Cell phone blockers for schools - compromised cell-phone jammers for cars

Ultra Small Size Mobile Signal Blocker Device
Product Informations This is a mini hidden type multi - purpose jamming device. First of all, the design of this device is very portable. The size of 20mm*20mm*26mm can be easily put into pocket or backpack. Second, the device has a very strong concealment. The device looks like a portable power source, can ensure that you are not easily perceived by others during your use. Third, although the device is very small, but it can also interfere with multiple signals. Whether you need to block cell phone signals or WIFI signals or GPS signasl, this device can meet your requirements. Product Features: 1.Small size, easy to carry, easy to operate 2.The whole production process strictly follow the ISO900 quality system, and through the CE certification, stable and reliable Precautions: 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. Technical Specifications Parameter Name Parameter Details Model E0-031 Jamming frequencies GSM/CDMA: 850-960MHz 3G: 2110-2170MHz WiFi: 2400-2485MHz GPS: 1570-1610MHz Jamming radius Up to 10 meters Power supply Power plug, car adapter or built-in battery Built-in battery 1200mAh Battery Life 2 Hours Total output power 0.5W Voltage AC110~240V Operating temperature -10℃ to +50℃ Operating humidity 5% to 80% Device size 95mm*48mm*17mm Device weight 290 g

cell phone blockers for schools

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