The Collins Aerospace RIU-4000/4100 Radio Interface Unit features digital signal processing technology and digital audio management for error-free radio sensor tuning and control. It also sets new standards for reduced size, weight and power usage in the business and regional aircraft market segments, providing data concentration and audio management for the Pro Line 21™ and Pro Line Fusion™ CNS family of products.
The RIU-4000/4010 combines the data and audio concentration features of the RIU-4100/4110 with the data-link communications management function of the CMU-4000. The RIU-4100/4110 is a foundational element of the Radio Suite. It links the radio sensors through a common I/O and data manager, providing the interfaces to the remainder of the aircraft systems. It enables data-link applications, allowing you to take advantage of all the communication management functions and advanced capabilities of new radios.