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Garmin GTX 33 and GTX 33D Mode S Transponders
GTX 33
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The GTX33 / GTX33D Remote Mounts are Mode S, IFR-certified transponders with datalink capability, including local traffic updates. Now, from the comfort of your aircraft, you can receive FAA Traffic Information Services (TIS), including location, direction, altitude, and climb/descent information of nearby aircraft on your GNS 480, G600, or G900X. The result is improved communication between aircraft and air traffic control (ATC), providing U.S. pilots with greater traffic awareness in busy terminal areas.

The solid state design of these transponders increases efficiency by using less power, creating less heat emissions, and eliminating warm-up time. Other features include remote ident and auto standby, plus altitude monitor with voice alerting.

The GTX33D contains all of the features of the GTX33, and adds antenna diversity for improved visibility to TCAS-equipped aircraft flying above you.

Together, the functionality of the GTX33 / GTX33D, used with the innovative GNS 480, represents a whole new standard in transponder utility.

Please note: The GTX33 and GTX33D both meet the requirements of Level 2 Mode-S to satisfy the upcoming European Mode-S mandate for Elementary Surveillance.

Specifications

Performance

  • TSO compliance: C112
  • Temperature range: -20°C to +55°C
  • Altitude: 55,000 feet
  • Transmitter frequency: 1090 MHz
  • Transmitter power: 250 watts nominal at unit
  • Receiver frequency: 1030 MHz
  • Receiver sensitivity: -74dBm nominal for 90% replies
  • Mode A capability: 4096 ident codes
  • Mode C capability: 25 foot resolution with suitable serial data from -1000 to 62,700 feet
  • External Suppression Input: Lo = 0.5V; High = 8V

Physical

  • Weight: 4.31 lbs. (1.95 kg) installed with remote rack and connectors
  • Dimensions:
Remote mount rack width 1.78" (45 mm)
Remote mount rack height 6.92" (176 mm)
Remote mount rack depth 11.05" (281 mm) behind panel, with connectors

Power

  • Power requirements: 11.0 to 33.0 VDC (Typical power input: 27 watts)

Specifications are subject to change without notice.