What should pay attention to before buying the jammer?
Like many electronics products, there is a lot to be noticed before buying jammers. If you don't pay attention to these, then your jammers will not be able to meet the expected requirements. You may not be able to jam the signal you need
The cell phone jammer is customized according to the frequency bands of different countries, please confirm that the purchase country and the actual use country are consistent. Otherwise it can not be used.Please read the jammer function before purchasing. If the low power jammers(such as handheld jammers) to blocker high power signal device(such as high-power WIFI router, Bluetooth audio equipment, etc.), the effect will be poor or even can not jammer. It is forbidden to use while charging. Do not use handheld jammers as desktop jammers. Do not use jammers before connecting the antenna. Since the desktop jammer has no built-in battery, select the jammer to use as needed.