A lot of people started talking about cell phone blocker
, as more and more mobile phones being used now is a social networking community.
Knowledge: the signal is actually encrypted transmission of electromagnetic waves, the signal peaks and troughs on behalf of 1,0. cell phone jammer
play a superposition of waves, resulting in the shielding effect.
Someone told me that he needed to block some of the signal, I recommend this site (Mobile Jammer
) to him, and I hope to help him
Perhaps we can add a title to the content, laughing
A cell phone jammer is a device that emits signals in the same frequency that cell phones use