Shenzhen Greetwin Technology Co.,Limited
| Payment Terms | T/T, L/C |
| Supply Ability | 30000pcs per Month |
| Delivery Time | 3 Working Days After Received Payment |
| Packaging Details | Carton with PE Foam |
| Product Name: | Pocket GSM 3G Jammer |
| Switch | ON/OFF |
| Operating Temp: | -10℃ to +55℃ |
| Jamming range | 1- 5meters,depend on mobile signal strength |
| Advantage | Small Size |
| Weight | 500g |
| Brand Name | GREETWIN |
| Model Number | GW-JM3 |
| Certification | SGS, ISO9001 |
| Place of Origin | China |
View Detail Information
Explore similar products
UHF VHF Phone Blocker Device Mobile Phone Signal Isolator Full Bands
SMA Female Connectors 8 Antennas Cell Phone Signal Blocker Jammer with
2G 3G 4G Full Bands Cellphone GPS Frequency Jammer Selectable Buttons
WiFi Lojack 20m 2.5dBi VHF UHF Phone Signal Blocker 6 Channels
Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 30000pcs per Month |
| Delivery Time | 3 Working Days After Received Payment | Packaging Details | Carton with PE Foam |
| Product Name: | Pocket GSM 3G Jammer | Switch | ON/OFF |
| Operating Temp: | -10℃ to +55℃ | Jamming range | 1- 5meters,depend on mobile signal strength |
| Advantage | Small Size | Weight | 500g |
| Brand Name | GREETWIN | Model Number | GW-JM3 |
| Certification | SGS, ISO9001 | Place of Origin | China |
| High Light | cell phone reception blocker ，phone blocker device | ||
Pocket Type CDMA GSM 3G Cell Phone Signal Blocker Device Three Antennas
It is a pocket GSM jammer that may be used against GSM, CDMA and other mobile phone networks along with 3G signals. While it has not high output power and only 5 meters of working radius, it is smaller than your smartphone and thus can be hidden anywhere starting from different bags and purses and ending with your pocket.
Phone Signal Blocker GW-JM3 is one of our oldest models, however it's still one of our top-sellers, because of quite low price and great specifications, a lot of people still want to choose this model.
Phone Signal Blocker GW-JM3 Features:
European Frequencies: 3G, GSM900 and GSM1800
American Frequencies: 3G, GSM850 and GSM1900
Jamming Power: 900mw
Signal Coverage: 1-5 meters
Power Supplier: Power adapter and battery
Phone Signal Blocker GW-JM3 Specs:
The external omni-directional antenna provides a 360 degree jamming range.
Type A:
CDMA / GSM ,851-960MHz ,300mw
DCS / PCS ,1805-1990MHz ,300mw
3G, 2110-2170MHz, 300mw
Type B:
CDMA / GSM, 851-960MHz ,300mw
DCS / PCS, 1805-1990MHz ,300mw
WIFI ,2400-2500MHz ,300mw
Type C:
CDMA / GSM, 851-960MHz ,300mw
DCS / PCS, 1805-1990MHz ,300mw
GPSL1 , 1570-1580MHz ,300mw
| Type | Output port | Frequency | Average output power |
| Pocket Jammer | CDMA / GSM | 851-960MHz | 300mw |
| DCS / PCS | 1805-1990MHz | 300mw | |
| 3G | 2110-2170MHz | 300mw | |
| WIFI(optional) | 2400-2500MHz | 300mw | |
| Power supply: 50 to 60Hz, AC 100 to 240V | |||
| With AC adapter (DC12V), Built-in Battery500mA | |||
| Total Output power: 0.9Watt | |||
| 1-5M @ depending on the Signal strength | |||
| Weight: 500g Dimension: 9.5cm*1.9cm*4.5cm | |||
| 3pcs External Omni-directional Antennas | |||
| Running temperature: -10'C to +55'C | |||
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...
Get in touch with us
Leave a Message, we will call you back quickly!