@PeteBun Are you saying the sound from the doorbell itself? But the Tapo D235 does not have detection alarms. You may want to check if someone was pressing your doorbell instead.

@Zebbie Which Tapo robot vacuum do you have? This troubleshooting should be helpful for you, take a look. What to do if Tapo robot vacuum cleans in messy paths?

@John1947 To check whether the Tapo hub supports your Tapo camera, refer to this list. Tapo Smart Hub Compatible Camera List

@Tapo_User69 Check this guide. How to connect Tapo Wi-Fi Cameras/doorbells with Tapo Hub

@rinodb Different hardware versions of the same model may have functional differences. Tapo C410 V1 supports pet and vehicle detection, while the V2 does not.

@jpr77 Is your new wifi a 2.4GHz and 5GHz combined network? Try to disable 5GHz temporarily, or separate a dedicated 2.4GHz WiFi, see if that helps. You can also try to connect the plug to a hotspot...