I have a Chamberlin/Liftmaster Security+ 3280M garage door (purple button) and a 2005 Roboswing R900 front gate (multicode linear DIP switch - 10 switches). This remote works great for both types and every programming operation was successful after ONE try! (Get that guy a beer) An added rare bonus is that the instructions were actually very clear/readable/thorough and it was obvious someone with a good command of English was involved in creating them. Unlike some others, we all fought our way through.
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