Shenzhen Greetwin Technology Co.,Limited
| Payment Terms | T/T, L/C |
| Supply Ability | 5000pcs per Month |
| Delivery Time | 3 Working Days After Received Payment |
| Packaging Details | Carton with PE Foam |
| Product Name: | VHF UHF GPS 4G LTE 3G Desktop Jammer |
| Application | Office,Meeting Room |
| Working Time | 24 x 7 Hours |
| Humidity | 5% - 95% |
| Jamming range | 2 - 30 meters depends on signal level |
| Cooling System | High efficiency aluminum alloy radiator |
| Output Power | 19W |
| Operating Temp | -10℃ To +55℃ |
| Brand Name | GREETWIN |
| Model Number | GW-JS8 |
| Certification | SGS, ISO9001 |
| Place of Origin | Shenzhen,China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 5000pcs per Month |
| Delivery Time | 3 Working Days After Received Payment | Packaging Details | Carton with PE Foam |
| Product Name: | VHF UHF GPS 4G LTE 3G Desktop Jammer | Application | Office,Meeting Room |
| Working Time | 24 x 7 Hours | Humidity | 5% - 95% |
| Jamming range | 2 - 30 meters depends on signal level | Cooling System | High efficiency aluminum alloy radiator |
| Output Power | 19W | Operating Temp | -10℃ To +55℃ |
| Brand Name | GREETWIN | Model Number | GW-JS8 |
| Certification | SGS, ISO9001 | Place of Origin | Shenzhen,China |
| High Light | cell phone signal scrambler ，cell phone blocker jammer | ||
VHF UHF GPS 4G LTE 3G Desktop Cell Phone Signal Jammer with 8 Bands
If you are looking for efficient units to jam all cell phone VHF UHF GPS 4G LTE 3G signal in places exam room, churches, temples, gas station, cars, train or many others, the high power portable signal jammer is definitely qualified for all the purposes using. As a jammer with well-built design and level of reliability, users are given more options what signal to jam and where to use the jammer.
Strong Mobile Phone Signal Jammer is installed inside the offices, houses or any other large buildings to organize wireless safety. When it works, all bands which you selected will not work in its operating radius of 2 - 30 meters. As you can see, this device is flexible in relation to the working range of its signal and this might be handy in organizing your wireless safety more precisely.
Desktop Cell Phone Signal Jammer Features:
1. Cooling fans design make the device work in a good cooling environment.
2. Working 24 hours continuously.
3. With the current of car and car adaptor design,
make the jammer can be used on the vehicle directly.
4. Stable capability, cost-effective choice
5. Output power 19w , make more efficient jamming.
jamming range up to 30m.
6. Heat sink case makes the jammer work in a more stable and cool situation.
7. Eight channels with different frequency range,
or customize other cellular standard in the world.
Such as Walkie Talkie,450MHz,GPRS,iDEN,GPS, Galileo,Compass,Glonass,UMTS,WiFi,AWS,LTE 4G.
8. Transmit noise signal to cut off all communication between cell phone and Base station.
The jammed cell phone will show “No Service” .
will not be able to receive or dial outgoing calls.
Desktop Cell Phone Signal Jammer Specification.
Recommend this military quality Jammer. It is easy to use, superior design.
Only interfere downlink frequency of mobile system, can’t affect normal operation of Base Station.
GW-JS8 is a sophisticated high power desktop cellular phone jammer. It can be used for all the worldwide network frequency system. Even it can be adapted to the vehicle directly by the car’s current design.
| Output port | Frequency | Average output power | Output power |
| CDMA800 | 851-894MHz | 35dBm | 3W |
| GSM900 | 925-960MHz | 35dBm | 3W |
| DCS1800/ PCS1900
| 1805-1880MHz/ 1930-1990MHz | 33dBm | 2W |
| 3G | 2110-2170MHz | 33dBm | 2W |
| GPS | 1500-1600MHz | 32dBm | 2W |
| WIFI | 2400-2500MHz | 32dBm | 2W |
| 4G LTE 800(Optional) | 791-821MHz | 35dBm | 3W |
| 4G LTE700(Optional) | 725-770MHz | 35dBm | 3W |
| 4G LTE2600(Optional) | 2620-2690MHz | 33dBm | 2W |
| 4G LTE 2300(Optional) | 2300-2400MHz | 33dBm | 2W |
| VHF | 136-174MHz | 33dBm | 2W |
| UHF | 400-470MHz | 33dBm | 2W |
| Total Output Power | 19 Watt | ||
| Power Supply | AC110-240V,DC 12V | ||
| Power consumption | 75 Watt | ||
| Weight | 4.0kg | ||
| Size | 370*140*51mm | ||
| Running temperature | -10℃ to +55℃ | ||
| Humidity | 5% - 95% | ||
| Complete accessories | Eight omni-directional antennas, Power cable, Fixed Mount | ||
| Jamming range(Radius) | 2 - 30meters , depend on local signal strength | ||
Desktop Cell Phone Signal Jammer Application:
Meeting Room, Oil and Gas Storage Facilities and fields, Hospitals,
Recording Studios, Banks, Contract Tendering Rooms, Churches, Conference
Rooms, Classrooms, Testing Facilities, Security Services, etc.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller,Other
Year Established:
2005
Total Annual:
5million-10million
Employee Number:
100~200
Ecer Certification：
Active Member
Shenzhen Greetwin Technology Co., Limited is one of the leading suppliers which specializes in designing and manufacturing RF Jamming Equipment and Wireless Coverage Products. Wireless Coverage Products include 2G 3G 4G LTE 5G RF Repeater. The RF Repeater... Shenzhen Greetwin Technology Co., Limited is one of the leading suppliers which specializes in designing and manufacturing RF Jamming Equipment and Wireless Coverage Products. Wireless Coverage Products include 2G 3G 4G LTE 5G RF Repeater. The RF Repeater...
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