Used Doorbells + Door intercom system

Aqara Smart Video Doorbell G4

Wi-Fi

Steffen Radio chime

Wireless

Avantek Radio bell

Funk

eufy Video Doorbell E340

Wireless

TP-Link Tapo D235

Funk

Ring Chime gene 2

Wi-Fi

Physen Radio Doorbell Set

Funk

Reolink Doorbell bundle

Wi-Fi

Ring Doorbell Plus

Wireless

Emos Wireless doorbell

Radio 433 MHz

Ubiquiti Acc Doorbell UP-Chime

Wireless

Google Nest Doorbell

Bluetooth Low Energy, Wireless

TP-Link Tapo D230S1

Ethernet, Wi-Fi

Steffen Radio chime

Funk

Ubiquiti UniFi Access Intercom Viewer

Ethernet