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To extend an HDMI setup, first measure the route and check the resolution, refresh rate, and features your devices need. A suitably certified HDMI cable can work for a cable-length run; for a longer route, a transmitter-and-receiver extender kit can carry the signal over Cat5e or Cat6. Neither option is always cheaper, and the right choice depends on the exact cable or kit.
How can you extend an HDMI connection?
There are two practical paths: run an HDMI cable that supports the required signal over your route, or use an HDMI extender system with a transmitter, receiver, and category cable between them. The HDMI specification does not set one universal maximum cable length. HDMI Licensing Administrator says, “The specification does not indicate a cable length. Cable length depends on many factors including cable type and construction.” Read its cable guidance.
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Before choosing, measure the actual path the cable must follow—not just the straight-line distance—and note the source and display’s required video mode and features. Also consider whether category cable can be routed through the space and whether you need power delivery, infrared control, or other control connections.
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When is an HDMI cable the simpler choice?
Choose a direct HDMI cable when its construction and certification suit the signal your devices require and the cable can cover the route. Certification is a useful verification cue, but select the tier that matches the devices rather than assuming every certified cable supports every feature.
#1 Best Overall
- 4K HDMI Extender: The OREI EX-170C is a reliable 4K HDMI over Ethernet extender that transmits uncompressed video and audio up to 230 ft (70 m) at 1080P or 131 ft (40 m) at 4K@30Hz over a single CAT5e/6/7 cable, reducing the need for long HDMI cable runs
- Smooth 4K Video: This HDMI extender uses reliable video transmission technology to support resolutions up to 4K@30Hz (NOT 4K@60Hz) and 1080p over long distances, with 10.2 Gbps bandwidth, HDMI 1.4, and HDCP 1.4; HDMI loop out enables local display monitoring while extending content to a remote screen; EDID copy helps optimize display compatibility
- Easy Remote Control: This HDMI over CAT6 extender supports one-way IR pass-through, allowing control of Blu-ray players, streaming devices, media players, and set-top boxes from the receiver location; one-way Power over Cable (PoC) requires only one power adapter at the transmitter for a cleaner installation
- Wide Device Compatibility: Works with TVs, monitors, projectors, gaming consoles, media players, AV receivers, and CCTV systems; helps maintain stable HDMI signals where intermittent signal issues may occur; ideal for 4K CCTV extension over long distances, home theaters, conference rooms, classrooms, digital signage, and presentations; not compatible with HDMI ARC
- What You Get: HDMI transmitter and receiver, IR blaster cable, IR receiver cable, 12 V power adapter and user manual; durable metal housing supports dependable operation; use a direct CAT5e or CAT6 cable connection for optimal performance and avoid network switches or routers; Performance depends on cable and devices. Not IP/network based
Match certification to the video requirements
HDMI Licensing Administrator describes Premium High Speed HDMI Cable certification as testing for full 18 Gbps bandwidth with EMI testing. It is intended for 4K/Ultra HD use cases that include 4K60, HDR, and expanded color. This is a particular certification category, not a guarantee that a cable of any length or construction will work in every setup. Check the cable’s certification label and your devices’ required features. See the Premium HDMI Cable certification information.
For a longer cable run, the result depends on cable type and construction. If the required signal is unreliable over a cable you are considering, a category-cable extender may be a better fit than simply buying a longer cable.
Rank #2
- 【1080P 60HZ HDMI EXTENDER】— Extend Full HD video and audio up to 164FT/50M over one Cat5e, Cat6 or Cat7 cable. This HDMI over Ethernet extender supports 1080P at 60Hz and 3D for home, office, classroom and commercial AV installations.
- 【POWER OVER CABLE WITH POWER ADAPTER INCLUDED】 PoC technology sends power from the transmitter to the receiver through the connected Ethernet cable, so only one power adapter is required—and it is included in the package. Reduce power-cord clutter around wall-mounted TVs, projectors and remote displays.
- 【EDID COPY FOR DISPLAY COMPATIBILITY 】 The built-in EDID copy function reads and stores display information to help the HDMI transmitter and receiver establish the correct resolution and deliver a stable video signal across long cable runs.
