Next to one of my APs, the signal strength is -25 dBm (99%) - according to my UniFi AP.
When looking at the ESP logs at bootup, it's 1970-01-01T00:00:06Z N: Connected. IP address: 192.168.2.247, RSSI: -50.
I start logging over Tera Term/telnet, so if there's another crash I hope I can capture...