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Lift-master 51LM,53LM,54LM,61LM,63LM,64LM Chamberlain 750CB,753CB,756CB Sears Craftsman 139.53400, 139.53707, 139.53758, 139.53778, 139.53515, 139.53606,139.664983, 139.658430 True Guard models from 1984-1992 with 8 or 9 dip switches and 390 MHz frequency Also compatible with wireless keypad model number 66LM (same as model 740CB, 1..
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