Garmin GTX 330 Mode A/C S Transponder 011-00455-00 SN 84125544 *CERTIFIED W/Cage
Serial Number: 84125544. Our 3rd GARMIN TRANSPONDER GTX 330. In order to display Traffic, a compatible MFD is required (for example, the GNS-430, GNS-430W, GNS-530, GNS-530W, MX-20, GMX-200, and 695 and 696 portable MFDs).