Shenzhen Greetwin Technology Co.,Limited
| Payment Terms | T/T, L/C |
| Supply Ability | 20000PCS per Month |
| Delivery Time | 3 Working Days After Received Payment |
| Packaging Details | Box With PE Foam |
| Product name | 2G 3G Portable Cell Signal Jammer |
| Advantage | Easy To Carry Because Palm Size |
| Antennas | 3PCS Omni Antennas |
| Range | 1-5Meters Depending On Mobile Signal Strength |
| Warranty | One year |
| Weight | 0.5Kg |
| Brand Name | GREETWIN |
| Model Number | GW-JM3 |
| Certification | SGS, ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 20000PCS per Month |
| Delivery Time | 3 Working Days After Received Payment | Packaging Details | Box With PE Foam |
| Product name | 2G 3G Portable Cell Signal Jammer | Advantage | Easy To Carry Because Palm Size |
| Antennas | 3PCS Omni Antennas | Range | 1-5Meters Depending On Mobile Signal Strength |
| Warranty | One year | Weight | 0.5Kg |
| Brand Name | GREETWIN | Model Number | GW-JM3 |
| Certification | SGS, ISO9001 | Place of Origin | China |
| High Light | mobile phone scrambler ，mobile phone blocker jammer | ||
3 Antennas Handheld Cell Phone Jammer / Mini Small Power Phone Signal Jammer
This product can be used in any place where mobile phones and GPS are prohibited to be used!
Cover interface standards: Cell phone signal (CDMA, GSM, DCS, 3G), or GSM, DCS, GPS (1570-1580MHz)Total output power: 1W, Phone Signal Blocker (GW-JM3) is one of our oldest models, it is smaller than your smartphone and thus can be hidden anywhere starting from different bags and purses and ending with your pocket.
As a classic model,this palm-sized blocker has compact performance of the compact body, so that it received a wide range of customers highly recognized.
Three-way antenna can block 3-channel frequencies that can shield 2G and 3G networks, for example,GSM900, CDMA800.
European Frequencies: 3G, GSM900 and GSM1800
American Frequencies: 3G, GSM850 and GSM1900
Phone Signal Jammer Specs:
The external omni-directional antenna provides a 360 degree jamming range.
Type A:
CDMA / GSM, 851-960MHz ,300mw
DCS / PCS, 1805-1990MHz ,300mw
WIFI ,2400-2500MHz ,300mw
Type B:
CDMA / GSM ,851-960MHz ,300mw
DCS / PCS ,1805-1990MHz ,300mw
3G, 2110-2170MHz, 300mw
Type C:
CDMA / GSM, 851-960MHz ,300mw
DCS / PCS, 1805-1990MHz ,300mw
GPSL1 , 1570-1580MHz ,300mw
Phone Signal Jammer Features:
(1) Built-in Battery
(2) Good cooling fans guarantee effective heat dissipation
(3) Long battery life (>1.5hours)
(4) Compact Size and easy carry
(5) Jamming three RF frequencies with three antennas.
(6) Can be charged by DC 12-24V and AC 100 -240V.
(7) Recharging Time of Battery is just 3 hours with 12V/2A adapter;
Phone Signal JammerApplications:
Border control units, checkpoint personnel, Meeting rooms, Hospitals,
Banks, Churches, Conference Rooms, etc
Phone Signal Jammer Specifications:
| 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 Battery 500mA | |||
| 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...
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