A method and apparatus for selecting a bandwidth option for a cell in a network are disclosed. For example, the method obtains, for the cell, network traffic data for a geographical area for mobility traffic and fixed wireless traffic, a physical characteristic of an antenna in the geographical area, and a type of connectivity at a customer premise, determines a busy time data traffic from the network traffic data for both the fixed wireless traffic and the mobility traffic, determines, for the cell, a cell range from the physical characteristic of the antenna and the type of connectivity at the customer premise, selects a bandwidth option from a plurality of bandwidth options, and determines an average throughput in accordance with the bandwidth option that is selected and the cell range, wherein the average throughput comprises a throughput for serving both the mobility traffic and the fixed wireless traffic.