Bluetooth GATT Service Reference
Reference Time Update Service (0x1806)
This service enables a Bluetooth device that can update the system time using reference time such as GPS to expose the control point and the accuracy (drift) of the local system time compared to the reference time source.
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 | Reference Time Update Service |
| UUID | 0x1806 |
| Type | org.bluetooth.service.reference_time_update |
| XML Root | Service |
| Source File | org.bluetooth.service.reference_time_update.xml |
| Field Count | 0 |
Characteristic List
Characteristics declared by this service profile entry.
| Characteristic | Type | Requirement | Properties |
|---|---|---|---|
| Time Update Control Point | org.bluetooth.characteristic.time_update_control_point | Mandatory | WriteWithoutResponse |
| Time Update State | org.bluetooth.characteristic.time_update_state | Mandatory | Read |
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 Reference Time Update Service in Bluetooth GATT?
Reference Time Update Service is defined as a Bluetooth GATT service entry with type org.bluetooth.service.reference_time_update and UUID 0x1806.
What UUID identifies Reference Time Update Service?
The UUID for Reference Time Update Service is 0x1806.
How should I parse Reference Time Update Service?
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.