Why AltBeacon? Because there is no open and interoperable specification for proximity beacons, Radius Networks has authored the AltBeacon specification as a proposal for how to solve this problem. We firmly believe that an open specification would help everyone, and we want to do it right.
The Google beacon platform, built on Eddystone, allows you to deploy your beacons once and use them many times. Build highly personalized features into your app, share your beacons to collaborate with other developers, or use Nearby Notifications to deliver web or app content, with no prior app install required.
GeoBeacon Protocol Specification v1.0. GeoBeacon is a protocol specification that defines a message format for proximity beacon advertisements. GeoBeacon proximity beacon advertisements are transmitted by devices for the purpose of signaling their proximity to nearby receivers.
The basic story is that the company is embedding a tracking beacon in advertisement audio using ultrasound frequencies that are outside of the range of human hearing. The microphone on a cell phone picks up the ultrasonic sound, and an app on the phone that's built to listen for that kind of tone decodes it and sends it on to the company doing the tracking.
The Wi-Fi Alliance recently unveiled Wi-Fi Aware as an alternative to Bluetooth Smart for beacons. Is Wi-Fi Aware sufficiently different and compelling to entice developers? The Wi-Fi Alliance recently unveiled Wi-Fi Aware as an alternative to Bluetooth Smart for beacons.