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4K HDMI Extender over HDBase-T with USB and RS232

Extend a 4Kx2K HDMI display, USB 2.0 device and RS232 up to 328 feet away from the source.

XTENDEX® ST-C6USB4K-HDBT (Local & Remote Unit)
  • HDMI Extender for use with Digital Signage

The XTENDEX® 4K HDMI Extender over HDBase-T with USB and RS232 transmits uncompressed digital 4Kx2K HDMI signal, USB and RS232 up to 328 feet over a single CATx cable using HDBase-T technology. Each extender consists of a local unit that connects to a computer and a remote unit that connects to a UHD HDMI display and USB 2.0 device.

The XTENDEX® 4K HDMI Extender over HDBase-T with USB and RS232 transmits uncompressed digital 4Kx2K HDMI signal, USB and RS232 up to 328 feet over a single CATx cable using HDBase-T technology. Each extender consists of a local unit that connects to a computer and a remote unit that connects to a UHD HDMI display and USB 2.0 device.


  • Transmits an uncompressed high speed HDMI signal over one CAT5e/6/7 cable.
  • Supports Ultra-HD 4Kx2K resolutions to 3840x2160, 2K resolution 2048x1080, HDTV resolutions to 1080p, and up to 1920x1200 (WUXGA).
  • HDMI features supported:
    • x.v.Color, sYCC601 color, Adobe RGB Color and Adobe YCC601 color
    • Dolby TrueHD, DTS-HD Master Audio, Dolby Digital, and DTS
    • Bandwidth up to 340 MHz (10.2 Gbps).
    • Support for CEC (consumer electronic control) compatible devices.
    • 3D
    • Lip Sync
  • HDCP compliant.
  • Supports the DDC2B protocol.
  • USB 2.0 port for keyboard, mouse, flash drive, HDD, or touchscreen display.
    • Compliant with USB 2.0 (low/full/high speed) standards.
    • Use a USB hub to extend multiple USB devices.
  • Supports full-duplex RS232 up to 115200 baud.
  • Compact size.
  • Optional mounting bracket for easy surface/wall mounting.
Local Unit
  • Compatible with a USB computer (PC, SUN and MAC) with Ultra-HD HDMI output.
  • Multiplatform support: Windows 2000/XP/Vista/7/8/10, Windows Server 2000/2003/2008/2012, Solaris, Linux, FreeBSD, and MAC OS 9/10.
  • One female HDMI connector.
  • One female USB Type Mini B connector.
  • 3-pin screw terminal for RS232.
  • One female RJ45 port for sending/receiving UHD video, audio, USB, RS232 and DDC signals.
Remote Unit
  • One female HDMI connector for display.
  • One female USB Type Mini B connector for connecting USB keyboard, mouse, flash drive, HDD, or touchscreen display.
    • Use a USB hub to extend multiple USB devices.
  • 3-pin screw terminal for RS232.
    • Support full-duplex RS232 up to 115200 baud.
  • Supported video resolutions:
    • Ultra-HD 4Kx2K resolutions:
      • 3840x2160 at 60Hz, 4:2:0
      • 3840x2160 at 30Hz, 4:4:4
    • 2K Cinema (2048x1080 at 60Hz)
    • HDTV resolutions to 1080p
    • Up to 1920x1200 (WUXGA)
  • Supports embedded digital audio through HDMI compatible TVs or audio receivers.
  • Dimensions
    • WxDxH (in): 1.73x2.87x0.98 (44x73x25mm)
    Power
    • Local and remote unit:
      • Input: 100 to 240 VAC at 50 or 60 Hz via AC adapter. (US AC adapter included.)
      • Output: 5VDC, 2A
    Environmental
    • Operating temperature: 32 to 122°F (0 to 50°C).
    • Storage temperature: -4 to 167°F (-20 to 75°C).
    • Operating and storage relative humidity: 5 to 95% non-condensing RH.
    Regulatory Approvals
    • CE, FCC, RoHS
    • TAA compliant.
    Warranty
    • Two years
    Max Distance
    • 328 feet (100 meters) over CAT5e/6/7 cable.
    Cables
    • Use HD-xx-MM to connect an HDMI source or display.
      • Max HDMI cable length: 30 feet.
    • Use CAT5e/6/6a/7 solid straight through cables for TIA/EIA 568B wiring terminated with standard RJ45 connectors.
    • Cables not included.
    Optional VESA Mounting Bracket
    • Use to mount the remote unit to the back of a flat panel monitor.
    • Compliant to VESA 75 and 100 mm (3 and 3.9 in) mounting hole patterns.
    Distances and Resolutions for CAT5e/6/6a/7 Cables
    Cable Distance Maximum Resolution
    CAT5e328 feet (100 meters) 1080p at 60Hz
    295 feet (90 meters) 3840x2160 at 60Hz, 4:2:0
    3840x2160 at 30Hz, 4:4:4
    CAT6/6a/7328 feet (100 meters) 3840x2160 at 60Hz, 4:2:0
    3840x2160 at 30Hz, 4:4:4

    Application Drawings

    • How to extend a 4Kx2K HDMI display, USB 2.0 device and RS232 up to 328 feet away from the source
      4K HDMI Extender over HDBase-T with USB and RS232
    • "The ST-C6USB4K-HDBT is a good looking box, and it worked as intended and quickly. Other KVM's took several seconds to establish HDMI video, and this one did it almost instantly. Very responsive, which gives us good confidence in this product."

      Sean C.
      ProCustom Group
      Azusa, CA

    4K HDMI Extender over HDBase-T with USB and RS232

    NTI Part # Description Price Quote Buy
    ST-C6USB4K-HDBT 4K HDMI Extender over HDBase-T with USB and RS232 $795.00
    MK-STC6USB4KHDBT VESA Mounting Bracket for ST-C6USB4K-HDBT Remote Unit $45.00

    HDMI Male-Male Cable

    NTI Part # Length Price Quote Buy
    HD-3-MM 3 feet $3.25
    HD-6-MM 6 feet $4.35
    HD-10-MM 10 feet $5.00
    HD-15-MM 15 feet $7.50
    HD-20-MM 20 feet $9.75
    HD-30-MM 30 feet $22.00

    USB 2.0 Cables, Male A to Male Mini-B 5-Pin

    NTI Part # Length Price Quote Buy
    USB2-ABM5-1-MM 1 foot $1.28
    USB2-ABM5-3-MM 3 feet $1.40
    USB2-ABM5-6-MM 6 feet $1.92
    USB2-ABM5-10-MM 10 feet $2.84
    USB2-ABM5-15-MM 15 feet $3.72

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    PWR-UNVBS1363 Universal BS 1363 Power Adapter for UK, Iraq $5.00
    PWR-UNVBS546-D Universal BS 546 Type D Power Adapter for India, Parts of Africa $6.00
    PWR-UNVBS546-M Universal BS 546 Type M Power Adapter for South Africa $6.00
    PWR-UNVCEI2350 Universal CEI 23-50 Power Adapter for Italy, Uruguay $4.60
    PWR-UNVCEE716 Universal Europlug CEE 7/16 Power Adapter for Europe, Russia, UAE $5.00
    PWR-UNVCEE77 Universal Schuko CEE 7/7 Power Adapter for Europe $5.50
    PWR-UNVSEV1011 Universal SEV 1011 Power Adapter for Switzerland $6.00
    PWR-UNVSI32 Universal SI 32 Power Adapter for Israel, Palestine $5.00