D-Link DWM-312W Quick Installation Manual page 24

DWM-312W Quick Installation Guide
In order to connect your device to a wireless ISP (WISP), on the Device
mode page, from the Connection method list, select the Wi-Fi 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, and set your
own password for access to the web-based interface of the device.
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