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Expand device tracker docs
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@ -9,6 +9,8 @@ A device tracker is a read-only entity that provides presence information. There
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A ScannerEntity reports the connected state of a device on the local network. If the device is connected the ScannerEntity will have state `home` and if the device is not connected the state will be `not_home`.
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Derive a platform entity from [`homeassistant.components.device_tracker.config_entry.ScannerEntity`](https://github.com/home-assistant/core/blob/dev/homeassistant/components/device_tracker/config_entry.py)
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### Properties
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:::tip
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@ -24,10 +26,18 @@ Properties should always only return information from memory and not do I/O (lik
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| mac_address | string | `None` | The MAC address of the device. |
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| hostname | string | `None` | The hostname of the device. |
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### DHCP discovery
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If the device tracker `source_type` is `router` and the `ip_address`, `mac_address`, and `hostname` properties have been set, the data will
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speed up `DHCP discovery` as the system will not have to wait for
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dhcp discover packets to find existing devices.
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## TrackerEntity
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A TrackerEntity tracks the location of a device and reports it either as a location name, a zone name or `home` or `not_home` states. A TrackerEntity normally receives GPS coordinates to determine its state.
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Derive a platform entity from [`homeassistant.components.device_tracker.config_entry.TrackerEntity`](https://github.com/home-assistant/core/blob/dev/homeassistant/components/device_tracker/config_entry.py)
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### Properties
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:::tip
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