https://www.perfectjammer.com/all-cell-phone-jammers-blockers.html
Perfectjammer has professional portable 3g 4g 5g mobile phone cheap jammer for sale. Here you can buy a cheap mini portable or handheld jamming device, jamming range depending on the size of the device. Depending on the use, you can find personal or classroom blocker devices
[830] xiansheng wang (2020/06/10 Wed 11:25) mail