advertising
A BLE device broadcasting short packets so others can discover it.
Advertising broadcasts short packets (up to 31 bytes of payload in legacy advertising) on three channels at a set interval, carrying the device's name, services or sensor data.
Examples
The sensor sends one advertising packet on each of channels 37, 38 and 39 every interval, between 20 ms and 10.24 s.
Its 26-byte payload carries the name
gh-bench1, service0x181Aand a temperature of 2153 (21.53 C).
See also