Mini portable signal blocker GSM 3G WiFi GPS device

This is a mini hidden-type jamming device.GPS jammers It has many advantages:First of all, the design of this device is very portable. It has very small size (95mm*48mm*17mm) and can be easily put into pocket or backpack. Second, the device has very strong concealment. The device looks like a portable power source and can ensure that you are not easily perceived by others during your use. Third, although the device is very small, it can also jam multiple signals. Whether you need to block cell phone signals or WIFI signals or GPS signals, this device can do it.