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Kramer EXT3-C-XR-T

1:1 USB-C/USB2.0/Ethernet/RS-232/IR/PoE over HDBaseT 3.0 Transmitter

Max. 100m @ 4K60 4:4:4; PoE acceptor

£748 (£897.60 inc. VAT)
Availability: In stock

Kramer EXT3-C-XR-T (50-80579090)

The Kramer EXT3-C-XR-T is a high-performance, extended-reach HDBaseT 3.0 transmitter, with a USB-C input, for 4K60Hz (4:4:4) HDMI, USB, Ethernet, RS-232, and IR signals over twisted pair. EXT3-C-XR-T transmitter converts all input signals into the transmitted HDBaseT 3.0 signal. It extends video signals to up 100m (330ft) over CAT copper cables at up to 4K@60Hz (4:4:4) video resolution.

See also: Kramer EXT3-POE-XR-R.
  • High Performance Standard Extender — Professional HDBaseT extender for providing extended–reach signals over twisted–pair copper infrastructures. EXT3–C–XR–T is a standard extender that can be connected to any market–available HDBaseT–compliant extension product. For optimum extension reach and performance, use recommended Kramer cables.
  • BYOD Ease and Convenience — Connect any DP–Alt–Mode–capable USB–C device as an AV presentation source, while providing the connected device with USB 2.0 and Ethernet connection, and (if PD–2.0–capable) up to 60 watts of power, via a single USB–C cable connection only.
  • Convenient Display Power On/Off Control — Simply press the DISPLAY ON button to toggle on and off the power of the remote CEC–enabled display; button LED indicates the power on/off status of the remote display.
  • HDMI Signal Extension — Uncompressed 4K@60Hz (4:4:4) HDMI, HDCP 2.3, EDID and CEC signals are passed through from the source to the display.
  • HDMI Support — Supports HDR10, deep color, x.v.Color™, HDMI uncompressed audio channels, Dolby TrueHD, DTS–HD, 2K, 4K, and 3D as specified in HDMI 2.0.
  • HDMI Mirroring — Transmitter mirrors input HDMI signal to loop the output port for connecting a local monitor or adding an additional unit in a daisy chain.
  • Flexible USB 2.0 Extension — An active USB host is connected to the extender at either the transmitter or receiver sides. USB 2.0 signals are extended between the extender transmitter and receiver sides, enabling connection of the active USB host to both local and remote USB devices, such as camera and audio devices, or HID (Human Interface Devices) mouse or keyboard devices.
  • I–EDIDPro™ Kramer Intelligent EDID Processing™ — Intelligent EDID handling, processing, and pass–through algorithm that ensures Plug and Play operation for HDMI source and display systems.
  • Multi–channel Audio Transmission — Up to 32 channels of digital stereo uncompressed signals for supporting studio–grade surround sound.
  • Ethernet Extension — Ethernet interface data flows in both directions allowing extension of up to 1 Gbps Ethernet connectivity for LAN communication and device control.
  • Bidirectional RS–232 Extension — Serial interface data flows in both directions allowing data transmission and device control.
  • Bidirectional Infrared Extension — IR interface data flows in both directions allowing remote control of peripheral devices located at either end of the extended line.
  • Cost–effective Maintenance — Status LED indicators for HDMI, Loop, HDBT, and USB active host ports, facilitate easy local maintenance and troubleshooting.
  • Easy and Elegant Installation — MegaTOOLS™ fan–less enclosure for dropped–ceiling mounting, or side–by–side mounting of 2 units in a 1U rack space with the recommended rack adapter.
  • 7 year warranty (Click Here for details)

Kramer EXT3-C-XR-T Specifications

Extension Line

Reach Up to 100m (330ft)
Note When using Kramer HDBaseT cables
Standards Compliance HDBaseT 3.0


Max Data Rate 18Gbps bandwidth (6Gbps per graphic channel)
Max Resolution 4K@60Hz (4:4:4) 24bpp resolution
Content Protection HDCP 2.3
HDMI Support 4K as specified in HDMI 2.0b

Extended USB

Data Rate Up to 480Mbps
Transmitted Data Bandwidth Up to 300Mbps
Standards Compliance 1.1 and 2.0 USB

Extended Ethernet

Max Data Rate 1 Gbps

Extended RS-232

Baud Rate 300 to 115200


Power Adapter Source 20V DC, 6A
Consumption 20V DC, 4.35A
Max. Power 88W
PoE Consumption 410mA
Max. Power 19.7W
USB-C Charging Max. Power 60W
Compliance PD 3.0
USB Device Charging Max. Total Current 2A
Enclosure Size Mega Tools
Material Aluminium
Cooling Convection ventilation
Operating Temperature 0° to +40°C (32° to 104°F)
Storage Temperature -40° to +70°C (-40° to 158°F)
Humidity 10% to 90%, RHL non-condensing
Extended IR Safety CE

Regulatory Compliance

Environmental RoHs and WEEE
In The Box EXT3-C-XR-T, USB-C 1m cable, power adapter, bracket, rubber feet
Product Dimensions 19.00cm × 11.60cm × 2.70cm
(7.48" × 4.57" × 1.06" ) W×D×H
Product Weight 0.6kg (1.2lbs) approx.
Shipping Dimensions 34.50cm × 21.00cm × 6.70cm
(13.58" × 8.27" × 2.64" ) W×D×H
Shipping Weight 1.2kg (2.5lbs) approx.

Kramer EXT3-C-XR-T Usage Diagram

Kramer EXT3-C-XR-T Usage Diagram

Kramer EXT3-C-XR-T Optional Cables

DescriptionLengthPriceInc. VAT
Kramer C-HM/DM-0.5 HDMI TO DVI-D Single Link Cable (M-M) 0.1m £11 £13.20
Kramer C-MHM/MHM(W)-1 HDMI High Speed with Ethernet M-M - White (Max. 18Gbps 4K/60Hz 4:4:4) 0.3m £11 £13.20
Kramer C-HM/HM/PICO/BK-1 Black Ultra-slim HDMI High Speed with Ethernet M-M (Max. 18Gbps 4K/60Hz 4:4:4) 0.3m £10 £12.00
Kramer C-MHM/MHM-1 HDMI High Speed with Ethernet M-M (Max. 18Gbps 4K/60Hz 4:4:4) 0.3m £11 £13.20
Kramer C-HM/HM/PICO/BK-2 Black Ultra-slim HDMI High Speed with Ethernet M-M (Max. 18Gbps 4K/60Hz 4:4:4) 0.6m £11 £13.20
Kramer C-MHM/MHM-2 HDMI High Speed with Ethernet M-M (Max. 18Gbps 4K/60Hz 4:4:4) 0.6m £10 £12.00
Kramer C-UNIKat-2 UNIKat cable for DGKAT/HDBaseT/LAN (Pre-terminated) 0.6m £7 £8.40
Kramer C-MHM/MHM(W)-2 HDMI High Speed with Ethernet M-M - White (Max. 18Gbps 4K/60Hz 4:4:4) 0.6m £12 £14.40
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