Rugged metal edges provide erosion resistance; flush glass fiber housings ensure smooth airflow and reduced drag; and each assembly is foam-filled for maximum reliability.
The N4-15 is intended, primarily, for new aircraft installations, but can be installed, as a retrofit, when dual-antenna capability is required.
The N4-33 is intended for retrofit, or antenna modifications, on existing aircraft and is designed for ease of installation. Dual-antenna capability can be obtained by using a Hybrid Coupler (H21 series).
