The Ersa-842UD is a UHF dual band digital wireless base station, designed to provide long-range wireless data communication in multiple settings. It has two frequency bands (842 MHz and 867 MHz), with a total bandwidth of up to 24 Mbps. It features adaptive middleware, eliminating the need for manual frequency programming, dynamic data rate control, and a range of other features. It is also capable of supporting up to 1,000 simultaneous nodes per base station, making it ideally suited for large-scale applications. Additionally, it is equipped with interchangeable antenna ports and a built-in web server for remote configuration.