The power restrictions limit the communication range of UWB devices to just a few meters, which produce UWB wireless networks operating in stand-alone mode. With the purpose of increasing the coverage area and achieving seamless communications between stand-alone networks UWBoF technology has been proposed. However, the deployment of fiber connecting stand-alone UWB networks is not always feasible. We propose and implement a UWB over free space optic (FSO) horizontal link. Initial results presenting the effects of the optical wireless channel over the UWB signal PSD are demonstrated. These results are analyzed and implementation recommendations are provided based on them.