The Comant CI 105-17-L is a high-performance L-band blade antenna designed to support a wide range of aircraft surveillance and transponder functions. It is suitable for ADS-B In and ADS-B Out installations, as well as Mode A, C, and S transponders, TIS-B, UAT, DME, and ATCRBS systems.
Featuring a single RF connector, the CI 105-17-L provides a compact and efficient external antenna solution for modern avionics installations. Its blade-style design offers an aerodynamic profile while delivering reliable RF performance across the required L-band frequencies used by surveillance and transponder equipment.
Manufactured by Comant to meet aviation environmental and performance standards, the CI 105-17-L is intended for permanent external aircraft installation. When installed in accordance with applicable aircraft approval data and avionics manufacturer instructions, it provides dependable signal performance for compliant ADS-B and transponder system operation.
Key Features
- Includes a TNC connector
- Holds 5 different TSO’s
- Specially for receiving ADS-B In benefits like traffic, weather, etc.
- Covers ADS-B In/Out across 1090 ES and 978, DME, and backwards compatible with Mode S
- 6 hole mounting pattern for robustness; great for helicopter installations




















Reviews
Clear filtersThere are no reviews yet.