All these new DIY systems pretty much rely on cellular and/or Wi-Fi. It seems that although it makes things more accessible, cheaper and easier to install, that’s where most of the glitches, or inconsistent alarm notifications come from, right? But in general it’s good that these systems have been made available for us all to choose from. Thank you for helping us navigate all the choices.

The Nest Guard motion sensor can detect motion within a 90° field of view up to 10 feet away. It also includes tamper detection as well as a proximity sensor (wakes on approach) and will let you know if it’s moved or if someone tries to jam your signal. However, in testing, I found that none of the promised tamper sensors worked. I did not test jamming detection.

What I like is the ease of setup. Very user friendly and quality components. The battery powered cameras offer a level of flexibility that our old wired cameras did not. Video is generally good to excellent (if you have a strong wifi router) and quite simple to customize the system to your particular needs (I don’t mind lack of 3rd party integration). And the $10 monthly price for monitoring and video storage is AMAZING (was paying almost $50/mo before).

Whatever connection your doorbell ends up using, Ring recommends having a broadband upload speed of at least 1Mbps, with 2Mbps preferred. That’s typically not a problem with cable modems, but it can present a challenge to DSL gateways. The video doorbell won’t use this uplink connection all the time, it’s active only while you’re streaming video or when its motion detection triggers video capture that’s uploaded to the cloud.

While the August doorbell offers a more symmetrical picture with no barrel distortion, it doesn't support IFTTT integration like the Ring Pro does, and Ring's monthly cloud fees are a bit more affordable. As such, the Ring Video Doorbell Pro is an Editors' Choice for smart doorbells. The SkyBell HD is another top pick, and offers features that Ring doesn't, such as color night video, free cloud recording, and compatibility with Nest smart home devices.

Once you're logged in, follow the straightforward prompts to connect each accessory. This was one of the easiest security system setups I've ever encountered; literally pull the battery tab on the battery-powered door/window sensor and motion sensor and plug in the base station, the keypad and the Z-Wave range extender, and they automatically connect to the app.
I don’t think I mentioned the answer in this article, but I know I’ve talked about this elsewhere. Unfortunately, all I can remember is abode and Ring. I can’t remember anything about Nest. All abode devices and sensors use the abode RF encrypted protocol to talk to the gateway. They also encrypt all communication between the gateway and the cloud. Ring uses Z-Wave Security 2 and Z-Wave SmartStart technology which encrypts the signal between the base and cloud as well as the base and sensors.
3 - If you do not answer the alert fast enough, you are locked out-- even though someone is standing at your front door. You cannot "turn on" the camera from your phone or tablet. If someone is there and you do not have an "ACCEPT" button on the screen, there is just no way to see or talk to them. This is obviously a software flaw. You should always be able to "wake" a camera remotely and talk to a person at your front door. Or maybe you just want to see the view outside your front door. You should be able to access the camera / microphone and enjoy your front yard.