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WTJ-200 desktop VHF/UHF two-way radio jammer
WTJ-200 · Four-band VHF/UHF desktop jammer

WTJ-200 · VHF/UHF jammer

Desktop Jammer for VHF/UHF Two-Way Radios

Four independently controlled bands for VHF and UHF radio signals. The WTJ-200 combines 20 W total output with dual-fan cooling in a compact desktop unit built for continuous operation.

  • Four bands with separate on/off controls.
  • 20 W total RF output: 5 W per band.
  • Specified operating range of up to 30 meters.
  • Dual-fan cooling for continuous, externally powered operation.

Product code: WTJ-200

Contact Us for Pricing

Tell us where you plan to use the unit and which frequency bands you need.

Free consultation, training and support.
Speak to our team: +39 080 302 6530

For law enforcement only, on request.
Check the regulations applicable in your territory before requesting information.

Product overview

Four Bands. Independent Control.

01 / COVERAGE

Dedicated VHF and UHF Bands

Two VHF bands and two UHF bands cover the frequency ranges listed below. Each band has its own on/off control.

02 / RF OUTPUT

5 W per Band

Four 5 W outputs provide 20 W total RF power. The specified operating range is up to 30 meters.

03 / COOLING

Built for 24-Hour Operation

Two fans with a metal filter provide forced-air cooling. External power supports continuous use.

Product details

Full description

For Two-Way Radios and Radio-Controlled Devices

The WTJ-200 is a desktop jammer designed to interfere with short-range VHF and UHF transmissions within its supported bands. These include compatible walkie-talkies, LPD transceivers, amateur radio equipment, and radio remote controls.

The unit provides four independently controlled bands: 144–160 MHz, 161–174 MHz, 420–450 MHz, and 451–480 MHz. Its specified range is up to 30 meters; actual coverage depends on local conditions.

Compact Hardware for Continuous Use

Four antennas and a dual-fan cooling system support the desktop design. The power specification lists AC 100–240 V at 50/60 Hz and DC 24 V. The unit is designed to run 24 hours a day on external power.

The ready-to-use unit measures 238 × 186 × 53 mm and weighs 1.6 kg. It is intended exclusively for authorized government and law enforcement use.

Technical specifications

Frequency bands and RF output
VHF frequencies144–160 MHz / 161–174 MHz
UHF frequencies420–450 MHz / 451–480 MHz
Total RF output20 W
RF output per band5 W
CoolingTwo fans with a metal filter
Operating rangeUp to 30 meters
Power, dimensions, and operating conditions
Power supplyAC 100–240 V, 50/60 Hz / DC 24 V
Dimensions238 × 186 × 53 mm
Antennas4
Weight1.6 kg
Operating temperature−10°C to +60°C
Humidity5–80%

Usage and restrictions

For Authorized Agencies

For use by authorized government agencies and law enforcement in the course of their official duties.

Sales and use are subject to local restrictions. Confirm the requirements in your jurisdiction before requesting product information.

Expert Support, Included

Before You Buy

Talk with our team about your requirements and available configurations.

After Your Purchase

Get help learning the equipment and answers to your product questions.

Technical support

Work directly with the Endoacustica team for technical assistance.

Contact our team

Request an WTJ-200 Quote

Share your agency’s requirements. We’ll help confirm the configuration and provide pricing.

Or call: +39 080 302 6530