Packers are expandable sealing devices used to seal off zones in a well. The agricultural implement also includes row units coupled to the tool bar assembly and configured to deliver flowable agricultural product to a field. The communication device is adapted to then establish communication within the two way radio communication. While the first type power headroom is calculated for a power headroom report related to a primary carrier and a non-primary carrier, the second type power headroom is calculated for a power headroom report related to only the primary carrier.