RECEIVER LOGIC BOARD, 390MHZ
041DJ001B-390 is a 390MHz Receiver Logic Board with Mounting Plate Replacement Kit. For use with LiftMaster® Models 3800 & 3900 Wall-Mounted Garage Door Openers; manufactured after 2005. Unit will feature a "red/orange" learn button. This product has been discontinued and/or is no longer available. Please locate your model number and/or check the owner's manual for serviceable information.
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Also known as: 41DJ001A‑390, 041DJ001A‑390, 041DJ001‑390, 41DJ001B‑390