The open source code advertises Eddystone-URL, Eddystone-UID and Eddystone-TLM. Examples are provided.
They started using beacon instead of RFID because RFID cards they were using were becoming more expensive than iBeacons and becoming scarce. They wanted tags they could second source, have a long battery life, long range and easy setup.
They have found the Indigo/piBeacon combination reliable, fast and have told us it works with all the Axaet, AnkhMaway and Minew beacons purchased from us.
We have recently come across Beacon Server, a useful application for Raspberry Pi 3 and OS X, by Yannick Weiss in Switzerland, that detects beacons and calls webhooks, for example IFTTT when a beacon enters or leaves the area. It’s controlled via a web interface: