WPA2 PSK

Short for Wi-Fi Protected Access 2 – Pre-Shared Key, and also called WPA2 Personal, it is a method of securing your network using Pre-Shared Key (PSK) authentication,

Wi-Fi Protected Access 2 Personal uses pre-shared passphrases between 8 and 63 characters long.

The wireless device converts the preshared key to a hash and uses that for communication authentication.