CI 408-20 Non-WAAS GPS Antenna | 1575.42 MHz, 50 Ω, 27 dB Gain, TNC Female Connector 452-013002 but what does it mean

but what does it mean

Ideal for convenient note taking

equipment and procedures

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

CI 408-20 Non-WAAS GPS Antenna | 1575.42 MHz, 50 Ω, 27 dB Gain, TNC Female Connector 452-013002 but what does it meanThe 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.