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Sandia Aerospace 705832-00
STX-165 Panel Mount Transponder
The STX 165 panel mount, Mode C transponder effortlessly compliments an aircrafts ADS-B UAT installation.
List Price: $1,950.00
Our Price: $1,675.00

Detailed Description

STX 165 integrates with the most popular UAT systems and sends the transponders squawk code directly from the STX-165 to the UAT transceiver eliminating the need to enter the squawk code twice and reducing code setting errors. This panel mount transponder uses a 1/2 3ATI panel cutout. It boasts a bright OLED display that is readable in any lighting conditions and automatically dims for nighttime operations. The solid state design provides 200 watts nominal output with no warm-up time, while power requirements remain minimal.


  • Simplified installation with a built-in encoder
  • ADS-B Compatible with UAT 978 systems
  • Three function timer includes elapsed time, up timer, and down timer
  • Optional outside air temperature (OAT) input displays air temperature, density altitude, and icing alerts with the STP 78 OAT probe (recommended and sold separately)
  • Compact and lightweightweighs only 1.3 lb
  • Ideal for LSA, glider, and UAV operations with a low current requirement
  • DO160F, DO 178B level C, TSO C74d, TSO D88b (encoder) certified
  • Connector kit is supplied with the unit

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