china mobile communications corporation cmcc
WLAN = Wireless Local Area Network Wireless Local Area Network, also known as WIFI.
To use WLAN, this place must be covered by the operator's WLAN signal first. Just like a mobile phone, you can't make a phone call without a signal, and you can't get online without a WLAN signal, okay?
So it is useless to buy any equipment. Where there is WIFI signal coverage, the laptop wireless network card can surf the Internet normally. As long as you search CMCC wireless network, you can connect and authenticate.
Common WLAN hotspots: airports, waiting halls, KFC, McDonald's and other dining places, shopping malls and other hotspots, banks, etc. Schools are also places that operators like very much.