Product Name : 4K HDMI Video Extender Transmitter with 8 Ports Splitter, Scaler, Local out, IR, Serial, 100M
Product No : EVBMR-1089L
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Product Description
  • Extend HDMI signal to 8 HDBaseT receivers over CATx up to 100 Meters
  • HDR 4K@60 FPS (Local) & 4K@30 FPS (HDBaseT)
  • Exclusive Auto Easy-Scaling function (4K→1080p) for ALL UHD/HD monitors EDID configuration
  • Support Deep Color, HD 3D & HD audio formats
  • 4 Way RS232 serial switch (out1~out4)
  • EDID Management / HDCP Management
  • PoC function ( Power over Cable) provide power for the remote units via CATx connection  
  • 4K 60 420
  • 4K 30
  • Bidirectional IR Extension
  • RS 232 Extension
  • IR Control
  • Easy Scaling
  • EDID Management
  • HDCP 1.4

Rextron’s EVBMR-1089L is an uncompressed 4K HDMI HDBaseT Extender Transmitter with 8 Ports Splitter, Easy Scaler, Local HDMI output, HDCP 1.4 protocol, PoC, IR, RS-232 Serial and firmware upgraded supported. The EVBMR-1089L uses Rextron’s expertise in HDBaseT technology to transmit, split and distribute a single HDMI input and controls up to eight CAT.5e/6/7 outputs with distance of 100m (330ft) at 1080P or 70m (230ft) at 4K and includes a simultaneous HDMI Local bypass output. The 12V PoC (Power over Cable) function can power compatible receivers, providing greater flexibility in installations. The product supports most popular video resolutions up to 4K, and is ideal for most demanding applications.

This product is designed with stacking 2 pieces of 4 ports HDBaseT video boards and using dual power supply units. Its PoC feature of port 1~4 allows transmission of power to the receivers; users may also connect the additional power supply unit when PoC feature is required on the port 5~8. Therefore, the unit can be worked and used as the 1x4 or 1x8 HDMI HDBaseT Transmitter Splitter. Apart from it, EVBM-1089L has internal easy scaler built-in, its output can simultaneously support 1080P and 4K displays.

The 4K HDMI HDBaseT Extender Transmitter Splitter provides comprehensive EDID management, Auto Learning mode, factory default and Copy mode, to ensure that every HDMI or computer source is displayed at the optimal resolution and format without any compatibility issue. It also enables users to copy or learn EDIDs automatically from the connected displays or monitors thru using on-panel button.

Below are Rextron’s unique EDID setting configurations thru the slide switch with 4-mode selection:

  • EDID Mode 1 (Remote Inventory): allowing copy or learn EDID from remote, dedicating on HDBaseT Output Port 1.
  • EDID Mode 2 (Local Inventory): allowing copy or learn EDID from the local HDMI output
  • EDID Mode 3: setting to 1080P resolution to ensure its picture output
  • EDID Mode 4: setting to 4K 60Hz (4:2:0) to suit the installation’s situation at the guests’ site.

The HDCP slide switch design allows users to select 2 presets HDCP modes - When setting to Auto mode it allows HDCP 2.2 or HDCP 1.x content pass-thru in most situation (Default setting); when setting to 1.4 mode it allows HDCP 1.4 content to be played. Comprising a compact Transmitter and Receiver (recommendable Receiver models: EVBMR-110R at 100M, EVBMR-107R at 70M, EVBM-K110R with scaler at 100M, EVBM-K107R with scaler at 70M, EVBMS-110R with RS-232 serial feature at 100M, EVBMS-107Rwith RS-232 serial feature at 70M, EVBM-110R, EVBM-107R, or the receiver in wall plate version) pair, it can be installed in minutes and requires no special programming.

The IR extension function supports full frequency range from 38KHz up to 56KHz. Furthermore, the pigtail design with 1.4m cable increases the distance between the emitter head and the IR port on the extender unit, therefore providing users a flexible and easy way in IR control system installation. It is a unique feature often used in combination at home theater or the system integration applications. There’s also an IR sensor window at the front panel designed with great aesthetic, efficiency and accuracy to control the table box unit.

The bi-directional RS-232 extension function with baud rate up to 152,000bps is available on HDBaseT output Ports 1~4, and can be selected thru the slide switch at the rear panel. The product is the cost-effective, hardware-based solution providing remote access and control for all RS-232 protocol devices without any setup or configuration. It is suitable in applications such as digital signage, industrial, commercial office, classroom, or board room system.

The HDMI HDBaseT Extender system supports various ways of control that can be done thru on-panel buttons, IR remote or RS-232 serial. It is perfect for public broadcasting, exhibitions, retail stores, courtrooms, bus stations, airports, education, military, office, meeting room, control room, digital signage, or the factories applications.

