@Bigjimcfh It does sound like you have covered most of the angles of diagnosis there, however from experience this could be the WPA settings for your WiFi. Are you running WPA3 SAE by any chance? If...

@VeroniT12 Hey As the issue you are having isnt related to any TP Link products, you are likely in the wrong place for a solution. I would recommend you go to the HomeNetworking reddit channel and...

@Alexandre. Totally agree with Alexandre If you are bringing 1gbps internet you will need a more powerful device to handle that capacity, the current Deco M4/5/9 range are not designed to handle that...

@undeniable Personally not used this device, but according to the specifications it does indeed support Fast Roaming. However in terms of AI Roaming, im not so sure Bear in mind the wall editions are...

@Bigjimcfh Would you be able to give us some more information on your exact setup? namely where the DHCP is coming from and what address your AP has at present.. You mentioned Deco, is this to link...

@Philboyd Try running network optimiser from the Deco App. It could be interference on the airspace and switching channel may help, the optimiser will do that for you.