The AirSync Kit comes with the first year of the AirSync Service Entry Tier included. After the first year you can renew the AirSync service starting at $199 per year for the Entry Tier. (Entry Tier Service is limited to 200 flight hours per aircraft per year). SD Card configurations come with the AirSync SD Card for use with Garmin FMSs. WiFi configurations do not include the AirSync SD Card and are for use with Avidyne IFDs.