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SKU: ATZ HDMI4K-EM120RX Category:



HDMI4K+USB KVM Extender over IP / Fiber w/RS232 (Receiver)

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The 4K HDMI & USB over IP Extender is a solution for audio, video and USB signal extension via Local Area Network (LAN). It can be used as audio, video and KVM extender over IP and applied to point to point,

point to multi-point, multi-point to multi-point and screen wall broadcast system controlled by USB, RS232, IR and configured the 4K HDMI & USB over IP Extender by web browser. An easy installation system built up with Giga Ethernet switch which has IGMP function and CATx cable for extension or broadcast.


  • 4K UHD HDMI over IP extension
  • USB 2.0 over IP extension
  • RS232 bi-directional extension and RS232 control
  • 4 bits switch for 16 stream channel selection
  • Support Dolby True HD, DTS-HD Master Audio
  • Support two way Wide Band IR extension (38khz-56khz)
  • Transmit over single Cat5e/6 cable up to 120m
  • Transmitter over Fiber Optical cable up to 60km (Single Mode)
  • Networking environment under Giga Ethernet switch and CAT5e cable
  • Point to point extension, Unicast, Multicast and Video Wall system (Max 8×16)
  • Output video rotation
  • Output video partial enlargement
  • HDCP 1.4 compliant
Protocol TCP, UDP, RTSP, RTP, DHCP, IGMP, Multicast, IPV4
Support Video format 4K@30HZ, 1080P/1080i/720P/576P/576i/480P/480i
Support Audio format Stereo 192Kbps
HDCP Compliant
IR Frequency 38 -56 KHZ
RS232 Baud rate Default 115200bps, total 8 kinds optional
IP setting &Group ID setting
Default IP Automatic allocation
Group ID (Group 00 ~ group 15) by DIP Switch
Request for Switch/Router Support IGMP, support DHCP
Connectors on Transmitter
Input 1xHDMI Female port, 1xUSB B type
Output 1x RJ45 output, 1x Fiber output
RS232 Phoenix RS232 port
IR 1x IR TX port; 1x IR RX port

Support 38K-56KHz

Connectors on Receiver
Input 1xRJ45 input, 1x Fiber input
Output 1x HDMI Female port, 2x USB A type
RS232 Phoenix RS232 port
IR 1x IR TX port; 1x IR RX port

Support 38K-56KHz

Environmental & Power Requirements
Operating temperature -5 to +35 ℃ (+23 to +95℉)
Operating Humidity Range 5 to 90%RH (No Condensation)
Power supply DC 5V
Power consumption Max 3 watt