How does the signal blocker block the signal and how does it work?

added blog Shopping

2024-06-14 07:04:52 - Translate -

Nowadays, it is very common to install a cell phone signal blocker for the college entrance examination. Its working principle is that when sending and receiving information on your mobile phone, the mobile phone signal blocker is equivalent to a very powerful cheerleading team, shouting loudly and making a very loud sound. The "noise signal" is so loud that your mobile phone can't...

0 Comments 0 Shares 542 Views 0 Reviews