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GM20 - 6 bands Jammer (7W)

  • Availability: In Stock
  • $459.00
Should you require a fully bespoke configuration for this jammer please contact us at [email protected]

Jammer Store Company is a leader of the radio frequencies blocking equipment industry. The quality of all our products is the top priority for us because we are not just dealing those electronic devices but manufacture them. Our devices are meant to satisfy the needs of our customers in the most effective and reliable way and that is why we are constantly improving our products and services. To make sure that you will get effectively working quality product we perform many different tests with our devices.

To get the product you like, you need to make a payment first. The next day after the payment your device will be shipped to you. It takes from 4 to 6 days for your package to reach you, depending on what country you are in. All our shipments are done with DHL – the most reliable delivery operator of the global level. DHL provides not only delivery of your orders in time and undamaged but also has a useful feature of tracking number that you can use to watch the movement of your device via internet. As a rule, we are sending that tracking number to you right after the start of your order shipping.

For you our DHL shipping is always free, no matter it will be local or international delivery. As an additional free service we mark all our shipments with low price tags to avoid any fees at the customs.

For your absolute convenience in our services we also provide a one year warranty on all our products. Such long warranty period is new to the industry and we are proud to be the first company that provides it. If there are any reasons which make you unsatisfied with the product you get – contact us and we will solve the issue, either replacing your device with just the same or making a refund. You can get a refund within 14 days from the moment of your order delivery. Add this to one year warranty and you will see that you can be totally confident in our shipping and returns reliability.

GM20 is a military jammer that is used by soldiers in the modern conflict zones to prevent injuries and deaths caused by explosions of Improvised Explosive Devices (IEDs) detonated from the distance. Yet in urban areas there is also a risk of terrorist attack with those IEDs used as remotely detonated bombs. But this device will guard you against this kind of life threat wherever you are by preventing remotely detonated bombs from exploding nearby.

GM20 may be also useful in many other ways and situations. Inasmuch as this product works with such frequency bands as all kinds of cell phone networks, 3G, WiFi and Bluetooth, it can become reliable protection against a lot of modern wireless threats like tracking, eavesdropping, video surveillance, personal data acquiring and other actions threatening your privacy rights and often performed by law enforcement agencies without a necessary warrant. But this product will easily handle them all while protecting you from IED explosions life threat at the same time.



  • Overall Output Power: 7Watt
  • Built-in Battery Working Time: 3 hours
  • Battery: Ni-Mh 8000mA H
  • Power Adapter: AC 110V-240V or 12V car
  • Product Weight: 1kg
  • Product Size: 175x70x35mm

Frequencies Blocked In America:

  • 850-960MHz: CDMA800, GSM850 and GSM900, IDEN, TDMA, AMPS
  • 1805-1990MHz: GSM1800, GSM1900, CDMA1900, PHS, PCS, NEXTEL
  • 2110-2170MHz: CDMA2000, WCDMA, TD-SCDMA, UMTS, 3G
  • 2400-2500MHz: WiFi and Bluetooth

Frequencies Blocked In Europe:

  • 925-960MHz: GSM900
  • 1805-1880MHz: GSM1800 (DCS)
  • 2110-2170MHz: CDMA2000, WCDMA, T-SCDMA, UMTS, 3G
  • 2400-2500MHZ: WiFi and Bluetooth

GM20 works against such devices completely:

  • Telesoft Technologies HINTON Abis Probe
  • WiFi Hotspot Cufflinks
  • Draganflyer X6
  • Parrot AR.Drone 2.0
  • Samsung DV300F
  • Brookstone Rover Spy Tank
  • Google Wi-Spy
  • Stingray
  • Stingray II
  • GoPro WiFi BacPac and Remote
  • Scan & Target Scan Surveillance
  • Utimaco DRS
  • Amped Wireless High Power Wireless-N 600mW Pro Smart Repeater
  • FreedomPop
  • Spektrum DSM
  • Spektrum DSM2
  • PlayRobot
  • Dropcam HD WiFi monitoring camera
  • EyeRing
  • Sony SmartWatch
  • Bluetooth SIG
  • Packet Forensics
  • Trendnet web cameras
  • Internet Of Things
  • Pebble and Twine
  • Pong Research Case
  • Cambridge Consultants small cell tower
  • Transparency Grenade
  • Lytro camera
  • Eye-Fi
  • Electric Imp

GM20 works against such devices partially:

  • Verint Analytics And Communications Solutions
  • FinFisher FinSpy Mobile
  • HawkEye 5300
  • Motorola PDA MC-75
  • Navizon Indoor Triangulation System
  • Broadcom BCM4752
  • TP-LINK Mini Pocket Router
  • Wolfhound cell phone trackers
  • RF Design u-blox
  • F-BOMB
  • CalAmp LMU-2600
  • Glympse
  • Sprint 3G/4G Plug-in-connect
  • FleetMatics
  • Oregon Scientific ATC Beats WiFi Sports camera
  • GoBandit Live camera
  • Mushroom Networks ThirdEye

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