Anti jammer device - anti mobile jammer harmonica
Mobile phone Signal Detector For Gps Tracker GSM Bugs With Sensitivity Adjustment
High sensitivity GPS Tracker and GSM Bug Detector
This device is specially made for detecting GPS tracker, GSM bug and GSM phone, no miss alarm by people using 2-way radio,cordless phone or wireless camera around.
This device has 3 LEDs indicating the detected signal strength. When detect GSM signal, the LED will light from Level 1 to Level 2 to Level 3, and the beeping sound will change from Slow to Rapid indicating the strength of detected signal.
This device also has VIBRATE mode for covert detection. Or connect the earphone for silent detection without other’s aware.
Interference(background noise) elimination
Low battery warning
Power: AAA/UM-4 battery x 2,3V DC;
Detecting frequencies: GSM phone signal;
Dimension: L 87 x W 55 x H 24mm;
Warning mode 1: Audible alarm and 3 LEDs;
Warning mode 2: Vibration and 3 LEDs;
Warning mode 3: Silent, 3 LEDs and earphone hearing;
Detecting Distance: up to 7 meters radius, depending on the type and model of GSM phone;
Detecting Distance:The signal of cellular phone sending and receiving text message is shorter, so the detecting distance of sending and receiving text message might be shorter than normal phone call. The detecting distance will be varied depending on the type and model of signal sources;