1) No harm to mobile phones: this jammer only prevents mobile phones from transmitting or receiving signals only when they are in the jamming range.
2) Can function stably and continuously under various environments.
3) Green and environmentally friendly device, no harm to human and objects.
4) Rapid adapting: based on sensitivity status of each mobile phone, normally within over ten seconds after being turned on, the signals for all types of mobile phones will be disabled in the working range. And a couple of seconds after it being turned off, all the mobile phones will be back to normal again.
3G, UMTS: 2110-2170MHz
4G Low: 790-880MHz
4G High: 2620-2690MHz
WiFi 11.b & g: 2300-2500MHz
GPS L1: 1575.42MHz ± 10MHz
Working Radius: 10-30M, Note: The range varies depending on operator’s distance from BTS cell jammer.
Output Power: 18W
Power supply: 220V power supply or 12V car cigarette lighter socket
Lucas C Reynolds –
It works effectively and blocks the cell phone signals powerfully. Now I am happy everything is under control thanks to this jammer.
Amelie K Pearce –
So far so good. The product is working, the seller is patient and considerate.
Charlotte E Clements –
I love it! It functions well to my satisfaction!!
Billy C Pritchard –
Greaaaaat product! Fast shipping and good customer service. All in all, the jamming result is pretty persuasive. Thanks!
Megan T Pugh –
It’s so powerful and blocks everything that I need to block, cellular frequencies, gps, wifi and lojack. In addition, the shipping speed is pretty satisfactory!