Welcome To Perfectjammer This Is The Most Professional Jammer Store, We Guarantee To Provide Your With The Highest Quality And The Cheapest Products

Handheld Cell Phone Blocker 16 Bands 5G Jammer

Apps To Block Spam Calling On Your Cell Phone Blocks The Three Major Operators

MacMillan Jay 2022/05/10

The working principle of the mobile phone jammer: within a certain frequency range, the mobile phone and the base station are connected by radio waves to complete the transmission of data and sound with a certain baud rate and modulation method. In view of the above communication principle, Apps To Block Spam Calling On Your Cell Phone scan from the low-end frequency of the forward channel to the high-end frequency at a certain speed during the working process. This scanning speed will cause garbled interference in the message signal received by the mobile phone, and the mobile phone cannot detect the normal data sent by the base station, so that the mobile phone cannot establish a connection with the base station. The mobile phone manifests as the phenomenon of searching the network, no signal, no service system, etc. Ultimately, the phone has no signal and cannot receive text messages or calls. The current cell phone jammer is full-band. It can block all 2G 3G 4G signals, 2.4G WIFI signals and Bluetooth signals of the three major operators of China Mobile, China Unicom and China Telecom. Its principle is to use its own frequency. Interfere with the frequencies sent by the base station and wireless routers received by the mobile phone, thereby shielding them.

On the evening of June 8, some netizens broke the news that two teenagers drowned in Jingsheng Town, Lingshi County, Shanxi Province. The college entrance examination room is 500 meters away from the incident. 120 When the ambulance arrived, the two were already dead. On June 9, the relevant person in charge of the Jingsheng Town Health Center, where the ambulance belongs, said that the ambulance of the health center was indeed stationed in the examination room that day, but the medical staff were on duty in the examination room. , the communication signal was blocked and no one received drowning. Help message. Since the incident was exposed by netizens, it has been widely questioned and condemned. In my opinion, the hospital's response was not without reason. It should be true that their signal is blocked. Implementing Apps To Block Spam Calling On Your Cell Phone signal masking in the test field is already well known. There is no problem with shielding the signal at the test site, which is a safety requirement. I'm thinking about a question: Is signal shielding used too much now, what kind of occasions can be shielded, and to what extent? There should be laws to follow, traces to follow?