IEEE-1394b External Repeater Hub supports up to 63 IEEE-1394b devices like Printer, CD-RW, DVD-RW, Digital Camera, Portable HDD, Camcorder, and etc. Each IEEE-1394b Port provides a maximum bandwidth of up to 800 Mbps. FW-300B is designed and made to be compact and portable for users who are always on-a-go or who simply just need more IEEE-1394b Ports for expansion purposes. For more details on product, Please refer to http://www.papyrus.co.il/ieee1394bexternalrepeaterhub.htm