I often hear that it interferes with radio waves. You can easily disable familiar devices. Super cheap, new product signal jammer are free to send and are wholesale in bulk. At the test site, you can block all signals from smartphones and mobile phones. It can also be adjusted to the radio wave cutoff distance.
It is a mobile phone jammer developed to maintain a safe and comfortable space. It's easy to operate, just press one button and you're good to go. Sales and wholesale / retail specialty stores, with 1 year warranty! We will continue to do our best to provide services that satisfy our customers. You can adjust the on / off, radio wave strength, radio wave distance and function for each mobile jamming cutoff band.
This product 4G jammer has an independent power supply and adjustment button for each antenna. In addition, it is also possible to individually set the radio band that you want to block or do not want to block according to the customer's request. I don't want to block the radio signal band of the phone, but I can cut only the radio waves of gps and WiFi.