This is a 1x4 sdi splitter, which make it possible to transfer 1sdi signal to 4 monitors simultaneously.Up to four outputs could save you lots trouble of setting other signals when you want to enjoy other sdi programs.
2.0 specification
input connector:1x sdi bnc male
output connector :4x sdi bnc male
supported cable length (belden 1694a):
3g mode: up to 100m
hd mode: up to 200m
sd mode: up to 400m