Stanley Access Technologies
185101
MC521 Pro Dual Controller
MC521 Pro dual (black face)
Identification
Black-face dual controller, face P/N 185101. Software sticker example: 714490 / version 7.40. Classic and Pro are not drop-in swaps from a title match.
Do not confuse with: Not Pro single 185101-1; not Classic 185000; not iQ 1000459.
AutoDoor Atlas field photo. Last reviewed 2026-08-16.
Documented systems
Association is not automatic interchange. Verify the installed revision before ordering.
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