Professional Technology Blog At Perfectjammer

Recently, a Weibo about the installation of mobile cell phone jammer in Sanshui Middle School’s dormitory was posted on the Internet. Afterwards, the reporter asked Sanshui Middle School for verification. Block the dormitory signal during the night break. A few days ago, a Weibo posted in Sanshui, “Sanshui Middle School’s dormitory is engaged in mobile phone signal […]

Is this true? The reporter contacted the student Wen who posted on Weibo. Wen is a first-year high school student in Sanshui Middle School. According to him, he found that his mobile phone had no signal in the school dormitory a few days ago. Later, many students found out in the dormitory buildings A and […]

The reporter interviewed the principal of Sanshui Middle School, Hu. He said that there is indeed a mobile cell phone jammer installed in the third dormitory building. It is currently in the trial period and the shielding area is the second floor of the dormitory building A and B. After the commissioning is completed, it will be […]

Mobile phone signal jammers that were originally used in examination rooms to prevent candidates from cheating or used to interfere with signals in movie theaters are now used in the stores of second-hand housing intermediary companies. A reporter’s recent investigation in the market found that since the announcement of the second round of the new […]

There is no way to stop it. The shielding device is a so-called mobile cell phone jammer, which can shield all communication signals and cannot be stopped. The mobile phone jammers currently on the market can limit the signal of mobile phones that are 200 meters away from the transmitter and have a radius of more […]

It has good anti-reduction performance and good correlation. It can prevent the radiation of information signals and interference signals. Unique signal filling technology, covering a large range of 10kHz and 2GHz seamless interference; the filter design to suppress radiation conduction adopts a high-efficiency power supply design, two information transmissions twice play a reinforcement role, encrypt […]

In addition to shielding WiFi2.4G and Bluetooth signals, the signal jammer can also shield the signals of 2G and 3G mobile phones at the same time, which is really powerful. In addition, due to the design of the car charger, the mobile cell phone jammer can also be used directly in the car, because after the Bluetooth […]

The power adapter should be more than 20cm away from the host; (If the mobile cell phone jammer is installed, due to the limitation of the on-site installation environment, the power adapter will still be interfered by the strong magnetic field of the main body of the mobile phone jammer, but it will be different from the […]

There is no way to stop it. The shielding device is a so-called mobile phone jammer, which can shield all communication signals and cannot be stopped. The mobile cell phone jammer currently on the market can limit the signal of mobile phones that are 200 meters away from the transmitter and have a radius of more than […]