Raymarine SeaTalk hs Network Switch, The Raymarine E55058 SeaTalk hs network switch is marine engineered for reliable performance. This smart auto-sensing switch delivers full duplex network switching at 100 megabits per second, ensuring fast and reliable onboard networking. Connects from 3-8 SeaTalk hs network devices at a time. E55058 Features: SeaTalk hs Network Switch, Part Number: E55058, Connects 3 to 8 SeaTalk hs Devices « less