Excellent: ≥-55 dBm – Normal pairing with WI-FI
Good: -56~-60 dBm – Normal pairing with WI-FI
Fair: -61~-65 dBm – Can pair with WI-FI, but may increase power consumption and delay push time
No Signal: < -70 dBm – Cannot pair with WI-FI, option to use Bluetooth connection mode.