Iridium Communications (formerly known as GHL Acquisition) is a company providing satellite communications services and products. It operates low-Earth orbiting, cross-linked satellites to deliver voice and data communications services. Additionally, it offers satellite phones, broadband terminals, external antennas, docking stations, messengers, trackers, and other equipment. The company caters to personal communications, transportation and delivery, industrial, government, aviation, maritime, emergency, research, polar, autonomous systems, and energy markets.