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ROCKWELL COLLINS TTR-920 622-8971-122

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Purchase Availability

Condition List PriceAvailabilityQuantity
Overhaul Exchange Request Quote 2 in-stock
Serviceable Exchange Request Quote 4 in-stock
New Outright DocumentationRequest Quote Check Availability
New Surplus Outright Request Quote Check Availability
Overhauled Outright Request Quote Check Availability
Serviceable Outright Request Quote Check Availability
As Removed Outright Request Quote 1 in-stock


  • Transmitter-Receiver does computing and interfacing with other components of the TCAS-94 system
  • The receiver has 4 individual directional segments for the directional antenna
  • The transmitter is a 6 stage solid state circuit that develops 1800 watts
  • The signal processor and CPU provide control and analysis for system operation
  • The input/output interface circuits has a CPU to control operation and communicate with the external TCAS equipment


  • 7.64 in (194 mm) H x 7.77 in (194.6 mm) W x 15.26 in (387.6 mm) L
  • TTR-920- 19.8 lbs (9.0 kg) TTR921- 18.5 lbs (8.4 kg)
  • 28 +/-20% Vdc 115 Vac
  • 2.8 Amps (nominal)
  • 1090 +/-3 MHz
  • 1030 +/-0.01 MHz
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