I bought a Samsung UN22D5000 two days ago to replace a Samsung LNT1953H TV/Computer monitor. The older one has two F connectors for coaxial cable, but the newer one has only one. Because I like to have both an over the air antenna and DISH network, I need twin coaxial cables. I bought a cheap Philips A/B this weekend and found it to be very lossy. Some much so that when I connected either cable by itself everything was fine, but simply adding that switch and a short 3 foot run of RG-6 the over the air channels pixelate. I suppose it could be the patch cable or the switch. At any rate I am know wondering if all A/B switches are created equally, or if some are more lossy than others. And, if that is the case, what are some better switches that won't lose as much signal?