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Shenzhen Greetwin Technology Co.,Limited The Leading supplier of Cell Phone Jammer and Bomb Jammer
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3 Antennas Handheld Cell Phone Jammer / Mini Small Power Phone Signal Jammer

Shenzhen Greetwin Technology Co.,Limited
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Shenzhen Greetwin Technology Co.,Limited
City: Shenzhen
Province/State: Guangdong
Country/Region: China
Tel: 86-151-12267605
Contact Person:
Mr Albert

3 Antennas Handheld Cell Phone Jammer / Mini Small Power Phone Signal Jammer

Brand Name : GREETWIN
Model Number : GW-JM3
Certification : SGS, ISO9001
Place of Origin : China
Price : Negotiable
Payment Terms : L/C, T/T, PayPal, Western Union, MoneyGram
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
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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


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

Basic 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;


Border control units, checkpoint personnel, Meeting rooms, Hospitals,

Banks, Churches, Conference Rooms, etc


TypeOutput portFrequencyAverage output power
Pocket JammerCDMA / GSM851-960MHz300mw
DCS / PCS1805-1990MHz300mw
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

Product Tags:

mobile phone scrambler


mobile phone blocker jammer

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3 Antennas Handheld Cell Phone Jammer / Mini Small Power Phone Signal Jammer Images

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