In addition to shielding WiFi2.4G and Bluetooth signals, the signal shielding device can also cut off the signals of 2G and 3G mobile phones at the same time, which is really Powerful. In addition, due to the design of the car charger, the Cell Phone Jammer Signal Blocker can also be used directly in the car, because when the Bluetooth jammer is Power ed off, you can use the car charger to charge it and then fully charge it. And this handheld phone size cell phone jammer It's easy to use, you can easily take it out when you need it, and then use it where you want it.
When students are in class, if they use mobile phones to play and ignore the important knowledge points taught by the teacher, this is not good for their learning, and they also avoid using WiFi to surf the Internet, and then blocking their signal WiFi is also necessary, so it needs to be portable Cell Phone Jammer Signal Blocker , It can be easily taken out and has the capability of 4G mobile phone jammer. In fact, this kind of portable 4G mobile phone jammer has been invented, which can meet the teacher's needs to block mobile phones and WiFi signals, thereby improving the quality of teaching. Next, you can take a look at this "handheld 3G 4G mobile phone jammer and WiFi jammer", it has a suitable size, can block 3G and 4G mobile phone signals at the same time, because this handheld 4G mobile phone jammer can be based on a given area The internal signal strength can cut off CDMA, GSM, DCS, PCS, 3G, 4G LTE, 4G Wimax and WiFi 2.4G signals at the same time, up to 20 meters. Therefore, when using the car charger, this portable 4G mobile phone jammer can also be used in the car, and because this portable jammer is designed with a cooling fan, it can always keep in good condition and work well.