{"product_id":"st-nehb100hcu3k-4k-hdmi-extender-hdmi-c","title":"ST-NEHB100HCU3K 4K HDMI Extender | HDBaseT 3.0 USB-C","description":"\u003cstyle\u003e\n  .amp-spec-wrap { width: 80%; margin: 0 auto; font-family: Arial, sans-serif; font-size: 14px; color: #222; }\n  .amp-spec-wrap h2 { font-size: 16px; margin: 28px 0 8px; border-bottom: 2px solid #222; padding-bottom: 4px; text-align: center; }\n  .amp-spec-wrap h3 { font-size: 14px; margin: 18px 0 6px; }\n  .amp-spec-wrap table { width: 100%; border-collapse: collapse; margin: 0 auto 12px auto; font-size: 12px; }\n  .amp-spec-wrap th { background: #333; color: #fff; text-align: left; padding: 4px 7px; font-size: 12px; }\n  .amp-spec-wrap td { padding: 4px 7px; border: 1px solid #ccc; vertical-align: top; }\n  .amp-spec-wrap tr:nth-child(even) td { background: #f5f5f5; }\n  .amp-spec-wrap .group td { background: #e0e0e0; font-weight: bold; font-size: 12px; }\n  .amp-spec-wrap td:first-child { font-weight: bold; width: 35%; }\n\n   ── IMAGE SIZING ── adjust width values to resize each image ── ,\n  .amp-spec-wrap img { display: block; margin: 8px auto; height: auto; }\n  .amp-spec-wrap .img-transmitter   { width: 75%; }\n  .amp-spec-wrap .img-receiver      { width: 75%; }\n  .amp-spec-wrap .img-ir-cable      { width: 75%; }\n  .amp-spec-wrap .img-app-example   { width: 75%; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"amp-spec-wrap\"\u003e\n\u003cp\u003eST-NEHB100HCU3K 4K HDMI Extender delivers reliable HDMI, USB-C, USB, RS-232, IR, and Ethernet extension over HDBaseT 3.0 technology. The ST-NEHB100HCU3K 4K HDMI Extender is designed for conference rooms, classrooms, corporate offices, digital signage, control centers, and professional AV installations. With 4K UHD video, HDR support, advanced EDID management, and Power over Cable (PoC), the ST-NEHB100HCU3K 4K HDMI Extender ensures stable long-distance signal transmission and dependable performance for commercial AV applications. Choose the ST-NEHB100HCU3K 4K HDMI Extender for professional AV systems requiring reliable 4K video extension, USB connectivity, HDBaseT 3.0 technology, and dependable long-distance signal distribution.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eST-NEHB100HCU3K 4K HDMI Extender Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe ST-NEHB100HCU3K 4K HDMI Extender provides the following professional AV features.\u003c\/p\u003e\n\u003cp\u003e☆ Compliant with HDCP 2.3, 18Gbps video bandwidth\u003cbr\u003e☆ HDBaseT 3.0 VS3000 chipset based design\u003cbr\u003e☆ Support video resolution up to 4K2K@60Hz (YUV 4:4:4) as specified in HDMI 2.0b\u003cbr\u003e☆ 4K60\/4K30\/1080P signal transmission distance up to 328ft\/100m via a single CAT6A\/7 cable (HDBT Standard Mode)\u003cbr\u003e☆ 1080P 8bit signal transmission distance up to 492ft\/150m via a single CAT6A\/7 cable (HDBT Long Reach Mode)\u003cbr\u003e☆ TX features with 1x HDMI input, 1x USB-C input, 1x HDBT output, 1x USB 2.0 host and 3x USB 2.0 clients\u003cbr\u003e☆ RX features with 1x HDMI output, 2x USB 2.0 clients\u003cbr\u003e☆ USB-C and HDMI signal inputs support auto or manual switching mode\u003cbr\u003e☆ Auto switching supports HDMI 5V or signal detect selection\u003cbr\u003e☆ USB-C supports DP-ALT mode for A\/V, USB 2.0 data and power charging up to 60 watts\u003cbr\u003e☆ HDR, HDR10, HDR10+, Dolby Vision LLM and HLG pass-through\u003cbr\u003e☆ 4K to 1080p downscaling on HDMI output, no frame rate conversion\u003cbr\u003e☆ Both TX and RX support analog audio de-embedding\u003cbr\u003e☆ RS-232 signal pass-through and guest-mode control\u003cbr\u003e☆ Support bi-directional IR signal pass-through and USB 2.0 signal transmission\u003cbr\u003e☆ Advanced EDID management\u003cbr\u003e☆ Each USB-A port provides power up to 5V\/500mA\u003cbr\u003e☆ Support bi-directional 24V POC with POC switch\u003cbr\u003e☆ Compact design for easy and flexible installation\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eST-NEHB100HCU3K 4K HDMI Extender Package Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e① 1x 18Gbps HDMI\/USB-C over HDBaseT 3.0 Extender (Transmitter)\u003cbr\u003e② 1x 18Gbps HDMI\/USB-C over HDBaseT 3.0 Extender (Receiver)\u003cbr\u003e③ 1x IR Blaster Cable (1.5 meters)\u003cbr\u003e④ 1x IR Wideband Receiver Cable (1.5 meters)\u003cbr\u003e⑤ 2x 3pin-3.81mm Phoenix Connector (male)\u003cbr\u003e⑥ 4x Mounting Ear\u003cbr\u003e⑦ 8x Machine Screw (KM3×4)\u003cbr\u003e⑧ 1x 24V\/3.75A Desktop Power Supply\u003cbr\u003e⑨ 1x User Manual\u003c\/p\u003e\n\u003ch2\u003eST-NEHB100HCU3K 4K HDMI Extender Specifications\u003c\/h2\u003e\n\u003cp\u003eThe technical specifications of the ST-NEHB100HCU3K 4K HDMI Extender are listed below.\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003eTechnical\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHDMI Compliance\u003c\/td\u003e\n\u003ctd\u003eHDMI 2.0b\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHDCP Compliance\u003c\/td\u003e\n\u003ctd\u003eHDCP 2.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Compliance\u003c\/td\u003e\n\u003ctd\u003eUSB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVideo Bandwidth\u003c\/td\u003e\n\u003ctd\u003e18Gbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVideo Resolution\u003c\/td\u003e\n\u003ctd\u003eUp to 4K@60Hz 4:4:4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor Space\u003c\/td\u003e\n\u003ctd\u003eRGB, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor Depth\u003c\/td\u003e\n\u003ctd\u003e8\/10\/12bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHDR\u003c\/td\u003e\n\u003ctd\u003eHDR, HDR10, HDR10+, Dolby Vision, HLG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Formats\u003c\/td\u003e\n\u003ctd\u003eHDMI\/USB-C\/HDBT: LPCM 2\/5.1\/7.1CH, Dolby Digital\/Plus\/EX, Dolby TrueHD, DTS, DTS-EX, DTS-96\/24, DTS High Res, DTS-HD Master Audio, DSD\u003cbr\u003e3.5mm Analog Audio: LPCM 2CH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd\u003eHDBT Standard Mode (4K60\/4K30\/1080P): 328ft\/100m (CAT6A\/7)\u003cbr\u003eHDBT Long Reach Mode (1080P 8bit): 492ft\/150m (CAT6A\/7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHDMI Cable Length\u003c\/td\u003e\n\u003ctd\u003e4K60: 26ft\/8m\u003cbr\u003e4K24: 39ft\/12m\u003cbr\u003e1080P60: 50ft\/15m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIR Level\u003c\/td\u003e\n\u003ctd\u003e12Vp-p\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIR Frequency\u003c\/td\u003e\n\u003ctd\u003eWideband 20K–60KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESD Protection\u003c\/td\u003e\n\u003ctd\u003eIEC 61000-4-2: ±8kV (Air-gap discharge), ±4kV (Contact discharge)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003eConnection\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Input\u003c\/td\u003e\n\u003ctd\u003e1x HDMI IN [Type A, 19-pin female]\u003cbr\u003e1x USB-C IN [USB Type C, 24-pin female]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Output\u003c\/td\u003e\n\u003ctd\u003e1x HDBaseT OUT [RJ45, 8-pin female]\u003cbr\u003e1x L\/R OUT [3.5mm Stereo Mini-jack]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Control\u003c\/td\u003e\n\u003ctd\u003e1x IR IN [3.5mm Stereo Mini-jack]\u003cbr\u003e1x IR OUT [3.5mm Stereo Mini-jack]\u003cbr\u003e1x RS-232 [3pin-3.81mm phoenix connector]\u003cbr\u003e1x SERVICE [Micro USB, 5-pin female]\u003cbr\u003e1x USB HOST [USB Type B, 4-pin female]\u003cbr\u003e3x USB Device [USB Type A, 4-pin female]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver Input\u003c\/td\u003e\n\u003ctd\u003e1x HDBaseT IN [RJ45, 8-pin