When Aqara announced the Doorbell Camera G400 supported Power over Ethernet, it immediately caught my attention. PoE isn’t for everyone, but if you want it, you’ll likely ignore any option that doesn’t include it. Dual-band Wi-Fi 6 is great as a fallback, but absolutely nothing beats the 24/7 stability of wired cable. The Aqara Doorbell Camera G400 delivers that stability alongside local AI detection and a tall aspect ratio designed to spot packages. Let’s break down exactly what this doorbell brings to Apple Home users.