EnGenius EWS660AP User Manual page 42

WPA-PSK/WPA2-PSK (Pre-Shared Key)
Encryption: Select the WPA/WPA2 encryption type you would like to use. Available options are Both, TKIP(Temporal Key Integrity
Protocol) and AES(Advanced Encryption Standard). Please ensure that your wireless clients use the same settings.
Passphrase: Wireless clients must use the same Key to associate the device. If using ASCII format, the Key must be from 8 to 63
characters in length. If using HEX format, the Key must be 64 HEX characters in length.
Group Key Update Interval: Specify how often, in seconds, the Group Key changes.
WPA/WPA2-Enterprise
Encryption: Select the WPA/WPA2 encryption type you would like to use. Available options are Both, TKIP(Temporal Key Integrity