[Object] To make it possible to suppress a decrease in occasions on which a frequency band shared between a cellular system and a wireless LAN can be used in the wireless LAN.[Solution] There is provided a device including an acquisition unit configured to acquire measurement information of a frequency band shared between a cellular system and a wireless local area network (LAN), the measurement information being provided by an access point of the wireless LAN, and a control unit configured to decide a time for which the frequency band is occupied for the cellular system based on the measurement information.