The AERO Iridium Antenna AT1621-15 is an Iridium frequency Pole Mount Antenna for Fixed Base and Maritime applications. All Iridium-based voice and data communications devices are compatible with the AT1621-15. The antenna cable connection is protected from the elements by being located inside the antenna. You can always count on AERO to produce new products that add additional features to an already cutting-edge collection of devices. AERO goods also outperform the competition when used with the appropriate devices. AERO antennas help ensure that your communication solution is ready to keep you connected while yet staying within the scope of your service.