Although a mobile phone is a wireless communication device that is used wherever it goes, there are also invisible wires dragging it, that is, the mobile phone base station. Whether making a phone call or answering a phone call, the first step is to establish contact with a nearby cell phone base station. If you hold a mobile phone in each of your left and right hands, and use the mobile phone in your left hand to dial the mobile phone in your right hand, the electromagnetic wave of the mobile phone is not as simple as passing directly from the left hand to the right hand, but will travel a long way from the left hand phone to hundreds of meters away. Mobile phone base station, and then take a big circle to send back to the right-hand mobile phone (except for Bluetooth function). Normally, the base station brother and the mobile phone brother are chatting in full swing. The radio wave signals sent by the two parties come and go, but when Cell Phone Voice Recorder Jammer is turned on, they will "beat gongs and drums" around the mobile phone, and the signal Power is much higher than the received base station signal. Double the "noise" radio wave signal, the mobile phone can’t hear what the base station is talking about, cannot receive the signal from the base station normally, and the connection between the two is cut off. cell phone jammer The mobile phone will become an island, and it will be paralyzed whether it makes calls, texts, or other various functions.
We now know certain conditions and some important places, and some meetings are now not allowed to use mobile phones, and in order to ensure and prevent people from using mobile phones under such circumstances, the Cell Phone Voice Recorder Jammer that can cut off mobile phone signals has been widely used. And because there are various types of mobile phone signal jammers, from the antenna point of view, we know that there are directional antenna mobile phone jammers and omnidirectional mobile phone signal jammers, but here if you want to find a Powerful signal shielding device, you can cut off 2G 4G mobile phones Signal signal, and then you can stop here to look at the detailed information here, then of course you can have the opportunity to make the right decision and get a high-quality directional Power 4G jammer here.
