Introduction

Link loss service in Bluetooth Low Energy (BLE) is a standard service defined by the Bluetooth Special Interest Group (SIG) to alert a device when it loses connection with another device.

The Link Loss Service is designed to monitor the connection status between two BLE devices. When a connection is lost, the service triggers an alert on the device to inform the user.
  • The Link Loss Service uses the Alert Level characteristic to cause an alert in the device when the link is lost.
  • The Link Loss Service shall be instantiated as a «Primary Service». The service UUID shall be set to the UUID value assigned to «Link Loss» which is 0x1803.