Wer sagt das?
http://<shellyip>/rpc/WiFi.Scan
{"results":[{"ssid": "Time Capsule", "bssid": "74:da:XX:XX:XX:XX", "auth": 3, "channel": 5, "rssi": -51}, {"ssid": "Time Capsule", "bssid": "60:a4:XX:XX:XX:XX", "auth": 3, "channel": 5, "rssi": -61}, {"ssid": "Time Capsule", "bssid": "60:a4:XX:XX:XX:XX", "auth": 3, "channel": 5, "rssi": -76}, {"ssid": "Time Capsule", "bssid": "74:da:XX:XX:XX:XX", "auth": 3, "channel": 5, "rssi": -86}, {"ssid": "Time Capsule", "bssid": "60:a4:XX:XX:XX:XX", "auth": 3, "channel": 5, "rssi": -87}, {"ssid": "Fritz!Box 6360 Cable", "bssid": "c0:25:XX:XX:XX:XX", "auth": 4, "channel": 1, "rssi": -88}, {"ssid": "Time Capsule", "bssid": "74:da:XX:XX:XX:XX", "auth": 3, "channel": 5, "rssi": -89}, {"ssid": "FRITZ!Box 6591 Cable QU", "bssid": "dc:39:XX:XX:XX:XX", "auth": 3, "channel": 11, "rssi": -93}, {"ssid": "Vodafone Homespot", "bssid": "6e:39:XX:XX:XX:XX", "auth": 0, "channel": 11, "rssi": -93}, {"ssid": "Vodafone Hotspot", "bssid": "7e:39:XX:XX:XX:XX", "auth": 0, "channel": 11, "rssi": -93}]}
Eben diese nutzt der Shelly beim AP-Roaming nur wechselt er standardmäßig erst wenn er unter -80 fällt