A base station, comprising: a baseband unit, a radio remote unit, a power supply device, a signal transmission device, and a backup power supply device, wherein: the power supply device is configured to convert an input alternating current into a direct current and output the direct current to the baseband unit, the radio remote unit, the signal transmission device, and the backup power supply device; the backup power supply device is configured to output a direct current to the baseband unit, the radio remote unit, and the signal transmission device in a case in which the alternating current is off; and the signal transmission device is configured to convert a signal output by the baseband unit into a long-distance transmission signal and output the long-distance transmission signal, wherein: the baseband unit and the radio remote unit are mounted on an antenna tower or a pole; and at least one of the power supply device, the signal transmission device, and the backup power supply device is also mounted on the antenna tower or the pole; wherein the baseband unit, the radio remote unit and at least one of the power supply device, the signal transmission device and the backup power supply device are referred to as tower-mounted devices; the tower-mounted devices mounted on the antenna tower or the pole are arranged in one or more rows in a height direction of the antenna tower or the pole; and tower-mounted devices located in a same row are in a box shape and are aligned in the height direction and at least one row has two or more of the tower-mounted devices. the power supply device is configured to convert an input alternating current into a direct current and output the direct current to the baseband unit, the radio remote unit, the signal transmission device, and the backup power supply device; the backup power supply device is configured to output a direct current to the baseband unit, the radio remote unit, and the signal transmission device in a case in which the alternating current is off; and the signal transmission device is configured to convert a signal output by the baseband unit into a long-distance transmission signal and output the long-distance transmission signal, wherein: the baseband unit and the radio remote unit are mounted on an antenna tower or a pole; and at least one of the power supply device, the signal transmission device, and the backup power supply device is also mounted on the antenna tower or the pole; wherein the baseband unit, the radio remote unit and at least one of the power supply device, the signal transmission device and the backup power supply device are referred to as tower-mounted devices; the tower-mounted devices mounted on the antenna tower or the pole are arranged in one or more rows in a height direction of the antenna tower or the pole; and tower-mounted devices located in a same row are in a box shape and are aligned in the height direction and at least one row has two or more of the tower-mounted devices. the baseband unit and the radio remote unit are mounted on an antenna tower or a pole; and at least one of the power supply device, the signal transmission device, and the backup power supply device is also mounted on the antenna tower or the pole; wherein the baseband unit, the radio remote unit and at least one of the power supply device, the signal transmission device and the backup power supply device are referred to as tower-mounted devices; the tower-mounted devices mounted on the antenna tower or the pole are arranged in one or more rows in a height direction of the antenna tower or the pole; and tower-mounted devices located in a same row are in a box shape and are aligned in the height direction and at least one row has two or more of the tower-mounted devices. <EOS>