We enable robust cellular vehicle-to-everything connectivity for connected and autonomous ground and aerial vehicle companies. We allow mobile network operators to serve CAV and UAV customers. Universal Connectivity Stack: Connectivity hardware and software that enables a robust, reliable, and secure air interface for all connected/autonomous vehicles. Simulair: Simulair is a Cloud-Based robotics simulation platform that enables fleet simulations in physics-enabled and dynamic digital twins of smart cities. Connected/autonomous vehicle companies and network operators can simulate signal strength, connection quality, network load, and corner cases on cellular networks and direct links.