SKU: 74225080033

Gefen DVI KVM HDBaseT 2.0 Extender ?w/ RS-232 and 2-Way Audio???

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Description

Gefen DVI KVM HDBaseT 2.0 Extender ?w/ RS-232 and 2-Way Audio???Experience flexible, long distance DVI distribution with the Gefen EXT DVIKA HBT2. Built on the HDBaseT 2. 0 Colligo platform, this KVM extender delivers pristine DVI video, USB, two way audio, and RS 232 control over a single CAT 5e cable, extending reach up to 495 feet (150 meters). Ideal for conference rooms, classrooms, and digital signage, it combines ease of use with robust performance for reliable A V distribution and remote device control.

Experience flexible, long-distance DVI distribution with the Gefen EXT-DVIKA-HBT2. Built on the HDBaseT 2.0 Colligo platform, this KVM extender delivers pristine DVI video, USB, two-way audio, and RS-232 control over a single CAT-5e cable, extending reach up to 495 feet (150 meters). Ideal for conference rooms, classrooms, and digital signage, it combines ease of use with robust performance for reliable A/V distribution and remote device control. Designed for quick setup in existing networks, the system preserves image quality, audio clarity, and responsive control across substantial cable runs, enabling seamless collaboration and streamlined management of peripherals and displays.

  • Extends DVI signals over a single CAT-5e cable up to 495 feet (150 meters) using Gefen's HDBaseT 2.0 technology. This single-cable approach reduces clutter and cost while delivering reliable high-definition video integrity across long distances. The transmitter and receiver pair are optimized for low jitter and stable performance in commercial environments, ensuring consistent color accuracy and sharp detail from source to screen in conference rooms, classrooms, and showroom settings.
  • HDBaseT 2.0 Colligo platform adds USB and 2-way audio extension, plus RS-232 pass-through, enabling full KVM operation from a remote workstation. You can connect USB keyboards, mice, and peripherals at the display end and control the host computer remotely. The two-way audio path supports microphone input and line-level audio to and from sources, while RS-232 offers straightforward control of linked displays, projectors, and other AV devices from the remote location.
  • KVM-ready design supports remote keyboard and mouse control with plug-and-play convenience. The extender preserves native USB performance with minimal latency, allowing smooth operation of software, presentations, and peripheral devices. It maintains robust EDID handling to keep display behavior consistent across cables, making it suitable for busy environments where reliability and ease of use are paramount.
  • Single-cable installation with a compact transmitter and receiver pair delivers dependable performance across long runs while maintaining low latency for time-sensitive applications. The kit includes power adapters for both ends, enabling straightforward mounting near displays, media players, or wall installations. Built with durable construction and shielded cabling, it withstands the rigors of commercial AV deployments and reduces downtime.
  • Versatile compatibility and control options, including RS-232 integration for external device control and simple deployment within existing AV infrastructures. The RS-232 channel enables control of projectors, displays, or other equipment from the host location or centralized control systems. Designed to scale with Gefen’s HDBaseT ecosystem, it supports growing multi-room or multi-zone configurations for education, corporate, and retail environments.

Technical Details of Gefen DVI KVM HDBaseT 2.0 Extender

  • Get this information from the "specifications" section of the product from https://ec.synnex.com/ using product "UPC" or "SKU" as reference

How to install Gefen DVI KVM HDBaseT 2.0 Extender

To install, connect the DVI source to the transmitter (TX) and the DVI display to the receiver (RX). Run a single CAT-5e cable between TX and RX, ensuring the cable is within the supported distance for HDBaseT 2.0. Attach USB devices (keyboard, mouse, or peripherals) at the TX or RX ends as needed, and connect the RS-232 line if you require external device control. Apply power to both the TX and RX units using the supplied adapters, then power on the source and display. Verify EDID negotiation and test the KVM connection by moving the cursor between local and remote workstations, adjusting audio, and sending commands through RS-232 to confirm remote control functionality. For best results, keep runs clear of excessive interference and use shielded CAT-5e cables rated for AV applications.

Frequently asked questions

  • What is the maximum extension distance? Up to 495 feet (150 meters) over a single CAT-5e cable using HDBaseT 2.0. Actual performance can vary with cable quality, environment, and interference.
  • What signals are extended? DVI video, USB peripherals (keyboard, mouse, and select devices), 2-way audio, and RS-232 control are extended through the HDBaseT link, enabling complete KVM and peripheral accessibility from the remote end.
  • Is software required? No software drivers are required. The system is designed to be plug-and-play, with automatic EDID handling and standard USB signaling to minimize setup time.
  • Do both ends need power? Yes. Both the transmitter and receiver require their own power supplies to operate the HDBaseT link and the extended peripherals.
  • Can this extender work with other Gefen HDBaseT devices? Yes. It is designed to work within Gefen’s HDBaseT ecosystem, enabling scalable, multi-room or multi-zone deployments across education, corporate, and retail environments.
Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 74225080033

