This Bendix/King KT-74 Mode S and ADS-B Out Transponder. It is compatible with Bendix/King KT76A/C and 78A as a slip in replacement unit, and complies with current aviation mandates. The manufacturer part number is 89000007-000001, ensuring that you are getting a genuine product. The transponder is sold as is, with no warranty, but its quality is assured with a signed Removed Serviceable Label from a recognized avionics repair company. This item falls under the categories of Transponders, Avionics, Aviation Parts & Accessories, and Parts & Accessories in eBay Motors. Don't miss out on the opportunity to obtain a reasonably prices currently mandated item.