female]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver Output\u003c\/td\u003e\n\u003ctd\u003e1x HDMI OUT [Type A, 19-pin female]\u003cbr\u003e1x L\/R OUT [3.5mm Stereo Mini-jack]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver Control\u003c\/td\u003e\n\u003ctd\u003e1x IR IN [3.5mm Stereo Mini-jack]\u003cbr\u003e1x IR OUT [3.5mm Stereo Mini-jack]\u003cbr\u003e1x RS-232 [3pin-3.81mm phoenix connector]\u003cbr\u003e1x SERVICE [Micro USB, 5-pin female]\u003cbr\u003e2x USB Device [USB Type A, 4-pin female]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003eMechanical\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eMetal Enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eTransmitter: 170mm [W] × 102mm [D] × 22mm [H]\u003cbr\u003eReceiver: 144mm [W] × 78mm [D] × 23mm [H]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eTransmitter: 484g \/ Receiver: 318g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eInput: AC 100–240V 50\/60Hz, Output: DC 24V\/3.75A (US\/EU standards, CE\/FCC\/UL certified)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption (Max)\u003c\/td\u003e\n\u003ctd\u003e94.32W (Power supply from TX, 60W USB-C charging, POC to RX)\u003cbr\u003e10.8W (Power supply from TX or RX, without USB-C charging)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C ~ 40°C \/ 32°F ~ 104°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C ~ 60°C \/ -4°F ~ 140°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e20% ~ 90% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eST-NEHB100HCU3K 4K HDMI Extender Operation Controls and Functions\u003c\/h2\u003e\n\u003ch3\u003eST-NEHB100HCU3K 4K HDMI Extender Transmitter\u003c\/h3\u003e\n\u003cimg class=\"img-transmitter\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/8144\/3559\/files\/Screenshot_2026-06-23_122902.png?v=1782209201\" alt=\"Transmitter Panel\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"width:8%;\"\u003eNo.\u003c\/th\u003e\n\u003cth style=\"width:22%;\"\u003eName\u003c\/th\u003e\n\u003cth\u003eFunction Description\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003ePower LED (Red)\u003c\/td\u003e\n\u003ctd\u003eRed LED indicates that the transmitter is powered on.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eLINK LED (Green)\u003c\/td\u003e\n\u003ctd\u003eLight on: Transmitter and receiver are in good connection status.\u003cbr\u003eLight flashing: Transmitter and receiver are in poor connection status.\u003cbr\u003eLight off: Transmitter and receiver are not connected.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eUSB-C LED (Green)\u003c\/td\u003e\n\u003ctd\u003eWhen the USB-C IN port is selected as the video signal input channel, the USB-C LED will be on.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eHDMI LED (Green)\u003c\/td\u003e\n\u003ctd\u003eWhen the HDMI IN port is selected as the video signal input channel, the HDMI LED will be on.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eSELECT Button\u003c\/td\u003e\n\u003ctd\u003ePress this button to switch between HDMI and USB-C signal input.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eMODE Switch\u003c\/td\u003e\n\u003ctd\u003eSwitch to \"STD\": HDBT Standard Mode (factory default) — extends 4K60\/4K30\/1080P up to 100m via CAT6A\/7.\u003cbr\u003eSwitch to \"LRM\": HDBT Long Reach Mode — extends 1080P 8bit up to 150m via CAT6A\/7.\u003cbr\u003e\u003cem\u003eNote: In Long Reach Mode, USB 2.0 devices cannot be transmitted; only USB HID devices (mouse, keyboard) are supported.\u003c\/em\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eEDID DIP Switch\u003c\/td\u003e\n\u003ctd\u003eUsed for EDID setting:\u003cbr\u003e00 – Copy display's EDID (factory default)\u003cbr\u003e01 – 4K30 4:4:4\u003cbr\u003e10 – 1080p60 4:4:4\u003cbr\u003e11 – 1200p60 4:4:4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eUSB Device Ports (1–3)\u003c\/td\u003e\n\u003ctd\u003eThree USB extension ports connected to mouse, keyboard, USB Flash Drive or other USB devices. Maximum power supply: 5V\/500mA per port.