The HD Series of high frequency ground
loop eliminators is designed for High Definition Broadcast chains. Even
though SDI is more immune to extraneous noise and low frequency components
(hum) problems can still exist. HD-SDI
Serial Digital signal transmissions at 1.485Gbps over a cable contain a range
of low to high frequencies like analog signals and are subject to analog-type
distortions like induced noise as well as unique digital distortions related to
sampling and quantizing. These distortions may result in a variety of visible
impairments. Using
the Allen Avionics HD-SDI Ground Loop Eliminator you can eliminate the
potential for this kind of data loss. See (Outgoing Video) The model HD-SDI
Ground Loop Eliminator supports the four transmission rates of SMPTE 259m and
SMPTE 292m 1.485Gbps HD SDI.

HD-SDI Ground Loop Eliminators DataSheet 2021.pdf
HD-SDI Eliminadores de bucle de tierra 2022.pdf