With the development of technology, we have gradually entered the era of the information network. Nowadays, everyone’s life is inextricably linked to cell phones, computers, and other networking tools. In the meantime, almost all cars are equipped with a variety of electronic devices. However, all of these devices must be connected to the network in order to function. There are always some hackers who live in the dark who use advanced hacking techniques and easily steal our privacy. We can use signal interference to protect ourselves, such as Interfering signal.
Before we use a portable cell phone jammer, we need to know what signals our smartphone can receive. The general 4G smartphones on the market generally receive 2G 3G 4G GSM GPS WIFI signals. If we want to block these signals and then buy the jammer, we need to carefully examine the signal interfering with each device and its shielding radius.
There are a variety of jammers on the market and the areas in which each jammer is used are also different. Many websites sell electronic products such as: Portable GPS jammers that interfere with GPS location systems and can shield your current location at any time. Multiband cell phone jammers can not only shield commonly used 2G 3G 4G cell phone signals, but also block GPS WiFi signals, etc. fire or force the drone to return.
A portable cell phone jammer is an unusual security product. Although restricted in many areas, they have been used and widely used in many areas of society such as prisons / detention centers, education departments, gas stations, etc.
While in detention centers where prisoners can be seen, the use of portable cell phone jammers can prevent prisoners from contacting the outside world via cell phones and some electronic devices. Although cell phones are banned in prisons, there are many media and visitors, and no one can guarantee that irregular electronic devices will go to prison. For this reason, jamming products are being used in more and more prisons and detention centers.
The education department uses jamming equipment during the exam that can prevent candidates from using some high-tech electronic products to deliver or search for answers to maintain the exam room. The gas station buy portable cell phone jammers, and prevent them from using the cell phone, thereby effectively avoiding some of the security risks that arise from the use of cell phones. like gas explosion from static electricity.