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  • Signal blocker Blackmans Bay - signal blocker qt library

    Product Informations As the most popular handheld jammer, this product has a small size, easy to carry. Can block 8 frequencies, and have a very large jammer range. With a separate frequency control switch, you can select the frequency range that needs to be disturbed as needed. With car charger, can be used in the car. This product has the perfect heat dissipation system, can work long time. The shell is made of high quality metal with good heat dissipation. Generally speaking, the larger the interference range, the stronger the interference performance, the heavier the jammer device, and it is inconvenient to carry. But the device is an exception. This 8-band handheld jamming device not only has a good jammer performance, but also has a large block range. From all aspects of performance, not weaker than the desktop jammer. It is a very cost-effective product This device is suitable for classroom, meeting room, library, movie theater and other places where need to keep quiet. Due to its small size and easy to hide, the device is popular with teachers and administrators. Product Features: 1.Can be used in car directly,With car charger and AC charger 2.Has good heat dissipation performance, can long time stable work. 3.It has a single frequency control switch, you can select a jamming frequency from 8 bands as your need 4.It has very large jammer range and stable jamming performance. 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 EO-08-007 Jamming frequencies CDMA/GSM: 850-960MHz DCS/PCS: 1805-1880MHz 3G: 2110-2170MHz GPS: 1570-1610MHz WiFi: 2400-2485MHz LOJACK: 168-178MHz 4G(LTE): 2620-2690MHz or 2300-2400MHz Jamming radius Up to 40 meters Power supply Power plug, car charger or built-in battery Built-in battery 4000mA/H battery Battery Life 1-2 Hours Total output power 4W Voltage AC100-240V DC12V Operating temperature -10℃ to +50℃ Operating humidity 5% to 80% Device size 130mm*80mm*38mm Device weight 800 g

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