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 | 12 Band Signal Blocker |
| Application | Gallery, Factory |
| Working Time | 24 Hours |
| Operating Temp | -10℃ to +55℃ |
| Jamming range | 5 - 50meters depend on mobile signal strength |
| Antenna | 12PCS Omni-directional Antenna |
| Output Power | 30W |
| Size | 330*238*60mm |
| Brand Name | GREETWIN |
| Model Number | GW-JA12 |
| Certification | SGS, ISO9001 |
| Place of Origin | 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 | 12 Band Signal Blocker | Application | Gallery, Factory |
| Working Time | 24 Hours | Operating Temp | -10℃ to +55℃ |
| Jamming range | 5 - 50meters depend on mobile signal strength | Antenna | 12PCS Omni-directional Antenna |
| Output Power | 30W | Size | 330*238*60mm |
| Brand Name | GREETWIN | Model Number | GW-JA12 |
| Certification | SGS, ISO9001 | Place of Origin | China |
| High Light | mobile phone signal blocker ，mobile phone scrambler | ||
30 Watt 2G 3G Mobile Phone Signal Jammer / WIFI Phone Signal Scrambler
Phone Signal Jammer Decsription:
For places that own large area and want to apply the signals of the cell phones and Bluetooth, the high power jammer can block both the mobile phone signals and the Bluetooth is the best choice.
This 30W High Power 2G 3G Cellphone WiFi Bluetooth Signal Blocker is designed for this purpose and is useful.
For places like the church, library, meeting room and important places as prison, military, government departments where needs quiet situation or mobile phones Bluetooth are not allowed to be used this cellphone Bluetooth signal blocker can be applied.
This product is in stock now, we guarantee shipping within 24 hours and offer 1 year warranty for all our products. Brought to you by the leader in security devices and best Signal Jammers.
Signal Jammer Affect frequency:
CDMA/GSM:851-960MHz 3W
DCS/PCS:1805-1990MHz 3W
3G:2110-2170MHz 2W
4G LTE:725-770MHz 3W
4G LTE:790-821MHZ 3W
4G Wimax:2345-2400MHz 2W
4G Wimax2620-2690MHz 2W
WiFi:2400-2500MHz 2W
VHF:135-174MHz 3W
UHF:400-470MHz 3W
GPSL1:1570-1580MHz 1.5W
Lojack:167-175MHz 2W
Phone Signal Jammer Specification.
Recommend this military quality Jammer. It is easy to use, superior design.
GW-JA12 is an updated version of GW-JA8, have more options for jamming frequencies,
GW-JA12 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 | 1570-1580MHz | 32dBm | 2W |
| WIFI | 2400-2500MHz | 32dBm | 2W |
| 4G LTE 800 | 791-821MHz | 35dBm | 3W |
| 4G LTE700(Optional) | 725-770MHz | 35dBm | 3W |
| 4G LTE2600 | 2620-2690MHz | 33dBm | 2W |
| 4G LTE 2300(Optional) | 2300-2400MHz | 33dBm | 2W |
| VHF | 135-174MHz | 33dBm | 2W |
| UHF | 400-470MHz | 33dBm | 2W |
| LOJACK | 170MHz - 175MHz | 33dBm | 2W |
| RF | 433MHz | 33dBm | 2W |
| RF(Optional) | 315MHz | 33dBm | 2W |
| Total Output Power | 25-30 Watt | ||
| Power Supply | AC110-240V,DC 12V | ||
| Power consumption | 90 Watt | ||
| Weight | 6.0kg | ||
| Size | 330*238*60mm | ||
| Running temperature | -10℃ to +55℃ | ||
| Humidity | 5% - 95% | ||
| Complete accessories | Twelve omni-directional antennas, Power cable, Fixed Mount | ||
| Jamming range(Radius) | 5 - 50meters , depend on local signal strength | ||
Signal Jammer Features:
1. Cooling fans design make the device work in a good cooling environment.
working 24 hours continuously.
2. With the current of car and car adaptor design make the jammer
can be used on the vehicle directly.
3. Stable capability, cost-effective choice
4. Output power 25-30w , make more efficient jamming.
jamming range up to 50m.
5. Heat sink case makes the jammer work in a more stable and cool situation.
6. Twelve channels with different frequency range,
or customize other cellular standard in the world.
Such as 450MHz,GPRS,iDEN,GPS,UMTS,WiFi,AWS,4G.
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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