I've upgraded and have a lightly used Open Solutions FlightBox for sale. I bought it, assembled, and tested it. Only used it a few times and had no issues. Latest Firmware was just installed. New purchase is $225. I'll take $125 and pay shipping to U.S. address. Note: No AHRS in this unit FLIGHTBOX ADS-B https://www.openflightsolutions.com/flightbox/ IN-FLIGHT WEATHER, TRAFFIC & GPS RECEIVER Includes: Dual-Band ADS-B Receiver (assembled, tested) High-gain 978 MHz and 1090 MHz antennas WAAS GPS 3' high power USB cable Overview: FlightBox Dual Band is an in-flight weather and traffic receiver with integrated WAAS GPS. It receives ADS-B data over both the UAT 978 MHz band and the 1090-ES band, with support for uplink weather and traffic data from FAA ground towers and for direct ship-to-ship traffic from both 1090-ES and UAT-equipped aircraft. Functions: ADS-B Weather ADS-B Traffic GPS Features: Weather: METARs, TAFs, AIRMETs, SIGMETs, PIREPs, winds / temps aloft Flight Data: TFRs, NOTAMs, special use airspace updates Traffic: Direct traffic from all ADS-B Out equipped aircraft. Rebroadcast traffic from FAA ground towers GPS: WAAS-capable GPS provides precise position, altitude, ground speed, ground track, vertical speed, and rate of turn to your EFB or EFIS Works with: WingX Pro, Droid EFB, FlyQ EFB, Aerovie, iFly GPS, FltPlan Go, Avare, Naviator, AvNave, AvPlan EFB, OzRunways, True Flight, iFlightPlanner, ForeFlight, and most other EFB applications. Free iOS and Android apps for configuration and management GPS:The integrated GPS is a 48 channel WAAS capable receiver. The internal receiver (the receiver and antenna are inside the box). The internal option allows for maximum portability. Fully Assembled System: This FlightBox ADS-B is shipped fully assembled, tested, and ready to run. Simply power it up and fly.