Bluetooth GATT Service Reference
Location and Navigation (0x1819)
The Location and Navigation Service (LN Service) exposes location and navigation-related data from a Location and Navigation sensor (Server) intended for outdoor activity applications.
Quick Summary
No fixed value payload is declared in this XML; this entry defines metadata and profile structure. This page is generated from official GATT XML and presented as implementation-ready guidance.
At a Glance
Key reference details for BLE implementation, interoperability testing, and AI-assisted troubleshooting.
| Property | Value |
|---|---|
| Name | Location and Navigation |
| UUID | 0x1819 |
| Type | org.bluetooth.service.location_and_navigation |
| XML Root | Service |
| Source File | org.bluetooth.service.location_and_navigation.xml |
| Field Count | 0 |
Characteristic List
Characteristics declared by this service profile entry.
| Characteristic | Type | Requirement | Properties |
|---|---|---|---|
| LN Feature | org.bluetooth.characteristic.ln_feature | Mandatory | Read |
| Location and Speed | org.bluetooth.characteristic.location_and_speed | Mandatory | Notify |
| Position Quality | org.bluetooth.characteristic.position_quality | Optional | Read |
| LN Control Point | org.bluetooth.characteristic.ln_control_point | Optional | Write, Indicate |
| Navigation | org.bluetooth.characteristic.navigation | C2 | Notify |
Use Cases and Integration Notes
Service Discovery
Use this definition to validate discovered services and expected characteristics during BLE onboarding.
Profile Compliance
Cross-check required characteristics and properties for conformance and QA automation.
App Capability Gating
Drive feature availability in apps based on whether service-level requirements are present.
Implementation Checklist
- Validate the service UUID during discovery before reading characteristic metadata.
- Ensure mandatory characteristics exist and expose expected properties.
- Map declaration data to app feature flags before attempting writes/subscriptions.
- Record mismatches between firmware tables and expected profile definitions in logs.
Dependencies
- This service has no dependencies on other GATT-based services.
FAQ
What is Location and Navigation in Bluetooth GATT?
Location and Navigation is defined as a Bluetooth GATT service entry with type org.bluetooth.service.location_and_navigation and UUID 0x1819.
What UUID identifies Location and Navigation?
The UUID for Location and Navigation is 0x1819.
How should I parse Location and Navigation?
Parse the structure and requirements from the XML definition, then enforce format/requirement rules in your BLE stack.
Where does this definition come from?
This page is generated from the Bluetooth SIG mirror XML in the oesmith/gatt-xml repository.
How does this page support BLE implementation?
The page combines structured tables, practical Q&A, and JSON-LD metadata to help teams validate integrations and troubleshoot consistently.