Casa Systems, Inc. | 18,218 followers on LinkedIn. Casa Systems is pioneering advanced ultra-broadband 5G solutions for mobile, cable, fixed and converged service providers. Casa Systems has game-changing core and access solutions to transform any broadband network by delivering the service agility and network efficiency needed for the 5G future. At Casa, our passion is fueled by our vision of an ultra-broadband 5G future where every connection is fully optimized and coupled to an agile and responsive, Service Based Architecture.