Earlier this year, Microsoft confirmed that it would bring the GATT Server APIs for WIN10 mobile devices, later this year. GATT agreements are important for wearable equipment services, such as smart bracelet, smart watch, etc.
Microsoft employee Clint Rutkas at the end of September that the Bluetooth team is working to add the GATT Server APIs to the WINDOWS10 system and will be open to Win10 Mobile Insider users first, and the SDK is coming this year. For example, the current Fitbit notification requires the GATT Bluetooth protocol support.
Now that the GATT summary has appeared in the latest WIN10 Innovator update preview 14965 SDK download is only for testing, which means that Microsoft has gradually developed and opened the WIN10 Mobile system to the GATT Server APIs support, Fitbit notice can be added to support SMS, call reminders and so on.
The GATT, which is based on the protocol of Bluetooth 4.0 protocol, contains many Bluetooth application layer protocols and is one of the low power components of Bluetooth. The GATT represents server properties and client properties, describing the service levels, features, and attributes used in the property server. BLE devices use it as a Bluetooth low power Application Specification for service discovery.