- 【UNCOMPRESSED HDMI OVER CAT6】 Transmit high-definition HDMI video and audio over a single network cable without converting the signal into streaming video. Ideal as an HDMI Cat6 extender, HDMI balun or HDMI-to-Cat6 converter for point-to-point connections.
- 【PLUG AND PLAY TX RX KIT】 Connect the HDMI source to the transmitter, run one Cat5e/Cat6/Cat7 cable to the receiver, and connect the receiver to the display. Compatible with PCs, laptops, DVD players, media players, TVs, monitors and projectors. No software or drivers required.
When should you use a Cat5e/Cat6 HDMI extender?
An extender kit is a system, usually made up of a transmitter near the source and a receiver near the display. It carries the HDMI signal over the category cable specified by the manufacturer. This does not mean you can connect the kit to any Ethernet network, router, or LAN socket; follow the exact kit’s wiring instructions and compatibility requirements.
Supported distance can change with the video mode and the model. For example, StarTech specifies its 4K70IC-EXTEND-HDMI for 4K60 (4:4:4) up to 70 m over one Cat5e/6 cable. Its product page also lists HDMI 2.0, HDR, HDCP 2.2, power over cable (PoC), and IR extension. These are claims for that specific model, not a general capability of HDMI extenders. Check the manufacturer’s 4K70IC-EXTEND-HDMI specifications.
Rank #3
- 【HDMI Extender over CAT6】This plug and play HDMI extender help you transmit high-resolution video and audio simultaneously, for 196ft transmit via oxygen free copper CAT6 LAN cable. Zero Video Latency, making it a great choice for outdoor or indoor, project, video conference.Support resolution of 1080p
- 【EDID copy】The EDID copy function allows the signal source and the display to be connected without obstacles, and to obtain the best matching image and sound.
- 【HDMI Lossless Transmission】Support resolution up to 1080p@60hz and distance up to 196ft between the sender and receiver unit; ensure crystal clear & distortion-Free & no latency, we recommend to use oxygen free copper Cat 6 cable; Support audio format: DTS - HD/Dolby-true HD/DTS/Dolby-AC3/DSD.
- 【High compatibility & Multi-scene applications】Built-in automatic adjustment system and ESD protection system. Compatible with PC, game console, Blu-ray player, media player, etc.; It can be widely used in the area of education, outdoor or indoor LED display screens, project, video conference, metro, multimedia home theater, etc.
- 【Considerate service】We provide a 1-year free warranty on all of our products. please don’t hesitate to contact us if you have any questions about our product, our professional engineers will be in touch within 12 hours to answer your questions.
A different StarTech model, EXTEND-HDMI-4K40C6P1, is specified for 4K30 up to 40 m or 1080p up to 70 m over Cat5e/6. The difference is a reminder to check the distance for the mode you will actually use, rather than relying on a product’s longest advertised distance. See the EXTEND-HDMI-4K40C6P1 specifications.
Account for power and control
Some kits include useful installation features, but they are model-specific. The 4K70IC-EXTEND-HDMI listing includes PoC and IR extension. Leviton’s 41910-HT0 HDBaseT transmitter/receiver system is specified for 70 m over category-rated cable and lists bidirectional power and IR, multichannel audio, and RS-232 control. These details may matter in an installation where local power or remote control is part of the problem; verify what the exact kit supports and how it must be connected. See Leviton’s 41910-HT0 product information.
Rank #4
- 【HDMI extender over cat5e/6】The HDMI extender can simultaneously transmit high resolution video and audio through an oxygen-frees copper CAT6 cable, up to 200 feet, no delay, audio and video synchronization,outdoor or indoor, Good choice for projects and video conferences
- 【EDID management】The 200ft HDMI Extender support EDID management,can copy the EDID content of the monitor and store it on the sender side to enhance compatibility and perfection
- 【POC technology】Plug and play, the HDMI over ethernet no need to install drivers and software,One power supply for normal work,just need to use the power adapter on TX , and Rx can work through the cat6 transmission power supply. Low to 5V voltage transmission, safe and reliable. Note: only one power supply is required
- 【HDMI Lossless Transmission】the HDMI over ethernet has built-in automatic adjustment system and ESD protection system , the picture is smooth, clear and stable.Ensure crystal clear & distortion-Frees & no latency, we recommend to use oxygen frees copper Cat 6 cable; Support audio format: DTS-HD/DTS/DSD.Support video format:1080p/1080i/720p/576i/480p
- 【HDMI extender Strong compatibility】No quality loss,easy installation. the HDMI extender can be widely used in PCs, DVD players, PS3, PS4, HD Box, Satellite Box, Android Box, etc. so the HDMI over cat5e is an ideal choice for digital signage, churches, classrooms,conference rooms, conference room projectors,games,video production, etc
Which option fits your setup?
