Although the current mobile phone traffic is expensive, connecting Wi Fi at home is still the mainstream choice. After all, the speed and stability of Wi Fi are better.

And when you connect to the router's Wi-Fi, you' ll see what's written in the phone settings

Today, China Telecom has carried out science popularization.

WLAN is called wireless localarea networks. It is a data transmission system using RF technologyThe emergence of this technology is to make up for the shortcomings of the wired local area network, to achieve the purpose of network extension, so that the wireless local area network can use a simple access architecture to let users through it, to achieve a smooth network without network lines and distance restrictions.

The full name of Wi Fi is wireless fidelity, which is a wireless network communication technology based on IEEE 802.11 series standardsThe purpose is to improve the interoperability between wireless network products based on IEEE 802.11 standard, which is held by the Wi Fi alliance.

In short, Wi Fi is a kind of wireless networking technology, which used to connect computers through the network, but now connects the network through radio waves.

In terms of inclusion,Wi Fi is a standard of WLAN. Wi Fi is included in WLAN, which belongs to a new technology of WLAN protocol.The biggest advantage of Wi Fi is that the transmission speed is high, but the coverage is small, which is suitable for small areas such as home and office; WLAN has a wider coverage, which is suitable for places with a wider area, such as schools, airports and other public areas.

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