NOS New open box Acquired from Hollywood Studio the FireWire Extender from Gefen allows you to transmit FireWire-800 or FireWire-400 data signals over 2-strand LC-LC fiber optic cable. This cable supports runs of up to 1640' (500 m), making it an ideal solution for remotely locating FireWire devices. This kit includes a transmitter, receiver, power supply, and FireWire cables; the required fiber optic cabling is not included. Extend FireWire via Fiber Optic This kit enables you to extend FireWire data signals over distances of up to 1640' (500 m) via fiber optic cable. Because of its high bandwidth, your remotely located device functions with no signal degradation or time lag. Cross Platform Compatibility The device works with any operating system that supports FireWire. These include both Windows and Mac OS X. It is compatible with both the FireWire-800 and FireWire-400 protocols.