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B. Martinez
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★★★★★ 5
Nothing
The only issue I have is that it leaves a lot of residue in the shower or tub. Not on the skin
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Reviewed in the United States on July 16, 2025
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This is a wonderful zinc soap. Cleans very well and smells great. No heavy perfume smell.
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Reviewed in the United States on December 1, 2025
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Deena Farrukh
Los Angeles, US
★★★★★ 5
great for kids with dry skin!
Scent: Fragrance Free, Size: 2 Pack - 3.5 Ounce & 8 Ounce
This ointment has been a great find for sensitive baby skin. We started using it for dry patches and mild eczema, and it made a noticeable difference within a few days. The texture is rich and soothing without feeling overly greasy, and it absorbs well enough that it doesn’t leave everything sticky. I really appreciate that it’s fragrance-free and made without steroids—perfect for everyday use, especially on delicate skin. We’ve used it on everything from dry cheeks to minor irritation, and it’s been consistently gentle and effective. The 2-pack is a nice bonus since we keep one at home and one in the diaper bag. A little goes a long way, so the jars last longer than expected. The only downside is the price—it’s a bit more expensive than some alternatives—but for the quality and peace of mind, it feels worth it. Overall, I’d definitely recommend this for parents looking for a reliable, gentle solution for dry or sensitive skin.
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Reviewed in the United States on May 3, 2026
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Christian Powers
Charlottesville, US
★★★★★ 5
Only thing that worked! So thankful!
Scent: Fragrance Free, Size: 2 Pack - 8 Ounce
I can’t believe I’m going to do this, but I’m writing a review and a long one at that! My baby began having skin issues around 5weeks old. Which I believe was from washing her with Honest baby soap(but I believe any soap would have been a problem)- up until then I had only used a wash cloth and water. But that week I washed her twice with the soap and that weekend my son had back to back soccer games it was 90degeee weather and my baby got sweaty. Then after that her skin just seemed to have problem after problem! I didn’t know if it was heat rash, eczema, or baby acne or combination? So no more soap and returned to water and started putting breastmilk and tallow on her which really helped with the redness. but her skin still felt like sand paper and would easily get inflamed if warm or sweaty. Around 8weeks of age she started getting cradle cap behind and on her ears and her eyebrows, then mildly on her head ugh. And she was VERY itchy and would be itching her head all night. So I ordered MuStella shampoo and the Frida cradle cap scrubby and brush set. After 2-3 days my babies head had red bumps, very inflamed and still very itchy. It said to wash everyday and remove the scales but I just couldn’t keep doing that. I would slather tallow on my babies head after washing and I returned to just rinsing with water as that seemed to help. I would also gently use the comb because her hair would be crazy after applying cream to scalp. This also helped to further distribute the cream and clean out some dry flakes from scalp- no need to scrub with that scrubber. But she was still itchy. So that’s when I decided to add the colloidal oatmeal for the sleepless nights itching- which this has 1% as an active ingredient. The price was definitely not appealing but I got it. After 1 day of using this it was like my babies skin was completely transformed!!! Even her sandpaper feeling face got clear and smooth feeling again! All day I was just so thankful and happy to have my babies smooth skin back after weeks of battling skin problem after skin problem. I really think it had to do with the soap in the first place, maybe effected natural skin barrier. Which if you research skin ph and barrier a lot of things will do that. What really washes dirt away is rubbing and water. I could kick myself for even using the the soap on my babies precious skin. So what worked for us was not using soaps and just washing with water, slather on tallow WHILE SKIN IS STILL WET, this locks in the moister. Water is moisture and all lotion and creams do are lock in the moisture so you want your skin wet before applying creams. Creams help slow down transepidermal water loss. Which is another reason to protect your skin barrier as it has ability to retain moisture better. So we washed with water, applied whipped tallow while still wet and this colloidal oatmeal ointment on top of that. I can hardly believe the overnight difference! I almost never ever write a review but just really wanted to share our story if it may help others. I usually do not buy expensive products like this, but I’m glad I tried- it worked AMAZINGLY for my baby- she is so much more comfortable!!! I’m so thankful!
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Reviewed in the United States on November 5, 2024
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NMarie
Carnegie, US
★★★★★ 5
Great for Dry Skin, Works Fast!
Scent: Fragrance Free, Size: 2 Pack - 3.5 Ounce & 8 Ounce
10/10 would recommend. This is heavy duty lotion, cream, but it works for my baby in 1-2 uses if he has dry skin or a rash. It is worth the cost in my opinion, only want to put on a small amount at a time anyway it is very thick and a little goes a very long way.
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Reviewed in the United States on May 13, 2026

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