@d0ugmac1 Thanks so much for all the information! RSSI is indeed very subjective - I have moved one of the APs about 5cm and now got a -65dBm link between them. I have left the 5GHz on 20Mhz wide,...

@d0ugmac1 Thanks for the pointers! I changed channel width to 20Mhz, which worked fine, then 40Mhz and all still seems to be stable, with no restarts required. The meshed APs aren't freezing up any...

@Hank21 Hi, Thanks for your comment. This setup worked perfectly until I added on the second Mesh AP, when the instability started. I'll try and move them around to improve signal. Does the 5GHz Tx...

@d0ugmac1 Thanks for the pointers. I don't have access to any channel above 128 (or 140 if using 20Mhz wide channels). Channel limit and full-sector DFS are disabled. I tried moving to channel...

@d0ugmac1 Both APs are powered by the supplied directly connected power adapters I'll try another channel for root AP - I am in England

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