A single unit with a backhaul interface and radio card able to support both metro cell outdoor (MCO) and metro radio outdoor (MRO) operations. The single unit includes a switch used to switch between these operational modes. The single unit is versatile from the standpoint that MCO or MRO operations may be selected at the time of installation, and this selection may be changed at any time while operating. The single unit configuration provides a low power MRO mode requiring up to 80% less power than the MCO mode, as the switching function of the single unit can power down all unused internal components and allow radio signals received at a backhaul interface to be exchanged directly with a radio card.