5.5W Military Sheath Pocket Cell Phone Jammer / Portable Cell Phone Jammer

Brand Name:GREETWIN
Certification:SGS, ISO9001
Model Number:GW-JN8Z
Minimum Order Quantity:1pcs
Delivery Time:3 Working Days After Received Payment
Payment Terms:T/T, L/C
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Location: Shenzhen Guangdong China
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5.5W Military Sheath Pocket Cell Phone Jammer / Portable Cell Phone Jammer


This is a great 2G, 3G, 4G and WIFI BLOCKER, Bluetooth jammer, which is also can block all 2.4G frequencies, easily being hidden in your bag, pocket or purse. It is designed so small and lightweight that you can hide it practically anywhere with no effort. It is also looks much alike with common cell phones. Thus even if someone will notice it, he or she will probably think of it as of mobile device of yours.

It is a professional cell phone blocker that needs to be treated accordingly. It gives you real flexibility when it comes to wireless signal protection. This product has switches for every antenna which can be used to select what kind of frequencies you want to prevent from working at every moment of time.


Portable Signal Jammer GW-JN8Z is the most powerful portable jamming solution currently available on the market.

It feels like a portable in your hands, however it definitely behave like a high power desktop unit. Dimensions are just 87x40x143mm which makes this jammer to look a little bit more massive than iPad mini. The weight is 950g which corresponds to the weight of three and a half iPhone 6. Now just listen what you have inside this jammer and its possibilities. It’s able to jam all GSM frequencies…worldwide! You don’t need to mention your country of residence before placing an order with us, this jammer will disable all cell phone frequencies in absolutely all countries where the cellular network exist. It jams 3G (2100 MHz) /4G frequencies as well.

Note: The jamming distances we mentioned on website are for customer's reference only. The actual jamming distance will be varied depending on the signal strength and the use location and if full charges, etc.


Can customize these frequencies LoJack 173MHz, 433MHz,315MHz, 868MHz, 450MHz, iDEN, CDMA, GSM, GPRS, DCS, PCS, AWS, WCDMA,UMTS,3G,4G,LTE 700, LTE 800, LTE 2300, LTE 2600, GPS L1,GPS L2, Galileo, Compass, Glonass, WIFI, Bluetooth, Spy camera, WIMAX, UAV, Drone, etc.


Portable Signal Jammer Specifications:

Affected Frequency Ranges:
CDMA 850 : 851-894MHZ
GSM 900 : 925-960MHZ
DCS 1800 : 1805-1880MHZ
PCS 1900 : 1930-1990MHZ
3G 2100: 2110-2170MHZ

GPS: 1570-1580MHz
WIFI 2.4G : 2400-2485MHZ
4G LTE 700: 725-770MHZ (US)
4G LTE 1700 : 2110-2155MHZ(US)
4G LTE 800 : 791-821MHZ(EU)

4G LTE 2300 : 2300-2400MHZ
4G LTE 2600 : 2620-2690MHZ(EU)
Total Power : 4W
Power supply: 50 to 60Hz, 100 to 240V AC, with AC adapter (AC100-240V-DC12V)
Shielding Radius : (5-20) meters@-75dBm (depends on the strength signal in given area.)
Net Weight : 1.0KG/PCS
Good cooling system with cooling fan inside
Stable capability
Could be used in car directly,With car charger
It can be applied at meeting rooms, conference rooms, museums, galleries, theatres, concert halls, churches, temples,restaurants, classrooms,training centers, factories, banks, trains, bus and more
For some locations special purpose such as hospitals, gas stations and more, Please do field test firstly to make sure no interference happened to the normal operation of their equipment and instrument
ODM OEM orders are welcome


Portable Signal Jammer Package contents:

1 x High Power Jammer,

1 x AC power supply

1 x DC power supply

8 x Antennas,

1 x Car charger.

1 x Sheath.


Portable Signal Jammer Applications :

Military, gas station,checkpoint personnel, Meeting rooms, Hospitals,

Banks, Churches, Conference Rooms, etc


Portable Signal Jammer Specifications:

TypeOutput portFrequencyAverage output power
8 Band Portable Signal JammerCDMA800851-894MHz500mw
LTE800791-821MHz500mw
GSM900925-960MHz500mw
DCS18001805-1880MHz500mw
WCDMA 3G2110-2170MHz500mw
LTE26002620-2690MHz500mw
Wifi 2.4G2400-2500MHz500mw
GPS1570-1580MHz500mw
LOJACK(optional)173MHz500mw
Power supply: 50 to 60Hz, AC 100 to 240V
With AC adapter (DC12V), Built-in Battery
Total Output power: 5.5Watt
1-20M @ depending on the Signal strength

Weight:1050g
Dimension: 156x 88 x 46mm and not include antennas

8pcs External Omni-directional Antennas

Charge full time about 4Hours, Working time:1-2Hours.

Running temperature: -10'C to +55'C

China 5.5W Military Sheath Pocket Cell Phone Jammer / Portable Cell Phone Jammer supplier

5.5W Military Sheath Pocket Cell Phone Jammer / Portable Cell Phone Jammer

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