Sandia STX 165R Remote Transponder

Sandia STX 165R Remote Mode-C Transponder

With the STX 165R from Sandia Aerospace you can take your transponder out of the panel, and mount it closer to the antenna. You can control the transponder (change modes, squawk and Ident) directly from your iEFIS, Odyssey/Voyager or XTreme EFIS. Only 4 wires to connect – Power/Ground/RS-232 RX/RS-232 TX. Coax required with SMA connector for Sandia (BNC on the antenna side)