Mode C Transponders

Mode C Transponders from Becker, Bendix/King, Garmin, and Sandia.

GTX 325

Mode C Transponder Garmin Part #: 010-01083-01

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No matter how your aircraft is currently equipped, Garmin's GTX 325 offers a simple, all-bases-covered transponder upgrade solution.

STX 165

Panel Mount Transponder Sandia Aerospace Part #: 705832-00

$2,089.00

The STX 165 is a panel mount unit that uses a 1/2 3ATI panel cutout. Behind the panel depth is only 6 1/4” (not including connectors). With a built in Altitude encoder, installation time and cost is greatly reduced.

STX 165R

Remote Transponder Sandia Aerospace Part #: 705831-00

$1,839.00

The STX 165R elevates transponder capability to a new level while reducing both weight and size. The solid state transmitter design provides 200 Watts nominal output with no warm up time. And because it’s all solid state, power requirements are at an absolute minimum.