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003eSERVICE Port\u003c\/td\u003e\n\u003ctd\u003eFirmware update and API command control port (Micro USB).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eUSB-C Port\u003c\/td\u003e\n\u003ctd\u003eUSB Type C port with three functions: (1) USB-C video signal input, connected to source device. (2) USB-C host port for USB 2.0 signal transmission when USB-C is selected as input. (3) USB-C charging port — provides 60W charging only when TX is connected to the 24V\/3.75A power supply.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003eUSB HOST\u003c\/td\u003e\n\u003ctd\u003eUSB host port, connected to PC. Follows the HDMI IN port — when HDMI IN is selected as input, USB 2.0 signal can only be output through this port.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003eHDMI IN\u003c\/td\u003e\n\u003ctd\u003eHDMI signal input port, connected to HDMI source device.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003eLink Signal Indicator (Green)\u003c\/td\u003e\n\u003ctd\u003eLight on: Transmitter and receiver are in good connection status.\u003cbr\u003eLight flashing: Poor connection status.\u003cbr\u003eLight off: Not connected.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003eData Signal Indicator (Yellow)\u003c\/td\u003e\n\u003ctd\u003eLight on: Video signal transmission with HDCP encryption.\u003cbr\u003eLight flashing: Video signal transmission without HDCP encryption.\u003cbr\u003eLight off: No video signal transmission.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003eHDBaseT OUT\u003c\/td\u003e\n\u003ctd\u003eHDBaseT output port, connected to the HDBaseT IN port of the receiver with a CAT6A\/7 cable. Used for all signal pass-through.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003eL\/R OUT\u003c\/td\u003e\n\u003ctd\u003eAnalog audio output port for audio de-embedding output.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003ctd\u003eIR IN\u003c\/td\u003e\n\u003ctd\u003eIR signal input port, connected with the IR Receiver cable.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003ctd\u003eIR OUT\u003c\/td\u003e\n\u003ctd\u003eIR signal output port, connected with the IR Blaster cable.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003eRS-232\u003c\/td\u003e\n\u003ctd\u003eRS-232 serial port, used for RS-232 command pass-through and API command control.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003eDC 24V\u003c\/td\u003e\n\u003ctd\u003eDC 24V\/3.75A power supply input port. Note: The extender supports POC — if either TX or RX is powered by the 24V adapter, the other unit does not require a separate power supply.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21\u003c\/td\u003e\n\u003ctd\u003ePOC Switch\u003c\/td\u003e\n\u003ctd\u003eUse the switch to turn the POC (Power over CAT) function on or off.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eST-NEHB100HCU3K 4K HDMI Extender Receiver Panel\u003c\/h3\u003e\n\u003cimg class=\"img-receiver\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/8144\/3559\/files\/Screenshot_2026-06-23_122933.png?v=1782209224\" alt=\"Receiver Panel\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"width:8%;\"\u003eNo.\u003c\/th\u003e\n\u003cth style=\"width:22%;\"\u003eName\u003c\/th\u003e\n\u003cth\u003eFunction Description\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003ePower LED (Red)\u003c\/td\u003e\n\u003ctd\u003eRed LED indicates that the receiver is powered on.