Ranger 3 Rf Receiver / Detector

stored in memory can be reviewed at any time and recalled on each successive room sweep. The Ranger 3 displays accurate distances to detected transmitters. An ultrasonic tone can be switched on and will not alert the eavesdropper. The sonic labelling technique, pioneered by Ranger, is a powerful method for detecting the microphones of room transmitters, ideal for use when monitoring sensitive sites.

This is a system for the serious security professional. It offers an approachable, menu-driven toolkit and a range of probes. .