4K60 4:4:4 HDMI Extender with USB, Ethernet, RS-232, IR over Long-Reach

The Kramer EXT3-TR is a high-performance, long-reach signal extender built around HDBaseT 3.0. It carries 4K60Hz 4:4:4 HDMI together with USB, Ethernet, RS-232 and IR over twisted-pair cabling. The unit can be configured for either the transmitter side or the receiver side, allowing the same model to handle conversion at either end of the link. In transmitter mode, it converts connected input signals into an HDBaseT 3.0 signal. In receiver mode, it converts the received HDBaseT signal back into the original signal types.

Ideal Use Cases

This model is designed for systems that need the video source and display separated while retaining more than HDMI alone. It fits links that also require USB data, Ethernet, serial control through RS-232 or infrared control between the two sides. It is especially relevant when a 4K60Hz 4:4:4 signal must travel beyond a short local HDMI connection and a twisted-pair cable path is part of the system design.

• Source-to-display extension requiring 4K60Hz 4:4:4 video.
• Links combining HDMI, USB, Ethernet, RS-232 and IR transport.
• Designs that benefit from assigning the same model to either endpoint role.

Why Choose This Model

The EXT3-TR combines high-resolution video extension with data, network and control signal transport through HDBaseT 3.0. Its configurable transmitter-side or receiver-side operation is the defining feature: one model can convert incoming signals for transmission or restore a received HDBaseT signal at the destination. The specified 18Gbps bandwidth supports the stated 4K60Hz 4:4:4 video performance, while HDR10 support addresses compatible high-dynamic-range content. The result is a focused extension platform for systems requiring both video quality and multiple supporting signal types.

Installation and Integration

Configure the source-side EXT3-TR as the transmitter and the destination-side device as the receiver. The transmitter-side unit converts its input signals into the transmitted HDBaseT 3.0 signal, while the receiver-side unit reverses the process. Connect the two sides through twisted-pair CAT copper cabling, then connect the required HDMI, USB, Ethernet, RS-232 and IR signals according to the system design.

For 4K@60Hz 4:4:4 video, the specified extension distance is up to 40m (130ft) over CAT copper cable. Cable routing should remain within that stated video-distance limit. The source data does not specify a required CAT cable category, connector counts, power arrangement or included accessories, so those details should be confirmed for the planned installation.

Performance Highlights

• Video support up to 4K@60Hz with 4:4:4 chroma sampling.
• Up to 40m (130ft) video extension over CAT copper cables.
• 18Gbps stated bandwidth and HDR10 support.
• HDBaseT 3.0 transport over twisted pair.
• Support for HDMI, USB, Ethernet, RS-232 and IR signals.
• Configurable transmitter-side or receiver-side operation.

These specifications make the EXT3-TR suitable for links where the original video format and associated control or data paths must be carried between separated endpoints. The quantified reach specifically applies to video at up to 4K60Hz 4:4:4.

What Makes It Different

Unlike an extender identified for only one fixed endpoint role, the EXT3-TR can be flexibly set as either the transmitting or receiving device. That shared hardware model supports both stages of the HDBaseT link: encoding connected signals into HDBaseT 3.0 at one side and decoding them back into their original forms at the other. Its signal coverage also extends beyond HDMI by including USB, Ethernet, RS-232 and IR, reducing the need to treat each supported path as a separate extension function.

Final Assessment

The EXT3-TR is a purpose-built HDBaseT 3.0 solution for extending 4K60Hz 4:4:4 HDMI and associated USB, Ethernet, RS-232 and IR signals over twisted pair. Its 18Gbps bandwidth, HDR10 support and stated 40m (130ft) 4K video reach establish its core performance, while selectable transmitter or receiver operation gives the model a distinct role in flexible endpoint planning. It is a strong match when these exact signal types and distance requirements define the installation.