With the improvement of the level of technology, various types of mobile phones have appeared one after another, bringing great convenience to people's daily life,also providing a lot of entertainment for our spare time, so that more and more people can not without the mobile phone. Therefore, whenever and wherever we can always see the phone appear before us. However, some places where mobile phones are not allowed, continuous calls can only cause people to worry and generate a lot of noise pollution, which requires a cell phone jammer to bring peace to our location. Then the hand-held mobile phone jammer is very convenient in every place where the mobile phone is prone to nuisance, and it becomes a choice of people. portable jammer This 8-band portable cell phone jammer is currently the most popular interference device on the market. The newly designed portable wireless signal jammer is in the ABS case of the Jammer with a nylon cover for easy portability. In the shielding range, it strongly interferes with 2G, 3G, 4G, WIFI2.4G 5.8GHz, GPSL1-L5, signal and Walkie-Talkie, UHF400, VHF130MHz, CDMA450 signal band types. If you have such a device in your hand, there is hardly anything that infringes on your privacy or breaks the confidentiality of your location within 20 meters of you. Even the most advanced tracking, eavesdropping, eavesdropping and other anti-privacy technologies will not function properly if they are within the scope of this product. In addition, we have other types of handheld signal jammers, as well as portable jammers, WiFi jammers, portable remote cotrol GSM jammers and more. People only need to come here, they can get the desired handheld signal jammer according to their requirements. https://www.jammer-mart.com/wireless-wifi-bluetooth-jammer.html https://www.jammer-mart.com/portable-blockers-jammers.html https://www.jammer-mart.com/phone-blockers-jammers.html