Max BR1 Mini LTE WiFi not able to connect any device

hello i have a Max BR1 Mini LTE. it is in IP pass Through mode.
and wifi has been enabled.
i can see the SSID and when clicking it to join the Network my mobile device says “connection failed” it says this on every device that we attempt to connect.
any thhoughts on settings to check.
it is also running 8.2.6