An electronic device is provided. The electronic device includes a housing including a first housing and a second housing, a flexible display, at least one contact structure, a first processor, and a first ultrawide band (UWB) antenna, a second UWB antenna, a third UWB antenna, and a fourth UWB antenna, and, in a first state, the first processor may transmit and/or receive a signal of a designated frequency band, based on at least two of the first UWB antenna and the second UWB antenna, and the third UWB antenna, and, in a second state, the first processor may transmit and/or receive a signal of a designated frequency band, based on at least two of the first UWB antenna and the second UWB antenna, and the fourth UWB antenna which is disposed in the flexible display.