Adjustable 8 Band Cell Phone Signal WiFi GPS Jammer

In the early days, signal jammers could only block a set of frequencies, such as 2G, while complex jammers could block several types of networks at once, such as 2-3G. Now, this jammer is even more powerful. As a multi-function desktop signal jammers, this product can block 8 frequency bands. Such as all cell phone signals: GSM/CDMA, 3G, 4G. It can also block GPS, WIFI and other signals. It has 19W, the jammer range is very large, its block signal output is stable. Have separate frequency switch, you can choose according to need to open or close a certain frequency band. It also has power adjustable function, you can adjust the range of interference as needed.