The 671T is a high-performance fiber optic transmitter for DVI signals. The unit converts a DVI signal to light pulses that are transmitted over one single fiber optic cable to the 671R receiver that converts them back to a DVI signal. Compatible with the Kramer 671 Receiver. Max. Data Rate: 4.95Gbps; HDCP Compliant; HDTV Compatible; HDMI Support; System Range: 5570'