i see that you can get 4g picture frame

Jammers are like invisible walls. For the installation and use of wifi jammer, the minimum quantity and quality assurance principles must be followed. Install WiFi interference devices on campus, and students should try not to use mobile phones at night. However, when using your mobile phone at home, you should also pay attention to its moderation and not to be overly addicted. I have a problem related to the shielding of mobile phone signals. Blocking mobile phone signals can make students feel comfortable in studying and resting.On the Internet, it is almost easy to buy various jammers, such as GPS anti-tracking equipment and so on.

Now, most junior high school students have mobile phones, which is a useful tool. However, it may disturb others. Students use mobile phones to separate occasions and maintain manners, but this is not easy.These WiFi interference devices can run for a long time and uninterruptedly,with high-quality component devices, metal, and good heat dissipation effect, the jammer can work for 7 24 hours for a long time without harming the performance of the device.wifi jammer can effectively solve this problem. When installing to ensure the shielding effect, a 4G Picture Frame with a wide range of applications, ideal for offices and shops. Use in theaters, hospitals, military areas and places where the use of mobile phones is prohibited.

To prevent antenna errors, if the antenna is not connected to turn on the power switch, the machine may be damaged. Check the mains switch connected to the power supply, to ensure that the power switch in the off position, and an output carrying the portable device shockproof plug of the power transformer into the main power socket left, and then the switching power supply. The compressor input plug is connected to a 220 VAC power source. High-power mobile phone jammers / vehicle GPS positioning jammers / WIFI shielded Bluetooth deterrence and other devices can also be used in family cars.