The SkyBeacon ADS-B unit from uAvionix has had its STC data package accepted by the FAA with 272 aircraft AML
After receiving the STC, uAvionix have released guidance relating to shipping information, how to get SkyBeacon installed, where you can purchase the device and other general pieces of information.
Listed below are links to the various pieces of information they have released:
Non-AML Aircraft Install Approval