Cell Phone Car Mount Sun Shade Heat Blocker Blocks Basic Communication
First of all, GSM is the basic network frequency band for mobile phone voice communication and short message services. As we all know, the improper use of mobile phones is very serious, and using mobile phones in public places will cause a lot of noise to others. Can you imagine how annoying it is to suddenly someone yelling while you are reading quietly? I agree. We don't like to be disturbed when we need quiet. The GSM network frequency band is very important for the use of electronic equipment. Therefore, in many places where the use of mobile phones is prohibited, mobile phone signal jammers are installed to block the basic communication of mobile phones, which is what we often call Cell Phone Jammer . We should know that important national meetings will last for many days. The content of the meeting needs to be strictly confidential and cannot be disturbed by the outside world, so the use of mobile phones is prohibited. It's not just a national conference, it's also adopted by multiple corporate conferences, banning cell phones, and gradually installing Cell Phone Car Mount Sun Shade Heat Blocker . Do you think it makes sense to install a cell phone jammer in the office?
If I'm in a meeting or quitting, I suddenly hear a strange noise! I yelled "Piri Li, Piri Li, Piri". During a performance or concert, someone's smartphone suddenly rings and the air freezes. The occasional GPS nuisance plane accident has worn out by this time. Many believe that's why "Please turn off your smartphone" came before it started. The radiation propagation form of road electromagnetic wave is based on the law of medium and electromagnetic field, and the disturbance energy released into the surrounding space propagates along the transmission line. There's one more, but maybe that's why theaters install " Cell Phone Car Mount Sun Shade Heat Blocker ". Cell phones are very convenient because you can take calls anytime, anywhere. It's connected even if you want it not to be connected by accident. With the popularity of mobile phones,