High quality Signal Jammers for sale at the most competitive prices. Free Worldwide Shipping, 1 Year Warranty





Professional High Performance 4G Cellular signal blocker with 8 Bands
Options:
- DJ-087
- Free worldwide shipping, shipped within 3 days ( Configure the jammer ), delivered within 12 days
- 1 year warranty
- SSL encryption, website privacy
Don't know which jammer to buy? Send us an email [ [email protected] ] and tell us your requirements (signal to be blocked, distance to be blocked, portable or Desktop ? budget...), and you will definitely get the best recommendation.
Found a better price elsewhere? We'll match or beat it! (Contact US) At JammerMFG, we guarantee the best value for your money — We are not talking about low-grade consumer jammers that fail in days.
No Hidden Fees – What You See Is What You Pay
Under current U.S. tariff policies, there are no extra charges added to your order for this product—unless specifically noted otherwise for certain Large desktop signal Jammers. The price you see already includes all taxes and fees, so you can shop with confidence.
This DJ-087 Cell jamming device is a professional high-performance 4G Cell phone isolator, at the same time, it is also a WiFi GPS signal blocker. It has 8 high-gain antennas and 7 cooling fans, which bring us strong interference ability and quickly take away excess heat, without worrying about overheating, and easily achieve 24h/7 continuous work. The most powerful is that its jamming distance can be as high as 150M, and it can also defend against drones within a range of 500M.
Highlights:
1. The total output power is 170W, and you can choose 5-7dbi OMNI or high-gain flat panel directional antenna with shielding 50-150m. It still depends on the signal strength in a given area.
2. Each device can interfere with up to 6 bands at the same time, each band is independent and has adjustable power from max to off (0), LED indicators show the power.
3. 100% safe VSWR overprotection (isolator) per module.
4. Good cooling system with radiator on top and 3 big fans + 4 small internals, low noise, non-stop work
Specification:
Wi-Fi 2.4G: 2400 - 2500MHz
Wi-Fi 5.8G: 5725 - 5850MHz
GSM: 925 - 960MHz
Lojack: 167 - 175MHz
3G: 2110 - 2170MHz
4G: (2345-2400MHz / 2620-2690MHz)
GPS L1: 1500 - 1600MHz
GPS L2: 1220 - 1230 MHz
GPS L5: 1170 - 1180 MHz
Output Power: 160W - 180W total, 10 - 25W per band
Congestion radius: 50-150m (500m for GPS signal)
Power supply: AC110-240V to DC27V cooling
System: high-efficiency aluminum alloy radiator + 7X fan
Working hours: non-stop working
Product Dimensions: 550 x 238 x 60 mm (without antenna)
Product weight: about 10kg (for common OMNI antenna)
Warranty: 1 year
Package Contents:
Mobile signal isolator*1
AC charger*1
Antenna*8