![]() This technology allows your phone to interact with markers – beacons – placed around towns and cities that ping to/from your phone, providing an alternative way of determining your location. Having said that, Apple phones also offer a feature called iBeacons. After all, knowing where you are in your neighborhood is exactly what GPS is designed to do. In terms of how geofencing works, you’ve probably worked out by now that it’s very driven by GPS. This clever approach helps preserve your mobile battery (and data allowance), whilst still offering seamless auto-unlock capability. As you get closer, the app can then start checking more frequently. A long range geofence at 100m/328ft or 200m/656ft – this will use mobile data and GPS to determine that you might be approaching home (after crossing into the outer geofence) or that you have left the neighborhood and the app can stop checking your whereabouts as often.ĭue to a range of power saving options, smartphone apps are unable to check your location every couple of seconds, which is why geofences are used as a sort of heuristic approach to see that you might be returning home.If a Bluetooth and WiFi signal is established, you’re likely to be outside your house and so the app will be actively preparing to open your front door when it detects you approach it. A short range geofence at 10m/33ft or 20m/66ft – this can rely on Bluetooth and WiFi connections, in addition to GPS data to ensure that you are very close to your house.In other words, there are two main geofences in use: In other words, the smart lock will work with your phone to build up the following sort of picture as to your whereabouts: Illustration from Google Maps about how two virtual boundaries – geofences – can be used. ![]() When you go very close to the house, it can then unlock your home’s front door lock. This mode means that it’ll start checking more frequently to determine whether you’re driving back to your house. If you cross one of these boundaries, it triggers a digital proximity alarm – and the app will go into an increased awareness mode. Geofencing refers to a smart lock app’s ability to detect whether you’re coming home or not, by drawing virtual boundaries around your house and neighboorhood. What is geofencing, and how does it work? When you cross over this digital fence, it’s a big sign to the smart lock app that you have left home (or are arriving back home). As we’ll see below, geofencing relates to having a virtual square or circle drawn around your house. Geofences/iBeacons – these are actually two different technologies, but they’re similar enough to be mentioned together (for now). ![]() It won’t have accidentally picked you up from 400ft away, so a valid Bluetooth connection is a strong sign that you have returned home. Again this makes sense – if you’ve just pulled into your driveway, Bluetooth’s short range means that your smart lock will quickly be able to determine that you have arrived. Bluetooth – this is similar to WiFi in that it has a shorter range – sometimes just 10m (33ft), which is the distance that some smart locks will rely on bluetooth for to determine whether to smart lock/unlock. ![]() This can also be used to determine that you’ve just left home (as the WiFi signal will get weaker and weaker rapdily – WiFi range isn’t great.Īugust uses WiFi for its auto-unlock functionality, whereas Nuki locks do not. This can help determine whether you’re sat on your driveway, about to enter the house.
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