D-Link DIR-878 Quick Installation Manual page 26

DIR-878 Quick Installation Guide
In order to connect your main device to a wireless ISP (WISP), from the Work
mode list, select the WISP Repeater value. In this mode you can connect
your device to another access point, configure a WAN connection, set your
own settings for the wireless network in the 2.4GHz and 5GHz bands, and set
your own password for access to the web-based interface of the device.
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