Portable jammer to prevent students from playing mobile phones in class
Because students are still playing with their phones, which are loud, and trackers that track cell phone signals. A GPS tracking unit is a device that uses the Global Positioning System to determine the precise location of vehicles, people or other assets to which it is connected and periodically records the location of the assets. For those who want to use 3G jammer in the car, the car charger design of this mobile phone signal jammer is very convenient. People who need and use a jammer outdoors should definitely use a handheld jammer, and you'll learn the ins and outs of a handheld GPS phone that can help you get out of tracking. In 2016 alone, corrective officers removed nearly 9,000 mobile phones, a record. For anti-GPS tracking of vehicles, it is recommended to use hand-held GPS jammers, as these jammers are easy to use, easy to use and easy to recover. Therefore, in order to avoid the threat of mobile phones, the introduction of jammers gps is absolutely necessary. You may