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Shenzhen Keenpower Electronic Limited

Signal Blocker, Signal Jamer, GPS Jammer manufacturer / supplier in China, offering High Power Portable Mobile Phone and Wi-Fi and GPS Signal Blocker, Lintratek® GSM 900MHz Cell Phone Signal Boosters for Big Area Two Indoor Antennas Full Kits Mobile Phone Booster, GSM 900MHz Cell Phone Signal Boosters for Big Area Two Indoor Antennas Full Kits Mobile Phone Booster and so on.

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Supplier Homepage Product signal jammer GPS Jammer High Power Portable Mobile Phone and Wi-Fi and GPS Signal Blocker

High Power Portable Mobile Phone and Wi-Fi and GPS Signal Blocker

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 4500 PCS/Month
Transport Package: Giftbox
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram, skrill

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Basic Info
  • Model NO.: SJ121
  • Usage: Auto, Smoke, Window
  • Channel: 4CH
  • Transmission Rate: ≥20Kbps
  • Specification: CE
  • HS Code: 8403101000
  • Type: Wireless
  • Certification: E-MARK, CE, ISO, FCC
  • Receive Frequency: 315MHz
  • Trademark: Signal Blocker
  • Origin: China
Product Description
High Power Portable Mobile Phone And Wi-Fi And GPS Signal Blocker Coverage 5~15 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 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.
 
* Type:
 
GPS:1570-15800Mhz 5-20Mat depending on the mobile service provider's network condition
 
CDMA/GSM:850-960 MHz
 
DCS/PCS:1805-1990 MHz
 
WIFI:2400-2500MHz
 
Power supply: AC110-240V 12V Built-in Battery:200mA/h
 
Total output Power: 2 watt
 
* System:
 
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.
 
 
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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Ms. Fiona Wu
Overseas Sales Manager
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