The Extron AAP 314 is a three-gang size AV connectivity mounting frame with openings to accommodate one decorator-style module, such as the Extron WPD 140 A wallplate, and up to four single-space AAPâ„¢ AV Connectivity Modules. The AAP 314 mounts directly to the wall, lectern, or other flat surface for convenient access to connectivity. It is also compatible with three-gang wall- or surface-mount boxes, such as the Extron SMB 103 or EWB 103. Decorator-style and AAP modules are sold separately. Dimensions: 4.5" x 6.4" x 0.25" (11.43 x 16.26 x 0.64 cm).