Unibrain’s CAT5 Repeater-400™ provides a low cost solution for extending the firewire bus by using standard CAT-5e (crossover) or CAT-6 type cables.
The transmission speed can reach up to 400 Mbps at maximum length of 70 meters (~ 230 ft).

CAT5 Repeater-400™ is using the new TSB41BA3B 1394b PHY from Texas Instruments and EqCologic’s 1394b to UTP cabling equalizer. It is optimized to create long-haul IEEE 1394b-2002 connections over CAT-5 or CAT-6 at the S400 data rate, but it can also be used at S200 and S100.