A wireless checkout system includes peripheral stations, a server that stores location information indicating a position coordinate of each of the peripheral stations, one or more base stations, and a mobile point-of-sale (POS) terminal. The mobile POS terminal includes a wireless communication interface configured to receive a wireless signal from the base stations, a display, and a processor. The processor designates one of the peripheral stations as an associated peripheral station, determines a position coordinate of the mobile POS terminal based on the wireless signal, selects, based on the determined position coordinate of the mobile POS terminal and the location information, another of peripheral stations that is closest to the mobile POS terminal to be an alternative peripheral station to be recommended for the checkout, when the associated peripheral station is not available, and then controls the display to display a screen indicating the alternative peripheral station.