| What to check | HDMI cable | Cat5e/Cat6 extender kit |
|---|---|---|
| Route and distance | Use a cable whose type and construction suit the required run; HDMI does not specify one universal length limit. | Check the exact model’s distance limit for your resolution and mode. |
| Video requirements | Match the cable’s certification and capabilities to the source and display. | Confirm the kit supports the exact resolution, refresh rate, color format, and other needed features. |
| What runs between devices | One HDMI cable. | A transmitter and receiver connected using the category cable specified by the kit; it is not an ordinary LAN connection. |
| Power and control | Check the particular cable and setup if additional capabilities are needed. | Check whether the particular kit offers features such as PoC, IR, or RS-232. |
| Cost | No universal price advantage is established; compare the actual cable and installation costs. | No universal price advantage is established; include the kit and category cable in your comparison. |
What to check before buying
- Measure the route. Include the distance around corners and through any conduit or wall path, and make sure the route can accommodate the cable type you plan to use.
- Write down the required signal. Check both devices for the resolution, refresh rate, HDR, color format, and other HDMI features you need at the display.
- Choose the cable path or extender system. For a direct run, verify the cable’s certification and suitability for the length. For a longer route, choose a transmitter/receiver kit whose specifications cover the required mode and distance.
- Check installation details. Confirm the permitted category cable, wiring, power requirements, and any needed IR or control support in the exact product documentation.
- Compare the whole setup cost. Include the cable or extender kit and any category cable required. The available specifications do not establish that one approach is always the budget option.
What the published distance figures do—and do not—tell you
The listed 70 m and 40 m figures above are manufacturer specifications for named products and modes, not independent comparative test results. They are useful for screening a model, but they do not establish what every extender will achieve in a different installation. Confirm the product’s current requirements and compatibility with your equipment before committing to a route.
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Best Value
- 4K HDMI Extender: The OREI UHD-EX165H-K is a reliable 4K HDMI over Ethernet extender that sends uncompressed 4K@60 Hz RGB/YCbCr 4:4:4 video and audio up to 165 feet (50 m) through one CAT 6/7 cable without signal loss or bulky long hdmi cabling
- Crystal Clear UHD Video: This HDMI over Ethernet extender supports 18 Gbps bandwidth, HDR, HDMI 2.1, HDCP 2.2, and upto 12-bit color 4:4:4 for sharp visuals and smooth playback; HDMI loop out enables local screen viewing while extending content to a remote display; Built-in EDID management helps optimize resolution compatibility between source and display devices
- Easy Remote Control: This hdmi to cat6 converter supports one-way IR pass-through, allowing you to control streaming devices, media players, and cable boxes from the receiver side; supports LPCM, Dolby Digital, Dolby TrueHD, DTS-HD, and DSD audio formats for immersive sound performance; ideal for clean wall-mounted TV or hidden AV rack setups
- Wide Device Compatibility: Works with TVs, monitors, projectors, gaming consoles, Blu-ray players, laptops, and AV receivers; It’s perfect for home theaters, CCTV security systems, digital signage, gaming rooms and conference rooms that need a relaible hdmi over cat6 connectivity
- What You Get: HDMI transmitter and receiver, IR TX/RX cables, power adapter, and user manual; backed by a 12-month manufacturer warranty and OREI tech support; requires a direct Cat6 or Cat7 connection and is not compatible with network switches or routers; high-speed Cat6 cable recommended for optimal long-distance 4K performance
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
