The Comant CI 428-410 ComDat Antenna is a dual-function aviation antenna designed to support GPS WAAS and SiriusXM reception in a single, low-profile installation. By combining multiple antenna functions into one unit, it helps reduce airframe drag, simplify installations, and minimize the number of external antennas required on the aircraft.
This antenna is commonly used in modern avionics installations where reliable GPS positioning and satellite-based weather or audio services are required. Its aerodynamic form factor makes it well suited for aircraft owners and operators seeking a clean exterior appearance while supporting advanced cockpit capabilities.
Manufactured by Comant to meet aviation performance and environmental standards, the CI 428-410 is intended for permanent external aircraft installation. When installed in accordance with applicable aircraft data and avionics manufacturer requirements, it provides dependable signal performance for GPS WAAS navigation and SiriusXM reception.
Key Features
- ComDat antenna supporting GPS WAAS and SiriusXM services
- Combines multiple antenna functions into a single unit
- Low-profile, aerodynamic external antenna design
- Helps reduce airframe drag and installation complexity
- Designed for modern certified aircraft installations
- Manufactured by Comant to aviation durability standards




















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