According to one embodiment, a wireless communication device includes a first surface, a power storage unit, an antenna board, a circuit board, a wireless communication unit and a signal line. The power storage unit has a second surface located oppositely to the first surface. The antenna board implemented with an antenna faces the first surface. The circuit board faces the second surface of the power storage unit. The wireless communication unit is implemented to the circuit board and is located oppositely to a surface facing the power storage. The signal line connects the antenna board and the wireless communication unit.