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Smoke style Mobile Phone Signal Isolator With Coverage 2-5 m

model number:SJ-127


Smoke style Mobile Phone Signal Isolator With Coverage 2-5 m


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 maintains absolute silence.

High sensitivity, scope adjustable, large range of detecting frequency
* Working RF Frequency (With Euro Type or USA type optional): 850~894MHZ; 925~960MHZ; 1805~1990MHZ; 2110~2170MHZ

* Total RF Output Power: 0.6W

* Power Supply: AC Adapter (AC240/110~DC 5V)

* Product Size: 83x53x21mm

* Weight: 65g
* The working time of the battery: about 1hour

* All the RF frequency only block the downlink band

* It is very easy to put this jammer into the cigarette box for high hiding.

* Shielding Radius: 2-5m (determined by the signal strength in given place)
* High efficiency. Adopting super high frequency and mini power interference technology

* Effectively making subsection, just interfering the downlink and no interception to the base station.

* Low power consumption, it can keep constant work for 1 hours, powered by battery.

* Have a good design for circuit. It maintains the stable operation condition with high integration.
English User Manual

No harm to human body or other electronic devices

The jamming distances we mentioned on website are for customer’s reference only. The actual jamming distance will be varied depending on the signal strength and the use location and if full charges, etc.
Please note:

Don’t put the jammer in high voltage and high magnetism locations.

Do not use the jammer when it is charging, or it will burn the jammer as it has no built-in fan. If because of this factor due to the broken of the jammer, the customer will lose the authority of free repairation .

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