After the school uses mobile phone signal jammers, can students still access the Internet?

At present, many schools have installed mobile phone signal jammers. Once the jammer is activated, can students still access the Internet? Let’s explore this issue from the perspective of Cell Phone Jammer manufacturers:

Generally, there are three ways to access the Internet through mobile phones.

The first method is to connect to the Internet through the signal of the mobile phone operator. When the jammer is activated, the mobile phone cannot receive the operator’s signal. As a result, calls, text messages, and Internet access are interrupted, proving the effectiveness of the jammer.

The second method is to connect to the Internet through Wi-Fi. If the jammer does not block the 2.4GHz Wi-Fi channel, then individuals can still access the Internet through a Wi-Fi connection. Although making calls and sending text messages may be restricted, applications such as QQ, WeChat, video calls, movies, and games can still be used. However, if the WIFI jammer supports Wi-Fi shielding, the Internet will not be accessible, ensuring the effectiveness of the jammer.

The third method is to directly connect the mobile phone to the wired network through the LAN port. This method is similar to connecting a computer to the network through an Ethernet cable. Whether the jammer is turned on or not, no interference will be generated and the Internet speed will not be affected. However, this method relies on the availability of the external network LAN port. If there is no available LAN interface, this method is not feasible.

In summary, cell phone jammers on campus can effectively disrupt cell phone signals, limiting internet access through mobile carriers and potentially even Wi-Fi connections, depending on the capabilities of the jammer.

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