Product picture - Kramer 4K60 4:2:0 HDMI Fiber Optic Transmitter with USB, Ethernet, RS-232, IR & Stereo Audio over HDBaseT Kramer, 4K60, 4:2:0, HDMI, Fiber, Optic, Transmitter, with, USB, Ethernet, RS-232, IR, &, Stereo, Audio, over, HDBaseT Click the image to close this page