The Model 1834 is an ideal telephone entry system suited for apartment and gated community applications as well as office buildings and industrial sites that have a separate access control system, or require telephone entry only. Each 1830 Series unit allows Voice and Data connection over either Cellular, VoIP, Wireless, or POTS. DKS offers easy ways to connect fast using the DKS IM Server and DKS Cellular services. The single-line LCD display features big 1/2-inch characters for easy viewing and your personalized message scrolls across the screen from right to left when the system is not in use. Our unique ''One Touch'' CALL button and big A and Z scroll buttons makes this system one of the easiest to use on the market today! For additional security, the 1834 allows you to monitor activity AS IT HAPPENS on your computer display.