<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Clay L:
As I said they are often termed diplexers - see this
SITE
I use one to allow the use of one cable from the service bay for either TV cable in or external dish in. They have more uses than combining signals of different frequencies. </div></BLOCKQUOTE>
That IS a diplexer. You're using it to put cable frequency signals and sat frequency signals on the same wire. It's not a splitter with power pass from one leg, which is what the original post was about (OP on page 2 of this thread, your reply on page 3). The two are not the same.
joe