
AT-DVI4-1 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $19.99 | Condition is Used, ATLONA AT-DVI4-1 DVI with Bi-Directional IR and RS-232 Extender over Cat5/6/7, shipping cost = $16.45 | 99.8% |

The Atlona AT-DVI4-1 is a professional-grade DVI bi-directional IR and RS-232 extender kit that utilizes Cat5/6/7 cabling for extended signaling and control over longer distances. This high-performance solution is perfect for extending DVI video and audio signals, as well as IR and RS-232 control signals, between two devices that may be separated by significant distances.
The Atlona AT-DVI4-1 kit includes one TX transmitter and one RX receiver. The DVI connector on the transmitter unit supports both analog and digital DVI signals, while the receiver unit features a DVI-D output. The IR and RS-232 extensions enable users to maintain control over their source devices from a remote location, making it an ideal solution for installations where equipment is placed in inaccessible areas or for applications requiring extended control distances.
This bi-directional extender kit supports a maximum cable length of 164 feet (50 meters) for DVI video and audio signals, and up to 328 feet (100 meters) for IR and RS-232 signals. It is compatible with resolutions up to 1920x1200 and can be used with various display technologies, including LCD, plasma, and projector displays.
The Atlona AT-DVI4-1 is designed for easy and reliable installation. Its robust construction, including a metal housing, ensures durability and protection against electromagnetic interference. The kit includes mounting hardware, making it simple to install in both horizontal and vertical orientations.
In summary, the Atlona AT-DVI4-1 Bi-Directional IR and RS-232 Extender Kit is a versatile and high-performance solution for extended DVI signaling and control applications. Its long cable length capabilities, compatibility with various display technologies, and support for IR and RS-232 extensions make it a valuable asset for professionals working in the AV industry.
The Atlona AT-DVI4-1 is a bi-directional DVI extender using Cat5/6/7 cabling that supports IR and RS-232 signals. This device allows users to extend DVI video and audio signals, as well as IR and RS-232 control signals, between two devices over long distances. Here are some potential advantages and disadvantages of using the Atlona AT-DVI4-1:
Advantages:1. Long-distance extension: The AT-DVI4-1 can extend DVI signals up to 165 feet (50 meters) over Cat5/6/7 cabling, making it ideal for applications where devices are separated by significant distances.
2. Bi-directional: This extender supports both transmit and receive functions, meaning it can be used to extend signals from either the source or the display device.
3. IR and RS-232 support: The AT-DVI4-1 allows for the extension of IR and RS-232 control signals, ensuring that users can maintain control over their devices even when they are connected via the extender.
4. High-bandwidth support: The device supports DVI resolutions up to 1920x1200, making it suitable for applications that require high-definition video.
Disadvantages:1. Cost: The AT-DVI4-1 may be more expensive than other types of extenders, such as HDMI extenders, due to its support for DVI, IR, and RS-232 signals.
2. Compatibility: The AT-DVI4-1 may not be compatible with all DVI devices, so it's important to check the specifications of the devices being used to ensure compatibility.
3. Cabling requirements: The use of Cat5/6/7 cabling may require the purchase of additional cabling if it is not already available.
Conclusion:The Atlona AT-DVI4-1 is a versatile and high-performance extender that can be used to extend DVI video, audio, IR, and RS-232 signals over long distances. Its bi-directional functionality and support for high-definition video make it a solid choice for applications where devices are separated by significant distances. However, its cost and cabling requirements may be a consideration for some users.
Recommendation:If you require the extension of DVI, IR, and RS-232 signals over long distances, and compatibility with high-definition video is important, the Atlona AT-DVI4-1 is a strong recommendation. However, if cost is a concern, consider evaluating other options, such as HDMI extenders or alternative control methods, before making a final decision.
Details:
Nothing else is included, only what seen in the pictures. Photos taken on a 1 cm grid. Used, working condition. This listing is for a Atlona AT-DVI4-1 dvi with bi-directional ir and rs-232 extender over cat5/6/7.
Measurement tools not included with this listing only used to show dimensions of the item. Comes as shown in the pictures.
specifications vidioaudio:
- brand: Atlona
- mpn: At-dvi4-1
- part type: Extender
- unit type: Unit
- country/region of manufacture: China
offer vidioaudio:
- started: march 12, 2025
- price: $19.99
- item condition: Used
- availability: in stock
- options: ship-to-home
- in stock #: 1
- sold #: 22
general vidioaudio:
- category: Electronics > Tv, Video Home Audio
seller vidioaudio:
- # reviews: 10679
- city: silver spring, maryland
- rating: 99.2%
returns vidioaudio:
- policy: no returns
shipping vidioaudio:
- transit: 3-9 days
- type: calculated
- class: standard
- service: usps ground advantage
- carrier: usps
payments vidioaudio:
- other
- wallet: paypal
- credit card: visa
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