@Vincent-TP I have now upgraded both units to FW v1.4.2. I should find out on around 27 September if it is more stable. 1. I didn't try all SSIDs. But I think at least 1 enterprise and 1 PSK SSID...

See previous correspondence: EAP660 HD doesn't function after about 50 days I would reply to that, but it's been locked. I've been able to run v1.2.11 for 50 days, and found that it also stops...

@gigel There was a power outage on 1st August 2024, which lasted about 80 minutes, but the UPS ony held up for 40 minutes. I didn't notice Wi-Fi degradation before the power outage, but it was...

I upgraded to v1.2.10 on 22nd April 2024. Today I found that the EAP660 HD had become unstable in their operation — which is 50 days. Connectivity was remediated by a power-cycle. I found v1.2.11 is...

@Hank21 I upgraded to v1.2.9 on 20-Dec-2023. I think they ran continuously until today, when the electricity company shut down power to our street (and my UPS ran out after 47 minutes). So they ran...

Can you see the firmware version given in my original message? 1.1.1 Build 20220118 Rel. 60852(5553) I have seen the advice "distinguish the SSIDs for the 2.4GHz and 5GHz" elsewhere. Is this due to a...