diff --git a/radio/radio.go b/radio/radio.go
index b50ebda..2d34a67 100644
--- a/radio/radio.go
+++ b/radio/radio.go
@@ -7,6 +7,7 @@ import (
 
 // Info descriptor.
 type Info struct {
+	ID              string         `yaml:"id" json:"id"`                                 // Unique identifier (e.g. serial number, MAC address)
 	Name            string         `yaml:"name" json:"name"`                             // Name of the device
 	Device          string         `yaml:"device" json:"device"`                         // Device type
 	Manufacturer    string         `yaml:"manufacturer" json:"manufacturer"`             // Device manufacturer