The LINDY Modular AV Face Plate System allows you to create your own custom face plates by using a combination of Snap-in Blocks and Keystone modules. Install this ST Duplex Multimode face plate along side other Keystone and Snap-in modules. These modules provide a full range of solutions for AV, networking, voice and audio installations. The wide selection of modules and face plates can be custom configured giving you greater control and flexibility. Additional required products... Please Note: The LINDY Modular AV Face Plate System must be used in conjunction with LINDY Face Plates. Single Gang Face PlateorDouble Gang Face Plate are also available.