I can see that you are using static WAN configuration on the device.
You should be able to access this devices from the WAN port using this IP address, however; it depends on the set-up that you are using.
The only other configuration on the device is to enable the Remote Web Login under the Administrator settings.
If you are facing any issues while accessing the device using the WAN port, please share details on your network topology to support@cambiumnetworks.com so we can check what might be casuing the issue.