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MJ-RF380 · Portable RF jammer
Portable RF Jammer 24W for 315, 433 and 868 MHz
A professional radio frequency jammer with three omnidirectional antennas, a built-in battery and a manufacturer-stated range of up to 120 meters.
- 3 RF bands: 315, 433/434 and 868 MHz
- 24 W total power (3 × 8 W)
- Stated range of up to 120 meters
- Built-in rechargeable battery
- Stated battery life of about 100 minutes
For law enforcement only, on request.
Check the regulations applicable in your territory before requesting information.
Overview
Three RF bands, 24 W and a built-in battery
Three RF bands
315, 433/434 and 868 MHz.
24 W total power
Three channels rated at 8 W each.
Rechargeable battery
Stated operating time of about 100 minutes.
The product
Description
Three-band portable RF jammer with a stated range up to 120 meters
The MJ-RF380 is a portable RF jammer for professional use. It is designed to interfere with radio signals at 315 MHz, 433/434 MHz and 868 MHz. These frequencies are used by some remote controls and wireless devices.
The unit has three channels, each with 8 W of power, for a total of 24 W. The manufacturer states a range of 20 to 120 meters. The actual range depends on the environment.
Three antennas and a compact metal case
It has three omnidirectional antennas, each rated at 2.5 dBi, with one antenna for each band. The aluminum alloy case is strong, and three built-in fans help remove heat.
Battery and display
The 25.9 V, 2,000 mAh lithium battery provides about 100 minutes of use, as stated by the manufacturer. The built-in display shows voltage, current and power.
Technical specifications
| Feature | Value |
|---|---|
| Type | Portable RF jammer |
| Channel 1 | 433/434 MHz – 8 W |
| Channel 2 | 315 MHz – 8 W |
| Channel 3 | 868 MHz – 8 W |
| Total power | 24 W |
| Stated range | 20–120 m, depending on conditions |
| Feature | Value |
|---|---|
| Antennas | 3 omnidirectional, 2.5 dBi each |
| Battery | Lithium, 25.9 V – 2,000 mAh |
| Operating time | About 100 minutes |
| Power adapter | AC 100–240 V / DC 29.4 V – 2 A |
| Dimensions | 195 × 102 × 48 mm, without antennas |
| Weight (device and supplied items) | 1.02 kg |
| Cooling | Built-in heat sink and 3 fans |
Professional applications
Approved professional work
The MJ-RF380 is meant for official work, technical tests and other approved professional uses. All use must follow current laws.
Legal note
The use of signal jammers is restricted and requires the permissions set by law.
Frequently asked questions
Which frequencies can it interfere with?
The MJ-RF380 is designed to interfere with signals at 315, 433/434 and 868 MHz. Some remote controls and wireless devices use these frequencies.
What is its stated operating range?
The manufacturer states a range of 20 to 120 meters. The actual distance depends on the environment.
How long does the battery last?
The lithium battery has a stated operating time of about 100 minutes. The display can show the battery level.
Do I need permission to use it?
Yes. Signal jammers are subject to legal restrictions and require the permissions set by law.
Free customer service
Before you buy
Help with choosing the product and checking your professional needs.
Training
Guidance on using the device and understanding its features.
Technical support
After-sales help and support with problems.
Other options
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Contact our team
Ask about the portable RF jammer
Tell us about your technical needs and authorized use to get product details and a quote.
Or call: +39 080 302 6530