Hidden Type GSM/CDMA Black Box Jammer Shielding Device Anti-Tracker, Coverage: 1-10 meters(NO 4G)

1)Frequency

-CDMA/GSM: 850-894MHz

-DCS: 1805-1880MHz or DCS/PCS: 1805-1990 MHz

-GPS:1570-1580MHz

Please note this model will not Disturb 3G and 4G,if you want 4G model please click here 

2) Isolate four frequency bands of GSM/CDMA/DCS/PHS/GPS

3) Adopting aluminum alloy wiredrawing casing adopting the most international advanced reoxidation surface treatment, many colors selectable.

4) Radius: up to 5-10 meters

5) Power Supply: AC 220-DC 5V

6) Energy Consumption: o.5w/h

7) Weight: 68g

What is Blackbox?
Black box insurance (also called telematics) is car insurance where a small box is fitted to your car. The black box measures various aspects of how, when and where you drive. This data can be used to calculate a personalised renewal quote, or in services like the Accident Alert and Theft Recovery.

How to test if it work?
You can download an APP called GPS TEST to check if Satellite signal gone.