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How to use the Tracker Widget
Tracker is a widget you can add to an ALMS dashboard that shows you the location of your routers on an interactive map. It is especially useful for monitoring a fleet of vehicles, and can display up to 20,000 systems concurrently.
Tracker provides a near real-time view of all vehicles installed with a compatible AirLink router on the AirLink Premium offer in a map view within ALMS. This widget allows you to see all your devices in a Google Maps based view, displaying auto-refreshed location and system information. It includes filtering and clustering features to make it easy to look at the whole fleet, or to focus on individual devices.
System Compatibility
This widget is available only for AirLink OS-powered routers in the AirLink Premium offer.
| AIRLINK ROUTER MODEL | OS VERSION |
|---|---|
| XR60, XR80, XR90, RX55 | AirLink OS 5.0.86 or later |
Tracker uses GPS data from the AirLink router, so you must:
- connect a compatible GNSS antenna. For information about antennas, see the Semtech Antennas page and the Hardware User Guide for your router. You can find product documentation on The Source.
- Enable Location Services on the router.
See Configuring the router for the Tracker Widget for more information on configuring routers to provide location data that can be displayed in Tracker.
Adding the Tracker Widget in ALMS
To add the Tracker widget:
- Edit the dashboard. The initial dashboard cannot be edited, but you can edit the dashboard under Monitor > Systems or edit any dashboards you create. For more information, see the main Dashboard page.
- Search for “Tracker”.
- Select Tracker and click Save.
Using the Tracker Widget
Refresh and Auto Refresh
Auto refresh is disabled by default. When enabled, Tracker auto refreshes every 5 seconds.
Tracker displays devices that have updated their location within the last 15 minutes by default. This default setting is configurable (see Filtering Results and Time Range below).
Filtering Results
Tracker gives you the following options for filtering results.
- System Name: To find the desired systems, enter a search word.
- Time Range: You can filter systems by selecting a time range from the Reporting Within list on the Map toolbar.
The map displays systems whose last reported location time is within the selected time range. By default the time range is the last 15 minutes, to limit the display to only devices that have been active recently. Set the duration longer to see devices that have not been active recently.
Viewing the Tracker
Tracker has various controls for viewing the data you want to see.
Viewing Clusters
When several vehicles are so close together that they can’t be viewed separately, Tracker presents them in a cluster.
Click a cluster to zoom in and view the individual vehicles, or smaller clusters.
Viewing System Info
When looking at a vehicle on the map, you can view system information. To view system information, click the location icon.
The system name, last recorded position coordinates and the time of the last recorded position are displayed. Click x to close the system information bubble.
Map Options
The map options include:
- Traffic view
- Satellite view
- Full screen view
You can switch between Google Maps standard Map view and Satellite view. You can also display Google Maps traffic layer.
Expected Performance
AirLink OS-based devices stream data to ALMS in a near real-time fashion. In its default configuration, AirLink OS will not stream location data at a high enough resolution for the Tracker widget to provide a near real-time experience. If you follow the configuration instructions provided in Enabling Location in AirLink OS, then you can expect that the device location will update approximately every 5 seconds.