David Clark Company Series 9900 Wireless Headset Communication Systems is designed to provide maximum freedom and mobility, without being tethered to the vessel. Communication is clear and safety is dramatically improved. Ideal for a wide variety of work boats, tugs, towboats, barges, ferries, harbor patrol and Coast Guard vessels, as well as go-fast and high-performance watercraft. Series 9900 systems consist of weather-tight components including noise-attenuating headsets, gateways…