AltBeacon
Formal
AltBeacon is an open and interoperable proximity beacon specification. The AltBeacon specification defines the format of the advertisement message that Bluetooth Low Energy proximity beacons broadcast.
Practical
The AltBeacon specification defines the format of the advertisement message that Bluetooth Low Energy proximity beacons broadcast. The specification is intended to create an open, competitive market for proximity beacon implementations and is free for all to implement, with no royalty or fees.
