I recently came across two Arcom filters(?) from a former Uverse installation and was wanting some insight on what they are for. They are labeled "ARSA50-18" and ARSA50-21"
I've had experience with Arcom filters on cable tv stuff, but didn't know U-Verse used em. Are they to block interference?
Cable TV uses similar filters in some cases to block channels you don't pay for and also for keeping internet frequencies out of the TV's, as well as interference blockers.
My guess? they either pass or block channel 18 and 21.
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