@J.Urbina OK, got it. Then your wireless security settings are fine. When trying to connect the cell and the iPad in question (and SSIDs are hidden) are they behave the same on 2.4 GHz and 5 GHz band...

@J.Urbina The cell phone in question, is it an IPhone ? If yes, what's the IOS ? When the SSID is not hidden, do these two have a stable connection with AX21 ? Have you tried the wireless security...

@J.Urbina How many devices you are connecting to the AX21 ? What are the devices you have this problem with ? Does that happen always with these particular devices ? Can you confirm the HW version...

@dazcuenaga Follow this guide to configure C7 WDS feature. Make sure the LAN IP address of C7 is in the same subnet as the main router and C7 DHCP server is OFF. When the WDS status is 'Run', then...

@zexoni70 If you're good on Auto, you can leave it like that. When you have problems with negotiation speed sometimes switching to 1000 Mbps, Full duplex can resolve the issue. As long as the cable...

@regeponur It is important to be a well made ethernet cable (Cat 5e/ Cat 6), regardless if it's from the box or not. Glad to hear you've managed to fix it.