CI 408-20 Non-WAAS GPS Antenna | 1575.42 MHz, 50 Ω, 27 dB Gain, TNC Female Connector 452-013002 and provides the required drive

and provides the required drive signals to tune the antenna via the parallel bus at the output connector

equipment and procedures

but what does it mean

The cover is a plastic disk with a suction cup that allows attachment and masking of most general aviation flight instruments

This Coax Cable Assembly (EDMO# 20000039-3) has BNC to BNC connections and is 2

CI 408-20 Non-WAAS GPS Antenna | 1575.42 MHz, 50 Ω, 27 dB Gain, TNC Female Connector 452-013002 and provides the required driveThe CI 408 20 antenna (EDMO# CI 408 20) four through hole mount style non WAAS GPS round antenna with a TNC port. This antenna is GPS C144 certified for class 1 LNAV approaches (lateral navigation only) and is designed to be used with 27 dB gain GPS panel mount systems. It is suitable for top mounting on both light and heavy fixed wing single engine and multi engine aircraft and business jets.