Bluetooth GATT Service Reference
Fitness Machine (0x1826)
The Fitness Machine Service (FTMS) exposes training-related data in the sports and fitness environment, which allows a Client to collect training data while a user is exercising with a fitness machine (Server).
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 | Fitness Machine |
| UUID | 0x1826 |
| Type | org.bluetooth.service.fitness_machine |
| XML Root | Service |
| Source File | org.bluetooth.service.fitness_machine.xml |
| Field Count | 0 |
Characteristic List
Characteristics declared by this service profile entry.
| Characteristic | Type | Requirement | Properties |
|---|---|---|---|
| Fitness Machine Feature | org.bluetooth.characteristic.fitness_machine_feature | Mandatory | Read |
| Treadmill Data | org.bluetooth.characteristic.treadmill_data | Optional | Notify |
| Cross Trainer Data | org.bluetooth.characteristic.cross_trainer_data | Optional | Notify |
| Step Climber Data | org.bluetooth.characteristic.step_climber_data | Optional | Notify |
| Stair Climber Data | org.bluetooth.characteristic.stair_climber_data | Optional | Notify |
| Rower Data | org.bluetooth.characteristic.rower_data | Optional | Notify |
| Indoor Bike Data | org.bluetooth.characteristic.indoor_bike_data | Optional | Notify |
| Training Status | org.bluetooth.characteristic.training_status | Optional | Read, Notify |
| Supported Speed Range | org.bluetooth.characteristic.supported_speed_range | C1 | InformationText, Read |
| Supported Inclination Range | org.bluetooth.characteristic.supported_inclination_range | C2 | InformationText, Read |
| Supported Resistance Level Range | org.bluetooth.characteristic.supported_resistance_level_range | C3 | InformationText, Read |
| Supported Power Range | org.bluetooth.characteristic.supported_power_range | C4 | InformationText, Read |
| Supported Heart Rate Range | org.bluetooth.characteristic.supported_heart_rate_range | C5 | InformationText, Read |
| Fitness Machine Control Point | org.bluetooth.characteristic.fitness_machine_control_point | Optional | Write, Indicate |
| Fitness Machine Status | org.bluetooth.characteristic.fitness_machine_status | C6 | InformationText, 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 Fitness Machine in Bluetooth GATT?
Fitness Machine is defined as a Bluetooth GATT service entry with type org.bluetooth.service.fitness_machine and UUID 0x1826.
What UUID identifies Fitness Machine?
The UUID for Fitness Machine is 0x1826.
How should I parse Fitness Machine?
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.