Working broadband internet connection with at least 2 Mbps upload speed (DSL may not qualify).
Free Nest app and a compatible phone or tablet with iOS 8 or later or Android 4 or later and Bluetooth 4.0. Or set it up from your computer using USB and a web browser.
At 720p, each camera requires 200 to 500 Kbps of upload bandwidth while streaming video.
At 1080p, each camera requires 450 to 1200 Kbps of upload bandwidth while streaming video.
Cameras will use more bandwidth to stream video when there is more motion in the scene.
If you subscribe to Nest Aware, your camera streams all video to the cloud for secure offsite storage. At 720p, each camera could use 60GB to 160GB of upload bandwidth per month. At 1080p, each camera could use 140GB to 380GB of upload bandwidth per month.