The mount has to match the frame or box. A mullion reader is slim; a single-gang reader needs a standard box.
Measure the opening, then pick the Transmitter Solutions reader that lists that mount.
System ConceptsReviewed 2026-08-28
Reader mounts
Mullion, single-gang, and other ways a reader attaches to the wall or frame.
Also called
reader mountingmullion mountwall mount readerReader mounting stylesreader mounting styles
Catalog fields
Reader MountingMounting Type
Source: Transmitter Solutions product training