​The material contained on this page is informative only. Authoritative compliance information is contained in the applicable Bluetooth specification.


Name: Server Characteristic Configuration

Type: org.bluetooth.descriptor.gatt.server_characteristic_configurationDownload / View

Assigned Number: 0x2903


The Server Characteristic Configuration descriptor defines how the characteristic descriptor is associated with may be configured for the server.


Only one Server Characteristic Configuration descriptor exists in a characteristic definition. A client may write this configuration descriptor to control the configuration of the characteristic on the server for all clients. There is a single instantiation of this descriptor for all clients. Authentication and authorization may be required by the server to write this descriptor.

Value Fields

Names Field Requirement Format Minimum Value Maximum Value Additional Information
uint16 0 1
Bit Field
Bit Size Name
Key Value
0 1
0 Broadcasts disabled
1 Broadcasts enabled
1 15 Reserved for future use