The SNR on my EAP120 shows:
46dB for the DB1 (which is about 13 feet away)
59dB for a Reolink RLC-410w (which is about 11 feet away, with no drops)
32dB for my phone that I placed near the DB (13 feet away)
For the EAP, similar to UI and Meraki, the higher the SNR, the better.
The signal strength on the EZVIZ app shows the dot plus 1 arc lit up.
I don't think the app retrieves/reports the actual signal strength on the DB1 but returns the signal strength based on the phone's wifi chipset and antenna.
@David, the status alerts tab doesn't determine what goes in the log; that tab is for sending email/text alerts.