The TC-201 Antenna Coupler is used on TCAS and combined TCAS and transponder directional antennas, to shield the RF signal during testing of the TCAS or transponder system. 

• OEM PN:: 140889
• TOMX PN:: NA
• Tooling Label Color: RED
• TOOL TAG: NA
• Validation Docs: NA
• Technical Information: https://www.viavisolutions.com/es-es/literature/tc-201-tcas-transponder-antenna-coupler-brochures-en.pdf
• LOCATION TOOL: Warehouse