A terminal comprising: a receiving unit configured to receive first information and second information from a base station device, the first information indicating one or more bands that are to be candidates for a band combination, the second information indicating which Radio Access Technology, RAT, is to be used; a control unit configured to determine, based on the second information, a supported band combination from the one or more bands included in the first information, and to determine at least one of a feature set of the supported band combination or a feature set combination corresponding to the supported band combination; and a transmitting unit configured to transmit terminal capability information including at least the supported band combination to the base station device, wherein, when the second information indicates NR, the control unit is configured to include only one or more bands configured for the NR in the supported band combination, and the control unit determines the feature set and the feature set combination of the supported band combination and configured to include the feature set and the feature set combination in the terminal capability information, wherein, when the second information indicates E-UTRA, the control unit is configured to include one or more bands configured for the E-UTRA in the supported band combination, and wherein, when the second information indicates NR and E-UTRA, the control unit is configured to include at least one band configured for the NR and at least one band configured for the E-UTRA in the supported band combination, and the control unit is configured to determine the feature set combination corresponding to the supported band combination, and configured to include the feature set combination in the terminal capability information. a control unit configured to determine, based on the second information, a supported band combination from the one or more bands included in the first information, and to determine at least one of a feature set of the supported band combination or a feature set combination corresponding to the supported band combination; and a transmitting unit configured to transmit terminal capability information including at least the supported band combination to the base station device, wherein, when the second information indicates NR, the control unit is configured to include only one or more bands configured for the NR in the supported band combination, and the control unit determines the feature set and the feature set combination of the supported band combination and configured to include the feature set and the feature set combination in the terminal capability information, wherein, when the second information indicates E-UTRA, the control unit is configured to include one or more bands configured for the E-UTRA in the supported band combination, and wherein, when the second information indicates NR and E-UTRA, the control unit is configured to include at least one band configured for the NR and at least one band configured for the E-UTRA in the supported band combination, and the control unit is configured to determine the feature set combination corresponding to the supported band combination, and configured to include the feature set combination in the terminal capability information.