High Power Handheld 12 Antennas 5G Cellphone Signal Jammer Block Upto 40 Meters


  • Block ALL cell phone signal(2G to 5G), Wifi, GPS, and more
  • Jam up to 40meters
  • Up to 70 minutes of jamming
  • Car charger included
  • Nylon cover included
  • 3 cooling fans inside
  • With DIP switch design, any signal bandscan be turned off without affecting other functions
SKU: JM023 Category:

This powerful handheld signal jammer is designed with 12 antennas and a high output power of 37 watts, making it capable of effectively blocking all types of Android phones, tablets, iPhones, Windows phones, and smart devices that use 2G, 3G, 4G, 5G, and CDMA 450Mhz signals, as well as GPS, Wi-Fi at 2.4G and 5G, walkie-talkie UHF/VHF, LORA, LOJACK, and more.

The JM023 is designed with a durable nylon cover for easy portability, and it can jam signals in a radius of up to 40 meters, making it an ideal tool for a variety of applications. Its battery capacity LCD display shows the percentage of battery capacity and working voltage/current, making it easy to monitor the device’s usage.

This jammer is equipped with advanced jamming capabilities, making it a popular choice in 2022 and beyond. Its high-capacity battery can provide up to 3 hours of continuous use, and it comes with a convenient car charger and 12V DC/AC power supply for extended use. Plus, with its built-in cooling system and temperature control, it can operate for long periods of time without overheating.

Whether you need to maintain privacy or security in a variety of settings, the JM023 is a powerful and versatile tool for you. Its advanced jamming capabilities, combined with its sleek design and easy-to-use interface, make it an ideal solution for a variety of applications.

Get your JM023 signal jammer today and experience the peace of mind that comes with knowing your private conversations and data are safe from unwanted interference.


Output Power:Total 37W,2-4W each band with 2dbi gains omni antennas

Jam Radius:2-40meters Still depends on the strength signal in given area

Power Supply:AC110-240V to DC24V

Cooling System:High efficiency aluminum alloy radiator, Build-in 3x cooling fan

Working Time:Built-in battery: 24V/5200mAh Continue working: Around 70 minutes

Product Size:200x133x66mm (without antenna)

Product Weight: appr.2.5kg

Package Contents:Jammer Device x 1, AC Charger x1, omni antenna x12, Car Charger x1, Nylon cover x1.