In the past there have been questions about IR repeaters, and I've talked about the Radio Shack 15-1959 units, which are essentially a rebadged "Terk Powermid" set.

I've owned two sets of these, and the second set just went bad. Bad in the sense of, the receiver unit stops responding to the sender unit, and seems to emit a steady stream of random IR when plugged in. Both sets worked great for years and then one day just stopped working.

I find it strange I've had two sets go bad on me. Anyone have any clue as to what might cause that to happen to these things over time? Anyone else own a pair of these that went bad?