Sony RM-NU1 - Manual (Page 80)

80 GB
WPA2
Abbreviation for Wi-Fi Protected
Access 2. An encryption standard for
wireless LAN networks. As an
upgraded version of WPA created by
the Wi-Fi Alliance, this standard
uses AES (Advanced Encryption
Standard) cryptography to provide
stronger security than WPA.
WPS
Abbreviation for Wi-Fi Protected
Setup. A wireless network standard
created by the Wi-Fi Alliance to
allow you to set up a wireless
network easily. A push button
method and a PIN code method are
available.