Secondly, WLAN is a local area network that works in 2.5GHz or 5GHz band and is set up wirelessly, referred to as wireless local area network for short. As an alternative to wired LAN, wireless LAN communication system is usually used in the same building.
3. The main differences between 3.WIFI and WLAN are as follows:
The difference is that WIFI is included in WLAN, and the power of transmitting signals is different, so the coverage is different.
(1) In terms of inclusion relation, WIFI is a standard of WLAN, which is included in WLAN and belongs to a new technology adopting WLAN protocol.
(2) 2) The coverage of WiFi can reach about 300 feet (about 90 meters), and the maximum coverage of WLAN (with antenna) can reach 5KM.
Difference 2 covers different wireless signal ranges.
(1)WLAN wireless Internet access actually includes WIFI wireless Internet access, and WLAN wireless Internet access has a wider coverage.
(2)WIFI wireless Internet access is more suitable for smart small digital products such as smart phones and tablet computers.
Fourthly, the WLAN service launched by China Unicom belongs to WLAN.