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eLINK LED (Green)\u003c\/td\u003e\n\u003ctd\u003eLight on: Transmitter and receiver are in good connection status.\u003cbr\u003eLight flashing: Poor connection status.\u003cbr\u003eLight off: Not connected.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eIR IN\u003c\/td\u003e\n\u003ctd\u003eIR signal input port, connected with the IR Receiver cable.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eIR OUT\u003c\/td\u003e\n\u003ctd\u003eIR signal output port, connected with the IR Blaster cable.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eSERVICE Port\u003c\/td\u003e\n\u003ctd\u003eFirmware update and API command control port (Micro USB).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eHDBaseT IN\u003c\/td\u003e\n\u003ctd\u003eHDBaseT input port, connected to the HDBaseT OUT port of the transmitter with a CAT6A\/7 cable. Used for all signal pass-through.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eData Signal Indicator (Yellow)\u003c\/td\u003e\n\u003ctd\u003eLight on: Video signal transmission with HDCP encryption.\u003cbr\u003eLight flashing: Video signal transmission without HDCP encryption.\u003cbr\u003eLight off: No video signal transmission.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eLink Signal Indicator (Green)\u003c\/td\u003e\n\u003ctd\u003eLight on: Transmitter and receiver are in good connection status.\u003cbr\u003eLight flashing: Poor connection status.\u003cbr\u003eLight off: Not connected.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003eHDMI OUT\u003c\/td\u003e\n\u003ctd\u003eHDMI signal output port, connected to HDMI display device such as TV or monitor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eUSB Device Ports\u003c\/td\u003e\n\u003ctd\u003eTwo USB extension ports connected to mouse, keyboard, USB Flash Drive or other USB devices.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003eL\/R OUT\u003c\/td\u003e\n\u003ctd\u003eAnalog audio output port for audio de-embedding output.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003eRS-232\u003c\/td\u003e\n\u003ctd\u003eRS-232 serial port, used for RS-232 command pass-through and API command control.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003eDC 24V\u003c\/td\u003e\n\u003ctd\u003eDC 24V power supply input port. Note: The extender supports POC — if either TX or RX is powered by the 24V adapter, the other unit does not require a separate power supply.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003ePOC Switch\u003c\/td\u003e\n\u003ctd\u003eUse the switch to turn the POC function on or off.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eIR Pin Definition\u003c\/h2\u003e\n\u003cimg class=\"img-ir-cable\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/8144\/3559\/files\/Screenshot_2026-06-23_123004.png?v=1782209366\" alt=\"IR Cable Pin Definition\"\u003e\u003cp\u003eNote: When the angle between the IR receiver and the remote control is ±45°, the transmission distance is 0–5 meters; when the angle is ±90°, the transmission distance is 0–8 meters.\u003c\/p\u003e\n\u003ch2\u003eAPI Commands\u003c\/h2\u003e\n\u003cp\u003eThe product supports API command control via RS-232 (3-pin phoenix connector) or the SERVICE port (Micro USB). Serial port protocol: Baud rate 115200, Data bits: 8, Stop bits: 1, Parity: none. End mark: \u0026lt;CR\u0026gt;\u0026lt;LF\u0026gt;.