What is GATT?

GATT (Generic Attribute Profile) is a Bluetooth Low Energy (BLE) profile that defines a standardized framework for data transfer between BLE devices. It specifies how data is organized into attributes (characteristics and services) and how these attributes are discovered and accessed. GATT is commonly used in a wide range of applications, including wearable devices, IoT sensors, and proximity beacons, to enable communication between devices like smartphones, smartwatches, and health monitors.