At present, due to the low price, small wireless routers are very convenient, and the speed of providing wireless Internet is getting faster and faster. At the same time, employees can connect to wifi through mobile phones and tablets. The wireless phenomenon is becoming more and more popular. Many employees of companies have wireless routers. , And then visit the company in the local area network (LAN) to provide wireless Internet access to their mobile phones and tablets.
Sometimes, if they do not arrive on time, we have to wait a long time. But now, we only send short messages or dial his mobile number. The problem is solved very simply. At that time, the Internet was not used much, so we paid great attention to the classroom. After school, we don’t have much information to check. Therefore, our knowledge only comes from manual or test work. Today, students can search for information on the Internet. Alternatively, you can download the required information. Although many students don’t want to attend class,
Interfering devices, also called signal jammers, seem harmless at first glance. However, the possibility of damage is high. These jammers may disrupt basic communication services such as ambulances, police, 911 and firefighters. Therefore, manufacturing, selling, distributing, and owning GPS Jammers in the United States is also a federal crime, and it is not surprising that the fines range from high fines to seizure of jamming devices.
If a thief or an intruder activates any of these devices from outside your home, your phone will no longer be able to receive signals, and you will not be able to make any emergency calls for help. Many of these jammers can also disrupt Wi-Fi, so you can easily turn off all communications in the house as long as you tap the switch on these devices.
Although more and more people are “cutting the wires”, this has also caused problems for traditional alarm systems that rely on land lines. If the ground cable is cut, an alarm is usually triggered at the alarm monitoring station. Nowadays, alarms can be wired via an Internet connection or using a cellular connection. However, both of these new methods have problems. If the Internet or cellular connection is disconnected, the alert provider is usually not warned. The thief can easily disconnect the Internet connection from outside the house, and we have seen what can be done with a cell phone jammer.