Eddystone-UID frame broadcasts an opaque, unique 16-byte Beacon ID
composed of a 10-byte namespace ID and a 6-byte instance ID. The
Beacon ID may be useful in mapping a device to a record in external
storage. The namespace ID may be used to group a particular set of
beacons, while the instance ID identifies individual devices in the
The Eddystone-TLM frame broadcasts telemetry information about the beacon itself such as battery voltage, device temperature, and counts of broadcast packets.