The Extron AAP 102 MK is an AV connectivity mounting frame designed to mount in two-gang MK-type junction boxes and enclosures used in the United Kingdom, Middle East, Singapore, Hong Kong, and other world markets. It accommodates Extron 55 mm modules and features an opening that holds up to three single-space AAPâ„¢ AV Connectivity Modules. Available in black or white; AAP modules are sold separately. Dimensions: 3.4" x 5.7" x 0.1" (8.6 x 14.5 x 0.25 cm).