The RAMI AV-530 is designed for broadband communications. The antenna has a die-cast aluminum base and a tapered stainless steel whip for less drag at higher airspeeds. It is supplied with a weather-sealing gasket and mounting hardware. The antenna is designed to operate at speeds up to 350 mph and altitudes up to 50,000 ft. It has a drag force of 1.65 lb @ 250 mph. This antenna is a direct replacement for the COMANT CI 292-1. Product Specifications: Model    AV-530 Application    Airborne Communications Frequency    118 – 137 MHz Impedance    50 Ohms Nominal VSWR    2.5:1 Maximum Polarization    Vertical Pattern    Omni-Directional Connector    “BNC” Female Max Height    22.75″ RF Power Capacity    25 Watts FAA TSO    C37d, C38d