continue to pulse as long as motion is detected. |
Schell Electronics
120 North Lincoln
Chanute, KS 66720
(620) 431-2350
Fax: (620) 431-2365
jeschell@cableone.net
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