... 1800-2500MHz 2.Detecting the wireless wiretap in car, office, conference, room, dressing room, Mini Signal Bug Detector RF TG- ... audio.The detecting range: up to 40m2. Application. Detecting the wireless wiretap in car, office, conference, room, dressing room, bathroom ... ), leaking or not.3. Function Detecting the wireless signal sent by wireless detectaphone or tracker in objective place, and checking ...