Genie Alliance 21564R Garage Door Opener Circuit Board AR90-1 freq. 390 - 12 DipGenie Alliance 21564R Garage Door Opener Circuit Board AR90 1 freq. 390 12 Dip This is a really old and really rare board. I'm not 100% sure what model opener it goes in. THE "DIP SWITCHES" ON THIS SUPER OLD BOARD ARE SET BY "PUNCHING OUT" WHAT CODE YOU WANT. ALL IN STOCK HAVE BEEN SET TO A CERTAIN CODE BUT YOU COULD PUNCH ANOTHER HOLE OUT TO CHANGE THE CODE OR PUT A SMALL SCREW OR PIECE OF METAL INTO ONE OF THE PRE PUNCHED HOLES. SEE PICS TO BETTER
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