The RAMI AV-529 is designed for broadband communications (118-137 MHz). It has a die-cast aluminum base and a uniquely designed radiator encapsulated in a fiberglass whip. The antenna is supplied with a weather-sealing gasket and mounting hardware. The antenna is designed to operate at speeds up to 350 mph and altitudes of 50,000 ft. It has a drag force of 3.43 lb @ 250 mph. The antenna is a direct replacement for the COMANT CI 291. Product Specifications: Model    AV-529 Application    Airborne Communications Frequency    118 – 137 MHz Impedance    50 Ohms Nominal VSWR    1.8:1 Maximum Polarization    Vertical Pattern    Omni-Directional Connector    “BNC” Female Max Height    22″ RF Power Capacity    25 Watts FAA TSO    C37d, C38d