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SDI Balun

SDI Balun

Must be bought in pairs

Features

This

SDI Balun

send an HD-SDI signal up to 150 ft via one Cat5e/6 cable at HD resolution. The SDI Balun supports speeds of up to 2.97/3.0 Gbps of uncompressed, un-encrypted digital video (optionally including embedded Audio and/or Time Code) within television facilities and between professional video equipment. The SDI Balun also supports up to 400 ft (120m) via Cat5e cable at SD resolution. The unit features a cast aluminum enclosure for maximum EMI/RFI shielding making it the obvious choice for various installations.

SDI Balun Features:

Supports SD, HD and 3G resolutions
Up to 150 ft (45m) via Cat5e cable @ HD
Up to 400 ft (120m) via Cat5e cable @ SD
Supports Cat5e/6 cable
Cast aluminum enclosure for EMI/RFI shielding

Why not buy this 2 - SDI Baluns today?

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Q/A

Q: The maximum bandwidth of Category twisted pair cable is typically 500 MHz. How can this cable support HD-SDI which has a bandwidth requirement of 1.5 GHz?
A: The bandwidth of Category cable is primarily based on the ability to support Ethernet. On the other hand, SDI signal transmission is not as much dependent on whether the cable is twisted pair or coaxial but rather on cable length. Furthermore, since SDI has good equalization, signal attenuation (and therefore distance) is more important than bandwidth and therefore bandwidth is not defined the same way. From the technology standpoint, SDI may be compared to DSL modem technology.

Q: Can the unused twisted pairs be used for remote power without interfering with the SDI Balun video?
A: Passing DC remote power on the unused pairs should work fine. However, AC voltage maybe problematic as there can be some interference from the 60Hz AC voltage. This interference may affect the image quality depending on the type of display and its immunity to outside interference.

Q: What do you recommend for the best cable?
A: To send HD video you must use a coaxial cable with Bandwidth at least 1.5G and to send Full HD video must use coaxial cable with bandwidth at least 3G. The link cable recommended to use a high quality Coaxial Cable & BNC connector if you use a low quality coaxial cable it may case signal loss and affect the transmission distance and reliability. The tests on this HD-SDI to HDMI Adapter was with Belden 1694A RG6U cables.

Here is a distance and cable type guide that can be used with this converter: Recommended Transmission Distances.