High Power Portable Mobile Phone and Wi-Fi and GPS Signal Blocker
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|Min. Order:||1 Piece|
|Production Capacity:||4500 PCS/Month|
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- Model NO.: SJ121
- Usage: Auto, Smoke, Window
- Channel: 4CH
- Transmission Rate: ≥20Kbps
- Specification: CE
- HS Code: 8403101000
- Type: Wireless
- Certification: E-MARK, SGS, CE, ISO, FCC
- Receive Frequency: 315MHz
- Trademark: Signal Blocker
- Origin: China
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.
ON/OFF switch make it use more user-friendly.
Optional cover to make the jammer easier to carry.
GPS:1570-15800Mhz 5-20Mat depending on the mobile service provider's network condition
Power supply: AC110-240V 12V Built-in Battery:200mA/h
Total output Power: 2 watt
Nextel, GPS, WIFI ,AMPS, TACS, NMT, GSM, DCS, CDMA, PDC, , PHS, IDEN, ,
Built-in battery time : 90minutes
Temperature: -10ºC to +50ºC
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.
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 .