The first point, too many interference factors
The electromagnetic channel used by wireless WLAN is very low, there are many devices with the same channel as wireless WLAN, for example, home induction cooker is, so win7 users are In the process of using wireless WLAN to access the Internet, it is easy to be affected by other channels or electromagnetic interference, affecting the normal use of wireless WLAN, so try to stay away from those appliances.
The second point, the open principle leads to security risks
Openness can be said to be a feature of wireless WLAN, but also because of the openness of wireless WLAN, to win7 users using wireless WLAN It also brings certain security risks. Because it is open, it will allow more wireless clients to detect the wireless network. This will increase the chances of our wireless network being attacked, so hackers can easily use it. The wireless WLAN attacks the win7 users in the WLAN, and it is still silent.
The third point, the limitation of bandwidth affects the network speed
In general, if the bandwidth used by win7 users is 8M, then in the case of wireless WLAN access, the maximum bandwidth should be Control is around 4M, which means that wireless WLAN will be reduced by about half compared with cable. This is also a fatal flaw in wireless WLAN. Nowadays, the technology of wireless WLAN is in the process of continuous development, but there is no limitation on bandwidth. What improved, so this is not enough.
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