A base station device includes a first electronic component and a second electronic component that are connected. The first electronic component includes a generator configured to generate data; scramblers configured to perform, by using different codes, a scrambling process on the data generated by the generator; and a sending driver configured to send, by using different transmission lines, signals obtained by being subjected to the scrambling process by the respective scramblers and the second electronic component includes a receiver configured to receive the signals transmitted by the sending driver; descramblers configured to perform, by using the codes used by the respective scramblers, a descrambling process on the respective signals received by the receiver; and a selector configured to select one of a plurality of pieces of data obtained by being subjected to the descrambling process by the respective descramblers.
