8 Antennas Portable Celluar Jammer Block Mobile Phone WiFi GPS


  • Block cell phone signal(2G to 4G), Wifi, GPS, LOJACK
  • Jam up to 20meters
  • Up to 90 minutes of jamming
  • Car charger included
  • Nylon cover included
  • With DIP switch design, any signal band can be turned off without affecting other functions
  • 2 cooling fans inside
SKU: JM020 Category:

1: JM020-A: Full Bands Mobile Phone 4G/3G/2G +WiFi2.4G+ GPSL1+LOJACK

2: JM020 -B: Full Bands Mobile Phone 4G/3G/2G +WiFi2.4G+ GPSL1+L2L5

3: JM020 -C: Full Bands Mobile Phone 4G/3G/2G +WiFi2.4G/5.8GHz+GPSL1

Introducing the JM020 signal jammer from Jammer Master – your solution to blocking unwanted mobile phone signals, Wi-Fi at 2.4GHz, GPS, and LoJack. The JM020 is a compact and portable jammer, designed with an ABS shell and a durable Nylon cover for easy transport.

This jammer is equipped with 8 powerful bands that can effectively block all types of Android phones, tablets, iPhones, Windows phones, and smart devices that use 2G, 3G, and 4G signals. Additionally, it can jam Wi-Fi signals at 2.4GHz and walkie-talkie UHF400 VHF130MHz CDMA450 frequencies, making it a versatile tool for a variety of applications.

The JM020 is the first small portable jammer model from Jammer Master, and is quickly becoming a popular choice in the market. Its compact design, ease of use, and powerful jamming capabilities make it an ideal tool for anyone who needs to maintain privacy or security in a variety of settings.

Get your JM020 signal jammer today and experience the peace of mind that comes with knowing your private conversations and data are safe from prying eyes.


Output Power:Total 5.6W,0.7W each band

Jam Radius:2-20meters

Power Supply:AC110-240V to DC12V

Cooling System:High efficiency aluminum alloy radiator, Build-in 2 cooling fan

Working Time:Continue working 1.5 Hours

Product Size:163*85*43mm (not include antenna)

Product Weight: appr.1.3kg

Package Contents:Jammer Device x 1, AC Charger x 1, Omni-antenna x8, DC12V car charger x1, Nylon Cover x1