Title: Very good quality mechanical A- B switch
Review: The RCA VH74N appears to be the very best mechanical A-B switch that is available today. I use these switches to switch between our security camera videos and regular TV broadcasts but, I have also used them to switch between antenna and satelite or cable TV. There appears to be no appreciable signal loss and these switches appear quite durable.I have been using the same switches for more than fifteen years and have yet to experience any problem with them. I previously tried other A-B switches but, there was much signal loss resulting in poor video quality.While electronic switches might be considered to be better, they are much larger and they cost more than ten times as much as these RCA switches.The RCA 2-way coax cable switch is easy to mount behind flat screen TVs within easy reach and without creating any unsightly appearance.
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