A system that provides a wireless broadband connection between base stations and customer sites is described. The system includes indoor units within the base stations and customer sites and communicate across cables to outdoor units. The indoor units link to routers, switches and other devices and services. The outdoor units transmit and receive wireless data and send it to the indoor units. The indoor units can store software instructions in the outdoor unit. This allows the indoor units to automatically detect problems with outdoor unit and download new software to them in case of an error.