GARMIN GTX 330D ES ADS-B TRANSPONDER w/tray etc - just removed for upgrade Click here to purchase or contact the seller of this item on eBay
Current Price: 1,500.00 USD

The Garmin GTX 330ES is a panel-mounted Mode S digital transponder with Extended Squitter (ES) capability, enabling ADS-B Out on the 1090 MHz frequency.

It builds on the standard GTX 330 by adding automatic broadcast of aircraft position, velocity, and other data (without needing interrogation from ground stations or other aircraft), which improves surveillance and supports the FAA's ADS-B mandate (14 CFR 91.225/91.227) in the US.