The LINDY CAT5 Fire Wire Extender can be used to extend the distance between two Fire Wire devices by up to 75m. Consisting of a local unit & a remote unit the Extenders can be used to connect Fire Wire 800 devices, or with the use of the supplied adapter cables Fire Wire 400 equipment. Standard, low cost CAT5 or higher cable (not included) is used to connect the two units together, along with the supplied RJ-45 crossover adapter.