4 Bands Reviews

4 Portable Cellular Phones Jammers 2G 3G WiFi Blocker

It is easy to carry. The shielded GSM is very good, which makes me feel relieved. I will continue to buy other products here in the future.

Date Added: 11/01/2022 by Hunter

Hidden 4 Antennas Mini GPS/GSM Jammer

Mom doesn't have to worry about my safety anymore... It looks very sophisticated. I am very happy with the appearance.

Date Added: 10/25/2022 by Michael Arnold

Desktop Mobile Phone Jammer Power Adjustable

Very user-friendly design, you can remotely open or close. Can jammer a variety of cell phone signals, great!...

Date Added: 10/15/2017 by Joe Green

4 Bands GPS Cellphone Blocker

Has a strong jammer performance, completely cut off GPS, WIFI, cell phone signal. The product is worth buying!

Date Added: 10/31/2017 by Craigie Raphael

4 Bands Portable Cellular Phones Jammer

A great jammer that effectively protects my privacy. Especially in the car can be charged at any time use, really convenient!

Date Added: 11/08/2017 by Whitman Gary

4 Bands Mobile Phone Jammer Device

Great, can jammer all cell phone signals. From then on Saturday will not be awakened by all kinds of phone ringing...

Date Added: 11/22/2017 by Boswell Walker