There is disclosed a radio communication device capable of preventing wire-tap of an encrypted communication even if a radio signal is wire-tapped by a third person in a radio communication system using the MIMO technique. A meter-panel face portion of the meter cluster portion is provided at the projection portion. The display may be arranged to display an indication of a distance between a back of the vehicle and an object. Male connection terminal portions, serving as electrical connection terminal portions, are provided in a distributed manner at widthwise opposite side portions of the connector housing in corresponding relation to the female connection terminal portions.