Introduction of Wi-Fi:
1. Wi-Fi is a technology that allows electronic devices to connect to a wireless local area network (WLAN), usually using 2.4GUHF or 5GSHFISM radio frequency bands.
2. Connecting to the wireless LAN is usually password-protected; But it can also be open, which allows any device within the range of WLAN to connect.
3. Wi-Fi is a brand of wireless network communication technology, which is owned by the Wi-Fi Alliance. The purpose is to improve the interoperability between wireless network products based on IEEE82.11 standard.
4. For the pronunciation of the abbreviation "Wi-Fi", according to the pronunciation notes of the English standard Webster dictionary, the standard pronunciation is/? wa? .fa? /Because the word Wi-Fi is composed of two words, it is best to write in WI-FI, so there is no so-called pronunciation problem as experts say. Similarly, there is HI-FI(/ha? .fa? /）。