Hidden 6 Band GSM 3G 4G GPS WiFi Signal Jammer

This jamming device has a hidden design. You can hide the antenna and not easily noticeable. Has separate band control button. You can open or close a frequency band according to your needs. This signal jammers is easy to carry, and you can put it in a backpack or tie it to your arm as needed. Its appearance resembles an older mobile phone, this is easy to deceive people, so he will always bring you unexpected surprises.