The new RSNET family of HDMI extenders feature locking HDMI ports, USB ports for in-field firmware updates and captive screw connectors for IR, RS-232 and RJ45 Ethernet connectors. Resolutions up to UltraHD (4Kx2K) and CEC pass-through are also supported by the devices. Along with 3D, the RSNET family transmits all embedded audio signals including Dolby TrueHD and DTS-HD Master Audio. Convenient captive-screw terminations for control and power (24 vdc on HDTX and PoCc on HDRX).
Here are the specs: http://www.atlona.com