808JJ White Portable GSM CDMA DCS PHS Cell Phone Signal protector With Coverage 30~40m

Just by using this signal jammer the device signals can be easily blocked within its jamming range. Signal jammers are widely used in different places, such as school, university? examination room, gas station, church, court, library, meeting room, government, theater, military area and so on.

With the help of signal jammers, the cheating problems are solved, which ensures the equity in exams. When they are applied in church, court, library, meeting room, theater, they can prevent device from receiving signals, which ensures absolutly silence.

High sensitivity, scope adjustable, large frequency range.
* CDMA: 869~894MHZ; GSM: 925~960MHZ; DCS: 1805~1880MHZ; PHS: 1900~1990MHZ

* Transmission power: 1W+200Ma

* Isolation scope: 30~40m

* Usage condition:

1) Temperature: -40 to 55 degree

2) Relative humidity: 30% – 95% (RH)

3) Air pressure: 86-106Kpa

* Power input: AC 160V-240V

* Power output: 5V 8A

* Size: 26.6×16.5×4.5cm

* Weight: 687g

* Installation mode: Vertical, Horizontal, Fixed holder, Wall-honing

* Isolation mode: Same frequency, adjacent frequency and mutual adjustment
English User Manual
No harm to human body or other electronic devices

The jamming distances mentioned on website are for customer’s reference only. The actual jamming distance varied from the signal strength and the use location and if full charges, etc.