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We’ve built these with modular amplifier stages—each band gets its own 20W PA—so if a module fails in the field you swap it in under 10 minutes without pulling the whole unit, and the advanced cooling system uses a 120mm fan ducted over a finned aluminun heatsink to keep junction temps below 85°C even after hours of continuous blocking at full tilt.
One thing most buyers don’t consider is output impedance mismatch at the antenna port when you’re running a 10kg box on a moving vehicle—we see about 15-20% reflected power if you don’t use a proper N-type connector with a 50-ohm load, so we include a ferrite choke kit and recommend a ground plane of at least 0.5m² for the omni antenna.
700MHz to 6000MHz coverage means it hits the tricky LTE bands like band 12 and band 71 at the low end, but it’s not great for 5G mmWave—basically anything above 6GHz is untouched, so if you’re blocking in dense urban environments where small cells run 28GHz, this won’t touch that spectrum at all.
Typical interference radius is roughly 50-150 meters in open field conditions but drops to about 20-40 meters inside a reinforced concrete building—that’s standerd for any 160W jammer at these frequencies, and the 20W per band is more than enough to swamp a standard cell tower’s -50dBm signal at 30 meters line-of-sight.
We usually have stock of teh VJ8 with a 3-week lead time for custom frequency splits if you need a different band plan than the standard GSM 900/1800, 3G 2100, 4G LTE, and WiFi 2.4GHz—just confirm your exact band list and we’ll retune the SAW filters at the factory for an extra $150 or so.
Total output is 160W, split evenly—20W per band across eight bands including GSM, 3G, 4G, WiFi, GPS, and VHF/UHF radio.
Yes, it's certified CE, RoHS, and SGS. We'll include copies in the package and can email them beforehand if needed.
MOQ is 1 unit, so you can order a single unit for testing or deployment.
Standard lead time is 7-15 days for small orders; larger quantities may add a few days. We'll confirm once we know your quantity.
It uses an advanced cooling system designed for the -20°C to +60°C range, so it runs stable even in hot conditions without overheating.
