Block Number Dialing Out Cell Phone Blocks Meaningless Signals
The principle of signal interference is to transmit high-power junk signals in the corresponding frequency band to cover the past. The power of the mobile phone is only 0.5 watts, and the corresponding frequency band is also public. A 5W device covering the Block Number Dialing Out Cell Phone band can send out meaningless signals at full power and overwhelm the phone. A signal to communicate with a base station. In this case, the phone has no way, but can communicate using UHF and VHF radios. However, monitoring and jamming are not difficult for common civilian radio frequency bands such as 136-174 400-470. The earth doesn't explode, and the phone doesn't put down. This sentence is a bit exaggerated, but it is undeniable that mobile phones and users are closely related. So how many people know a mobile phone that is closely related to them? As for cold knowledge? The so-called "know yourself, know the enemy, and be invincible", to understand these cold mobile phone knowledge, let you know more about your mobile phone.
Why does the magical "species" of mobile phones often move around unexpectedly and lose signal? Generally, there are the following situations: If the mobile phone signals of friends around you are normal and have no effect, then you should consider whether there is a problem with your mobile phone itself. For example, during walking and activities, the SIM card becomes loose, resulting in poor contact and damage to the phone hardware. In addition, the Cell Phone Jammer system may also have bugs due to conflicts between software. Then, if this is the case, it is recommended to turn off the phone, remove the phone card and put it back into the card slot, restart the phone, or update the phone system. Or someone deliberately used Block Number Dialing Out Cell Phone to affect your signal.