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2G 3G 4G LTE Bluetooth WiFi Signal Jammer 300 W High Power For Prison

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2G 3G 4G LTE Bluetooth WiFi Signal Jammer 300 W High Power For Prison

China 2G 3G 4G LTE Bluetooth WiFi Signal Jammer 300 W  High Power For Prison supplier

Large Image :  2G 3G 4G LTE Bluetooth WiFi Signal Jammer 300 W High Power For Prison

Product Details:

Place of Origin: China
Brand Name: GREETWIN
Certification: SGS, ISO9001
Model Number: GW-J260D

Payment & Shipping Terms:

Minimum Order Quantity: 1pcs
Price: Negotiable
Packaging Details: Wooden Case with PE Foam
Delivery Time: 10 Working Days After Received Payment
Payment Terms: T/T, L/C, Western Union, MoneyGram
Supply Ability: 500pcs per Month
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Detailed Product Description
Product Name:: 2G 3G 4G LTE Bluetooth WiFi Signal Jammer Application:: School , Examination
Working Time:: Continual Operating Temp:: -20℃ To +55℃
Accessories: With 15dBi Directional Panel Antenna Jamming Range: 50 - 300meters,depend On Mobile Signal Strength
Output Power: 300W High Power Using: Avoid Students Cheating

2G 3G 4G LTE Bluetooth WiFi Signal Jammer 300 W High Power For Prison



Do you have the need only to cut off the signals of the WiFi 2.4G Bluetooth and want the device owning powerful jamming range? Then this 300W Powerful 300 Meters WiFi 2.4G Bluetooth Signal Jammer you are viewing here owns the function.

Firstly this WiFi Bluetooth jammer has been designed with 300W high power output so that according to the signal strength in the detailed place the jamming range can reach up to 300 meters at most to cut off the WiFi 2.4G Bluetooth signals from all directions since this WiFi 2.4G Bluetooth signal jammer has applied the Omni-directional antennas. Besides as having used the high quality cooling system that with cooling fan inside this WiFi Bluetooth signal jammer can always stay in the good working condition and easily reach the nonstop working goal, so that for places such as the school,prison, guard, invigilate meeting room, library, theater, class room, this WiFi 2.4G Bluetooth signal jammer can be widely used.

GW-J260D will jam GSM, CDMA,DCS, PCS,WCDMA,3G, UMTS, Bluetooth WiFi.



1. Max 300watts total RF output power.

2. Stable capability, cost-effective choice

3. Different frequency band can be controlled independently by single switches;

4. Power Amplifiers protection design ensures the working reliability of the device.

5. Can customize these frequencies AM, FM Radio, LoJack 173MHz, VHF, UHF, Walkie-talkie, interphone, Wireless Toys , FM Radio, Remote Control, 27MHz, 49MHz, 433MHz,315MHz, 868MHz, 450MHz, iDEN, CDMA, GSM, GPRS, DCS, PCS, AWS, WCDMA,UMTS,3G,4G,LTE 700, LTE 800, LTE 2300, LTE 2600, GPS L1,GPSL2, Galileo, Compass, Glonass, WIFI, Bluetooth, Spy camera, WIMAX, UAV, Drone, etc.


School, Prisons, military, government, mosques, etc.


Technical Specification:

Output interface Description Shield band of frequency RF output power
CH1 CDMA800 851-894 MHz 50dBm
CH2 WCDMA 3G 2110-2170 MHz 50dBm
CH3 GSM900 925-960 MHz 50dBm


/PCS 1900

1805-1880 MHz

/1930-1990 MHz

CH5 WIFI 2400-2500MHz 50dBm


LTE 2600


  GPS L1, or LTE2300(Optional)

 2300-2400MHz, or

1570-1580 MHz
  LTE800 or LTE700,(Optional)

790-821 MHz or


Power supply: AC220V, DC 28V
Total Output Power: 300Watt
Power consumption:1000Watt

Weight: 25Kg

Size(length × wind × high):510×430×350mm

Humidity: 30%-95%

Running Temperature: -20℃ to +55℃

Jammer Module Number   6
Cooling System Systematic Smart Cooling System
System Protection

VSWR  Protection

Jamming Source Frequency Scan Technology
Antenna Type High Gain Directional Panel Antennas
 Jumper  1/2 superflexible coaxial cable
Jamming range: 50-300m according to signal density of mobile network



2G 3G 4G LTE Bluetooth WiFi Signal Jammer 300 W  High Power For Prison

Contact Details
Shenzhen Greetwin Technology Co.,Limited

Contact Person: Greetwin

Tel: +8615112267605

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