The panel-mounted GTX 320A is a low cost, dependable, pilot-friendly Mode C transponder. For even more options, the companion GTX 327 Mode C transponder comes with a DSTN LCD display and additional features that reduce pilot workload.

Enjoy Solid State Design

Like all Garmin transponders, the IFR-certified GTX 320A features a solid state design, and with no warm up time, lower power consumption and much lower heat emissions, you’ll enjoy a longer service life. Transmit codes are dialed in using traditional knobs, and the 320A operates on 14- or 28-volt power.

Upgrade Easily

GTX 320A’s compact, lightweight design makes it easy to install in the tightest spaces. The 320A fits into existing installations of select Narco and King transponders using optional adapters for simple, cost-effective upgrading.