This jammer 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 jammer is easy to carry, and you can put it in a backpack or tie it to your arm as needed.
For more mobile phonejamming device informations, please visit: https://www.perfectjammer.com/all-cell-phone-jammers-blockers.html