BlueCosmo Iridium Fixed Mast Antenna U-Bolt Mount For use with the Iridium Extreme, Iridium 9555, Iridium 9505A, Iridium 9500, or any other passive Iridium device (Antenna Adapter may be required) Completely sealed and designed for connection to a 1 inch pipe, TNC connector Ideal for marine or land based communications Mast and cable not included