TP-Link TL-ER604W manual Group, Period, or above. Enter 0 to disable the update, 2 WPA/WPA2

Auth Type:Choose the Auth type of the WPA-PSK/WPA2-PSK security on the drop-down list. The default setting is Automatic, which can select WPA-PSK(Pre-shared key of WPA) or WPA2-PSK(Pre-shared key of WPA) automatically based on the wireless station's capability and request.

Encryption: Select the Encryption type， including Automatic, TKIP, AES.

The default setting is Automatic, which can select TKIP (Temporal Key Integrity Protocol) or AES （Advanced Encryption Standard） automatically based on the wireless station's capability and request.

TKIP – TKIP is a security protocol used in the IEEE 802.11 wireless networking standard.

AES – AES is a specification for the encryption of electronic data established by the U.S. National Institute of Standards and Technology.

Password:Enter ASCII characters between 8 and 63 characters or 8 to 64 Hexadecimal characters. The default password is the same with the default PIN code, which is labeled on the bottom of the Router

Group	Key Update Specify the group key update interval in seconds. The value should be 30
Period:	or above. Enter 0 to disable the update.

2)WPA/WPA2

It’s based on Radius Server.

Auth Type:You can choose the Auth type of the WPA/WPA2 security on the drop-down list. The default setting is Automatic, which can select WPA (Wi-Fi Protected Access) or WPA2 (WPA version 2) automatically based on the wireless station's capability and request.

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