There is provided a device including a control unit configured to control a wireless communication device for performing wireless communication of a cellular system so that the wireless communication device transmits a frame including duration information for setting a network allocation vector (NAV) using a frequency band shared between the wireless communication of the cellular system and wireless communication conforming to a wireless local area network (LAN) standard. The control unit controls a base station of the cellular system so that the wireless communication of the cellular system is performed using the frequency band in a period after the transmission of the frame.