Linking computers and other devices to remote displays has become a necessary feature in many environments. Wireless DVI extender removes the cable tethering once required for remote video connections. Previously, DVI splitters were used in conjunction with wired distribution amplifiers to allow 720p and 1080p video streaming to reach distances of up to 150 feet via DVI cables. Standard video cables are no longer required; extenders are now available to transmit video connections for even greater distances over CAT 5/5e/6 cables.

Wireless DVI extenders are connected to the video source by attaching a wired video cable to a transmitter. At the remote end, a wireless receiver picks up the signal from the transmitter and connects to a television or display through another wired video cable. When connecting the extension kit, it is important to power on the transmitter first. If the receiver is powered on prior to the transmitter a proper connection may not be established. A power adapter will be supplied with the transmitter and receiver, and both will need to be connected properly for the extender to function.

Most wireless DVI extender will reach up to 100 feet in optimal situations, but the signal distance is impacted greatly when passing through concrete, brick, and steel. A good rule of thumb is to subtract 25 feet from the maximum distance for each brick or concrete wall your signal needs to pass through, and roughly 50 feet for steel reinforced walls or partitions. Wireless signals transmitting through plaster, gypsum board, fiberglass, and wood are generally not affected. 

Placing the wireless DVI transmitter near the center of your facility will allow for better connectivity throughout the entire location. Unlike wired extenders, wireless models do not support distribution amplifiers, which can increase the signal length by an extra 200 feet. Wireless DVI extension kits should be kept under 100 feet to maintain adequate frame rate and audio clarity. The presence of video artifact or audio distortion at the remote display indicates a need to reduce the distance from the transmitter to the receiver. 

Placing your DVI receiver near a television or display can cause interference. A six to eight inch clearance between the television or display will help prevent wireless interference. Some devices are more sensitive than others, and some trial and error may be necessary to determine the optimal distance from your display to the receiver.

Wireless interface devices have improved vastly over the years. Original wireless 802.11a devices had an estimated limitation of 65 feet, but newer wireless 802.11n devices can reach over 250 feet in most cases. As technology advances, wireless distribution amplifiers may become available for DVI connections. HDMI is currently the only wireless video technology supported by distribution amplifiers. Wireless HDMI extenders with distribution amplifiers can reach distances up to 250 feet or more in the right circumstances.  Now you should be familiar and understand the reach a DVI extender has so you can clear up room and be more orgaized in your daily life activities.

About the Author

Michael Alvarez has been working in the electronics and technology field for over 20 years.  He enjoys sharing his knowledge and expertise of DVI extender with others; while continuing to grow his knowledge.