Rextron has joined HDBaseT Alliance for years and has developed a series of HDBaseT products family with various form factors such as under-desk, wall plate, table box or stand alone box to meet different installation requirements at customers’ environments. The models with HDBaseT 3.0 and 2.0 specifications as well as PoH (Power over HDBaseT) feature are also announced.

Leading OEM/ODM HDBaseT Extender Manufacturers

Rextron is on the cutting edge of IT trend, with our ample experience, mature capability and R&D resource, we can serve our customers for OEM even ODM project. Integrated our factory & sub-contractors, we could bring your ideas to manufacture, developing your idea into the viable IT related products ready to send to market.

We had have already provided various designs to famous brand manufacturers for years, these HDBaseT KVM extender, HDBaseT Video extenderKVM extender, Video extender and USB KVM switch products are widely used in businesses, factories, industrial operations, militaries, government installations and residences. As an ISO9001:2015 registered company, Rextron is always sourcing the materials from the vendors compliant to RoHS and REACH standards, because it is our determination to the quality assurance.

Why choose Rextron's HDBaseT Extender
Rextron joined HDBaseT Alliance for years and developed hundreds of HDBaseT Extenders. Through HDBaseT Extenders, users would have a better experience of ultra-high-definition video & audio, Ethernet, controls, USB, and POH (Power over HDBaseT). HDBaseT Extenders could transmit Long-distance up to 100m/328ft through a single cable, even more, they can deliver up to 4K video, and we expect 8K in the near future. 

As one of Valens’ partners, Rextron has developed a wide variety of HDBaseT products that can fulfill diverse demands and needs in the most cost-effective and timely manner. Our product ranges include HDBaseT point-to-point extenders, HDBaseT multi-format extenders, HDBaseT repeaters, HDBaseT splitters, HDBaseT Switches, and HDBaseT Scalers ,and so on. Rextron HDBaseT products lead the industry by a variety of advanced features compliant with VGA, HDMI, or DisplayPort interface.

Rextron HDBaseT products are compatible with the HDBaseT products from some of HDBaseT™ Alliance members like NEC, Panasonic, Sony, and Epson HDBaseT projectors and displays.

In addition, to ensure the safety of all Rextron products, we will pass internal accelerated product life tests before leaving the factory, such as temperature, humidity, vibration, and drop tests.
  • Extend HDMI signal to 8 HDBaseT receivers over CAT.x up to 100 Meters
  • Local HDMI output for local monitoring purpose
  • HDR 4K@60 FPS ( Local ) & 4K@30 FPS ( HDBaseT )
  • Exclusive Auto Easy-Scaling function (4K→1080p) for ALL UHD/HD monitors EDID configuration
  • Scale down 4K signal for 1080p monitors, projectors or VR helmets
  • HDCP 2.2/1.4 compliant and Blu-ray ready
  • Support Deep Color, HD 3D & HD audio formats
  • Individually turn On/Off each output port HDMI signal via IR remote controller
  • Bi-directional IR extension function for Home Theater System integration
  • Full frequency IR signal from 38KHz to 56KHz
  • 4 Way RS232 serial switch ( out1~out4 )
  • Full-Duplex data communication between Tx & Rx ( out1~out4 ) via CATx connection
  • EDID Management / HDCP Management
  • EDID Copy and EDID Pre-setting function ensure accurate output display
  • PoC function ( Power over Cable ) provide power for the remote units via CATx connection  

Model Name



  Video Input

  HDMI x 1

  Video Output

  HDMI x 1 ( Local )
  RJ45 x 8 ( HDBaseT Link Port )

  Video Resolution ( Max. )

  3840x2160@30Hz ( 4:4:4 )
  3840x2160@60Hz ( 4:2:0 )

  Auto Easy-Scaling Function

  4K to 1920 x 1080
  ( when Connected to 1080p Display
   Apply to Indivisual Output Ports Independently )

  LED Indicator

  Status LED  x1
  Output LED: HDBaseT x8 / Local  x1

  Extension Distance

  100M @1080p
  70M @4K

  EDID Configuration

  Slide Switch x 1 ( 4K / 1080p / Local / Remote )

  EDID Copy Function

  Push Button x 1 ( Local )
  Push Button x 1 ( HDBaseT )

  HDCP Configuration

  Slide Switch x 1 ( Auto / 1.4 )

  Serial Extension Function

  DB9 x 1 ( RS232 )
  Slide Switch x 1 ( Port1~4 )

  IR Extension Jack

  IR Receiver ( Sensor ) x 1
  IR Transmitter ( Blastor ) x 1

  IR Control

  IR Sensor x 1 ( Front )

  Power Supply

  DC 12V
  Optional Addtional DC 12V ( 5~8 Port PoC )



  H x W x D (mm)

  43 x 300 x 170




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