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Shenzhen Greetwin Technology Co.,Limited
Shenzhen Greetwin Technology Co.,Limited The Leading supplier of Cell Phone Jammer and Bomb Jammer
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Handheld mobile phone signal blocker 4 Antennas 4G LTE800 LTE2600MHz

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

Handheld mobile phone signal blocker 4 Antennas 4G LTE800 LTE2600MHz

Brand Name : GREETWIN
Model Number : GW-JN8DGN
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 : Portable Digital 8 Frequency Bands Jammer
Antennas : 4PCS Omni Antennas
Special : The Most Advanced White Noise Technology
Coverage Area : 300 - 3000 Suqare Meters Depending On Cell Phone Signal Strength
Power Adapter : Can Be Charged By Car Adapter Directly
Advantage : Each Antennas Can Jam 2 Frequency Band
Weight : 0.95Kg
Warranty : One year
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Handheld mobile phone signal blocker 4 Antennas 4G LTE800 LTE2600MHz

If you want to enjoy the moment, enjoy a quiet time, away from modern civilization, do some things you want to do, then this high-performance mobile phone jammer can help you get rid of from the world of mobile phones

This jammer is the industry's most effective hand-held jammer, the unique design allow it can use four antennas block 8 frequency, which in the industry is also countable, and has been the customer's praise .We will continue to introduce new products to meet customer needs.


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

Banks, Churches, Conference Rooms, etc

Basic Features:

(1) Each frequency band has individual channel on/off with selector switches

(2) Easy carry because compact Size

(3) Recharging Time of Battery is just 3 hours with 12V/2A adapter

(4) Good cooling fans guarantee effective heat dissipation

(5) Jamming Eight RF frequencies with four antennas.

(6).Recharging Time of Battery is just 3 hours with 12V/2A adapter;

(7) Can be charged by DC 12-24V and AC 100 -240V.

(8) The digital signals modulated to VCO, produce RF signals, resemble noise signals in the RF spectrum, and guarantee the interference efficiency between the traditional VCO and digital interference source.

Specification of Antennas with Frequency Range:

Antennal 1 channel: 791~821MHz&925~960MHz

Antennal 2 channel: GPSL2&GPSL1

Antennal 3 channel: 1805~1880MHz&2110~2170MHz

Antennal 4 channel: 2400~2485MHz&2620~2690MHz


TypeOutput portFrequencyOutput power(±1dBm)

8 Band Digital Handheld Jammer

GPS L21227.6±2MHz24dBm
GPS L11575.4±2MHz26dBm





WCDMA 3G2110-2170MHz29.5dBm
WiFi 2.4G2400-2500MHz29.5dBm
Can customize frequencyLTE23002300-2400MHz29.5dBm
Power supply: 50 to 60Hz, AC 100 to 240V
With AC adapter (DC12-24V), Built-in Battery 4300mAh
Total Output power: 6.5Watt
Working time: 1.5 hours
Recharging Time of Battery: 3 hours with 12V/2A adapter
10-30M @ depending on the Signal strength

Weight: 950g
Dimension: 90x38x156mm and not include antennas

Packing Dimension: 70x210x240mm

4pcs External Omni-directional Antennas
Running temperature: -10'C to +55'C

Product Tags:

mobile phone scrambler


mobile phone blocker jammer

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