Denros fully digital Model 3080 RDVS provides control of air-to-ground and ground-to ground communications, including access to radios and public and private telephone networks. It has logged hundreds of thousands of hou......Denros fully digital Model 3080 RDVS provides control of air-to-ground and ground-to ground communications, including access to radios and public and private telephone networks. It has logged hundreds of thousands of hours of highly reliable service in towers, terminal approach controls, automated flight service stations and command and control applications throughout the world.