HDMI Extenders
4K-725
The 4K-725 is our best selling 70m HDMI extender. It is flexible, compact with IR and RS232 passthrough together with Power Over Cable (POC) using a single CAT 6/6A cable.
444K-750
The 444K-750 is a flexible and cost effective HDBaseT pair solution for extending HDMI up to 70m, bi-directional IR, full duplex RS232 together with Power Over Cable (POC).
444K-875
The 444K-875 is a flexible and cost effective HDBaseT pair solution for extending HDMI up to 100m, bi-directional IR and full duplex RS232 together with Power Over Cable (POC).
DP-825
The DP-825 is a flexible and cost effective solution for extending DisplayPort, USB keyboard/mouse, bi-directional IR and full duplex RS232 together with POC.
SDSC-925
The SDSC-925 is a 18Gbps HDMI extender for extra long range cable applications capable of reaching lengths of up to 150m, a professional product ideal for Commercial, Education and Residential
444K-985-USB
The 444K-985-USB is a flexible and cost effective KVM extender for 18Gbps HDMI, USB 2.0 with local port on transmitter, bi-directional IR, full duplex RS232 together with Power Over Cable (POC).
SDSC-3000
The SDSC-3000 is a 100m flexible and cost effective KVM extender for HDMI, USB 2.0, bi-directional IR, full duplex RS232 and LAN together with Power Over Cable.
SDSC-3001
The SDSC-3001 is a 70m multi-featured and cost effective KVM extender for HDMI, USB 2.0, bi-directional IR, full duplex RS232 together with Power Over Cable (POC).
444K-777
The 444K-777 is a comprehensive, professional HDBaseT pair solution for extending HDMI up to 70m, bi-directional IR, full duplex RS232, de-embedded audio together with Power Over Cable (POC).
Digital HDMI Extenders for Flexible AV Signal Distribution
Ideal for high-quality UHD resolution video signals requiring long-distance AV installations, Smart-e offers a range of HDMI extenders that are built for multiple applications. Expertly designed, these products maintain signal integrity even on 150m runs and beyond for our professional, commercial, and educational customers across the globe.
Just install our HMDI extenders and uplift the quality standards of your media devices. All of our extenders come with lossless signal and excellent image quality. Whether it’s a corporate boardroom, teaching lecture hall, control room, or public signage installation, our HDMI extenders are your way to uninterrupted communication and entertainment experience.
Key Features of HDMI Extenders by Smart-E
- Ultra HD 4K Transmission
Experience crystal-clear picture quality across long distances—without signal degradation. - Long-Distance Extension
Extend HDMI signals up to 150 metres over Cat6/7 or much further with fibre options. - Multi-Signal Support
Many models carry HDMI, IR, RS-232, USB, and audio signals on a single cable. - Plug-and-Play Installation
Simplify setup with easy connectivity and minimal configuration. - Commercial-Grade Reliability
Built for 24/7 use in mission-critical environments, from emergency services to broadcasting. - Compact & Rack-Mountable Options
Flexible hardware that fits into any AV setup or equipment rack
Why Choose Smart-e HDMI Extenders?
Smart-e’s HDMI extenders are designed to remove the drawbacks of standard HDMI cables. By using HDBaseT technology or fiber optics, we transmit HDMI, IR, RS-232, and more over Cat6/7 or fiber, meeting the needs of modern AV systems.
Each product is reliable and precision-engineered, designed, built, and supported in the UK. Whether you are carrying 4K UHD content or linking to a digital signage system, you will experience clarity and reliability with our HDMI extenders.
Applications & Uses
- Corporate AV Distribution
Reliable AV signal extension across offices, meeting rooms and conference spaces. - Digital Signage Systems
Deliver consistent high-res content to multiple screens in public and retail settings. - Educational Environments
Seamless video and audio transmission across large classrooms or auditoriums. - Control Rooms & Broadcasting
High-performance connectivity where accuracy and clarity are essential.
Why Buy HDMI Extenders from Smart-e?
At Smart-e, we bring over two decades of AV innovation to every product we design. Our HDMI extenders are developed with a deep understanding of signal processing, system integration, and long-term reliability. We also offer:
- UK-based technical support and after-sales service
- Expert advice for tailored AV system planning
- Customisation options for large-scale deployments
- Partnerships with leading AV professionals and resellers
Ready to Upgrade Your AV Infrastructure?
Explore our full range of HDMI digital extenders and find the perfect fit for your project.