AltBeacon

spécification open-source de balise BLE de géolocalisation indoor.

http://altbeacon.org/

https://github.com/AltBeacon/spec

https://developer.mbed.org/blog/entry/BLE-Beacons-URIBeacon-AltBeacons-iBeacon/

https://developer.mbed.org/teams/Bluetooth-Low-Energy/code/BLE_AltBeacon/