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Home / Extenders / Kramer EXT3-TR 4K60 4:4:4 HDMI Extender with USB, RS-232 & IR over Long-Reach HDBaseT 3.0
Kramer

Kramer EXT3-TR 4K60 4:4:4 HDMI Extender with USB, RS-232 & IR over Long-Reach HDBaseT 3.0

£488.40inc. VAT
£407.00 ex. VAT
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Bought in the UK, backed in the UKWhy it matters →
  • Sourced through UK distribution
  • UK manufacturer warranty
  • UK-based engineers
  • No import duty or customs charges
  • GBP pricing, UK VAT invoices
Return within 14 days
Installation services availablePurchase orders: education customers only
3 Years Warranty Included
Key specifications
InputsTRANSMITTER-SIDE INPUTS
OutputsTRANSMITTER-SIDE OUTPUTS
Ports - 1 USB 2.0 HostOn a USB-B female connector
Ports - 3 USB 2.0 DeviceOn USB type-A female connectors
Ports - 1 IROn a 3.5mm mini jack for IR link extension
Ports - 1 RS-232On a 3-pin terminal block for serial link extension
USB Features - Integrated USB Hubs1
Extension Line - Up to 40m (130ft)At 4K@60Hz (4:4:4)
All 25 specifications

Description

EXT3-TR is a high-performance, long-reach HDBaseT 3.0 extender for 4K60Hz (4:4:4) HDMI, USB, RS-232, and IR signals over twisted pair, flexibly set as transmitter-side or receiver-side device. EXT3-TR transmitter-side converts all input signals into the transmitted HDBaseT 3.0 signal. EXT3-TR receiver-side receives the HDBaseT 3.0 signal and converts it back into the original input signals. It extends video signals up to 40m (130ft) over CAT copper cables at up to 4K@60Hz (4:4:4) video resolution. Manufacturer part number EXT3-TR.

Full specifications Datasheet Compare alternatives

Key features

High Performance Standard Extender - Professional HDBaseT extender

High Performance Standard Extender - Professional HDBaseT extender for providing long-reach signals over twisted-pair copper infrastructures. EXT3-TR 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.

HDMI Signal Extension - HDCP 2.3, EDID and CEC signals are passed

HDMI Signal Extension - HDCP 2.3, EDID and CEC signals are passed through from the source to the display. Supports HDR10, deep color, x.v.Color™, lip sync, HDMI uncompressed audio channels, Dolby TrueHD, DTS-HD, 2K, 4K, and 3D as specified in HDMI 2.0.

HDMI Mirroring - Transmitter-side extender mirrors input HDMI signal

HDMI Mirroring - Transmitter-side extender mirrors input HDMI signal to loop output port for connecting a local monitor or an additional unit in a daisy chain.

Flexible USB 2.0 Extension - An active USB host is connected to the

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.

Multi-channel Audio Transmission - Up to 32 channels of digital

Multi-channel Audio Transmission - Up to 32 channels of digital stereo uncompressed signals for supporting studio-grade surround sound.

Bidirectional RS-232 Extension - Serial interface data flows in both

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

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

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

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.

Technical specifications

Display
Video - Max Resolution4K@60Hz (4:4:4) 24bpp resolution
Connectivity
InputsTRANSMITTER-SIDE INPUTS
OutputsTRANSMITTER-SIDE OUTPUTS
Ports - 1 USB 2.0 HostOn a USB-B female connector
Ports - 3 USB 2.0 DeviceOn USB type-A female connectors
Ports - 1 IROn a 3.5mm mini jack for IR link extension
Ports - 1 RS-232On a 3-pin terminal block for serial link extension
USB Features - Integrated USB Hubs1
Video - HDMI Support4K as specified in HDMI 2.0b
Extended USB - Data RateUp to 480Mbps
Extended USB - Transmitted Data BandwidthUp to 300Mbps
Extended USB - Standards Compliance1.1 and 2.0 USB
Power - USB Device Charging Max Total Current2A
Power & Physical
Enclosure - SizeMega Tools
Enclosure - MaterialAluminum
Certifications & Warranty
Extension Line - Standards ComplianceHDBaseT 3.0
General
Extension Line - Up to 40m (130ft)At 4K@60Hz (4:4:4)
Extension Line - Up to 70m (230ft)At up to 4K@30Hz (4:4:4)
Extension Line - NoteWhen using Kramer HDBaseT cables
Video - Max Data Rate18Gbps bandwidth (6Gbps per graphic channel)
Video - Content ProtectionHDCP 2.3
Extended RS-232 - Baud Rate300 to 115200
Power - Source12V DC, 2A
Power - Consumption600mA
Enclosure - CoolingConvection ventilation

Documents

Kramer EXT3-TR 4K60 4:4:4 HDMI Extender with USB, RS-232 & IR over Long-Reach HDBaseT 3.0 — manufacturer spec sheet
Kramer EXT3-TR 4K60 4:4:4 HDMI Extender with USB, RS-232 & IR over Long-Reach HDBaseT 3.0 — manufacturer manual

Delivery & returns

Estimated delivery 9 Sept - 13 Sept. UK mainland delivery only. Some large or made-to-order items carry longer lead times, shown on the product page.

Unused items in original packaging can be returned within 14 days of delivery — see the returns policy for how business and consumer returns differ. Faulty items are covered under manufacturer warranty and by your statutory rights.

Full delivery & returns policy

Bought in the UK, backed in the UK

  • This item is sourced through UK distribution and ships to you from within the UK, so the order never crosses a customs border.

  • The manufacturer warranty is honoured here in the UK. If something fails, you deal with us, not with an overseas seller in another time zone.

  • Our own UK-based engineers install, commission and support what we sell, and can attend site when a system needs hands on it.

  • Delivered within the UK mainland, so there is no import duty, customs charge or courier handling fee waiting for you on delivery.

  • Prices are in pounds sterling with proper UK VAT invoices, and purchase orders are accepted from approved education accounts: no currency conversion and no surprises at the door.

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Payment & security

Pay securely by card. Education customers can apply for a 30-day purchase order account.

Schools, colleges, sixth forms, universities and multi-academy trusts can order on invoice, with no card payment required. Purchase orders and credit terms are for education customers only.

All transactions are processed over an encrypted, secure checkout.

Purchase order & invoice terms

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