A transmission device that performs multiple-input multiple-output transmission of transmit data using a plurality of fundamental bands. The supporter system includes a primary support structure, one or more attachment points configured to secure medical delivery device andor medical monitoring device, a wheeled mobility assembly, and a hitcher assembly having a hitcher coupler configured to operatively mate with a corresponding hitchee coupler of the mobile patient transporter. A louver system at the rear of the trailer enables the air in each duct to be channeled and pulled out of the respective duct in such a manner as to reduce drag and eddy currents using the vacuum at the rear of the trailer.