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"width:28%;\"\u003eCommand Code\u003c\/th\u003e\n\u003cth\u003eFunction Description\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ehelp\u003c\/td\u003e\n\u003ctd\u003eGet the list of all commands\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003er fw version\u003c\/td\u003e\n\u003ctd\u003eGet firmware version\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003es reboot\u003c\/td\u003e\n\u003ctd\u003eReboot the device\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003es reset\u003c\/td\u003e\n\u003ctd\u003eReset to factory defaults\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003er status\u003c\/td\u003e\n\u003ctd\u003eGet system status (input, video, audio, HDCP, USB host, HDBT link, EDID)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003es tx input x\u003c\/td\u003e\n\u003ctd\u003eSet TX input video. x = USBC, HDMI, AVMUTE, OFF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003er tx input\u003c\/td\u003e\n\u003ctd\u003eGet TX input port selection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003es tx autoswitch x\u003c\/td\u003e\n\u003ctd\u003eSet TX auto-switching on\/off. x = ON, OFF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003er tx autoswitch\u003c\/td\u003e\n\u003ctd\u003eGet TX auto-switching status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003es tx autoswitch mode x\u003c\/td\u003e\n\u003ctd\u003eSet TX auto-switching mode. x = 0 (5V detection), 1 (signal detection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003er tx autoswitch mode\u003c\/td\u003e\n\u003ctd\u003eGet TX auto-switching mode status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003es rx downscale x\u003c\/td\u003e\n\u003ctd\u003eSet RX downscaling mode. x = AUTO (auto by display), ON (force 4K to 1080p), OFF (bypass)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003er rx downscale\u003c\/td\u003e\n\u003ctd\u003eGet RX downscaling mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003es tx audio mute x\u003c\/td\u003e\n\u003ctd\u003eSet TX de-embedding audio mute on\/off. x = ON, OFF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003er tx audio mute\u003c\/td\u003e\n\u003ctd\u003eGet TX de-embedding audio mute status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003es rx audio mute x\u003c\/td\u003e\n\u003ctd\u003eSet RX de-embedding audio mute on\/off. x = ON, OFF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003er rx audio mute\u003c\/td\u003e\n\u003ctd\u003eGet RX de-embedding audio mute status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003es edid x to y\u003c\/td\u003e\n\u003ctd\u003eSet input port EDID. x = USBC, HDMI, ALL. y = 00–11 (see EDID options: 00 DIP switch, 01 1080p Stereo, 02 WUXGA, 03 1080p HD Audio, 04 4K60 4:2:0 Stereo, 05 4K60 Stereo, 06 4K30 Stereo, 07 4K60 HD Audio, 08 4K60 HDR LPCM 6CH, 09 Copy from RX HDMI out, 10 User Defined 1, 11 User Defined 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003er edid x\u003c\/td\u003e\n\u003ctd\u003eGet input port EDID. x = USBC, HDMI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003er edid data x\u003c\/td\u003e\n\u003ctd\u003eGet input port EDID data. x = USBC, HDMI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003es user edid x \u0026lt;y\u0026gt;\u003c\/td\u003e\n\u003ctd\u003eSet user defined EDID. x = 1 or 2, y = 256 bytes EDID data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003er user edid x\u003c\/td\u003e\n\u003ctd\u003eGet user defined EDID. x = 1 or 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplication Example\u003c\/h2\u003e\n\u003cimg class=\"img-app-example\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/8144\/3559\/files\/Screenshot_2026-06-23_123057.png?v=1782209515\" alt=\"Application Example\"\u003e\n\u003c\/div\u003e","brand":"STAISON","offers":[{"title":"Default Title","offer_id":48072137310429,"sku":"ST-NEHB100HCU3K","price":0.0,"currency_code":"SAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/0410\/3901\/files\/ST-NEHB100HCU3K_transmitter_front_and_rear.jpg?v=1782210386","url":"https:\/\/www.staison.com\/products\/st-nehb100hcu3k-4k-hdmi-extender-hdmi-c","provider":"STAISON","version":"1.0","type":"link"}