According to one embodiment, a wireless communication device includes a transmission circuit and a processing circuit. The transmission circuit is configured to transmit a physical frame including a physical header and a physical payload. The physical header is transmitted in a frequency band. The physical payload includes data and is transmitted by using resource units which are parts of the frequency band. The processing circuit is configured to set a single destination for the data transmitted by a plurality of the resource units and set at least part of the data transmitted by the plurality of the resource units to same data content.