TC-201A TCAS/Transponder Directional Antenna Coupler


The TC-201A TCAS / Transponder Directional Antenna Coupler builds on the VIAVI industry-leading expertise in avionics testing equipment. This newest coupler is used on directional TCAS and combined TCAS / Transponder antennas to shield the RF signal during testing of the TCAS or transponder system.

The TC-201A, when used with the IFR6000IFR6015, or APM-424(V)5 supports maintenance testing in the airborne condition without interfering with air traffic control or nearby aircraft.

  • Accommodates both phase and amplitude type antennas
  • Reliable, FAR Part 43, Appendix F, ERP and MTL testing in high multi-path environments
  • Provides >20 dB of isolation
  • Provides shielding for all transponder and ADS-B performance testing
  • Lower antenna adjustable support pole
  • Perform four-quadrant testing by simply rotating the bearing selector dial
  • TCAS bearing accuracy < 10 degrees


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