We have a complete line of Doorking Phone entry system for commercial buildings, apartment and condominium entryways. Specializing in phone entry systems like the Doorking 1834 unit that is state of the art and can be programmed and monitored from your PC computer. We also carry access controller units like the Doorking 1838 that can be used with proximity fobs or cards. These systems are ideal for controlling access to different areas of your building or complex.