A portable communication device (200) provides a remote speaker microphone (RSM) (204) that is adaptable to a plurality of interchangeable bridge interface modules. The plurality of interchangeable bridge interface modules may comprise interchangeable camera (212), (218) and non-camera (220) bridge interface modules that couple between the RSM (204) and a power source (208). The power source (208) may also be interchangeable via a portable battery (212) or corded power module (214). The portable communication device is shoulder mountable and well suited to portable public safety applications.