Cell Phone Block Unknown Caller

With the rapid development of science, there are more and more cheating using wireless communication devices such as wireless headsets and mobile terminals (including smart phones) every time the "life test" is made. Due to this phenomenon, test organizers have used various methods, but today I want to introduce you to a device as a very effective countermeasure for cheating. This machine suppresses communication with mobile phones Cell Phone Block Unknown Caller . It emits interfering radio waves in the same frequency band used by mobile phones and PHS, and deteriorates the radio wave conditions received by the mobile phone, making it impossible to use the mobile phone around the device. In some concert halls, the concerts of famous conductors were even interrupted. For this reason, current theater operators strongly demand the development of effective countermeasure technologies. Although the frequency bands allocated by mobile phones and smartphones are frequency bands with a certain width, not part of it, what is the mechanism for devices to interfere with radio waves in various frequency bands? People who want to block radio waves as far as possible (lobby, waiting room, etc.). Most mobile phones and GPS devices have a 98% or higher probability that they will stop service. It has the highest output of any interference device for the general public currently on the market. It protects your privacy by preventing peeping and eavesdropping. In Japan, blocking radio waves without permission from the Ministry of Internal Affairs and Communications may violate the Radio Law. However, although customers need some useful information to purchase jammers, they are not just general explanations of where they are used and applied. Rush to the place where the wifi signal is blocked, and you can find a car within 20m. You can also find vehicles in the hotel parking lot. cell phone jammer

Mobile phones are a very convenient way to share files, videos and music at home or in the office. In addition, if you set up a wireless LAN in your daily life, it is easy to use. However, there is a major disadvantage. You can share information with your friends and colleagues, which can be easily stolen. So Cell Phone Block Unknown Caller keep your data confidential in terms of privacy and personal interests. Is it possible to catch criminals without installing it? I want to make a mobile phone jammer that can stop the service of the mobile phone, but if you know or have made a circuit diagram, please tell me how to make it. Not for pranks. This is just an experiment. I have asked the police about jammers before, but a lawyer I know said that unless interfering radio waves are detected on the spot, that is, unless it is proven that they were using it at the time, it would be difficult to detect them. And even if caught by the current criminal, the police can only be verbally careful. It's been almost a month, and the signal at our home is extremely poor. I can't access the Internet or make calls, but at first I thought it was my cell phone. “He said he was the king who lives in Shinshiro. According to the warehouse owner, “I bought this jammer to interfere with the GPS signal of the mortgage car, but I’m really sorry, I don’t think it will bother me Neighbors. "Say.