All kinds of examination room, gas stations, churches, courts, libraries, conference centers, theaters, hospitals, military power and other places prohibit the use of mobile phones.
1.All frequency mobile phone signal jammer, it is the first choice for school / examination room / prison / office and other places.
2.Using efficient cooling technology, built-in 6 cooling fans, the device can work long hours.
1.The jammers are 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.
2.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.
3.It is forbidden to use while charging.
4.Do not use handheld jammers as desktop jammers.
5.Do not use jammers before connecting the antenna.
VHF: 135-174MHz or 315MHz / 433MHZ
UHF: 400-470MHz or 420-480MHz or 450-470MHz