This device works on all GSM frequencies including wireless cameras. You can easily find if someone in your area is talking on the phone or if your phone is under someone´s manipulation. Flashing must be continuous at least about 1 minute or more, and it is moreless sure, that through your phone are sent data or audio signal.
Specification GSM Pen detector of bugs:
1.Battery: 4.5V, using LR-44 x 3 pcs (included)
2.Detective Output: LED flashes (lamp color LED)
3.Detective Induction Titul: 100MHz ~ 3GHz (frequency under 900MHz is also catched by the device, but the transmitter must be at least 200 mA radiant performance)
4.Working consumption: 30uA
5.Flashing LED current: 1mA
7.Detector dimensions: 146x 10 mm Φ. compact size
8.Package dimensions: 178x38x18mm compact size
!!! A seller is not responsible for misuse of these products for illegal purposes. Before use, it is important to become familiar with the conditions (the right, tech. regulations, notices, etc..) for operation with products in the country!!!