The VS-30FW 3-Port FireWire-800 Repeater/Hub from Comprehensive / Kramer is a bi-directional hub and repeater that allows you to increase your available FireWire-800 ports while at the same time allowing you to double the maximum length of transmission from 14.75' (4.5 m) to 29.5' (9 m). The hub and repeater is a great option for anyone who needs to expand their computer's FireWire-800 capabilities or to increase the length between their computer and FireWire-800 peripheral device.