An antenna transmission apparatus, comprising: a housing including an upper cover and a lower cover; an input shaft; at least two sets of output shafts rotatably mounted between the upper cover and the lower cover, each set of the at least two sets of output shafts including an output shaft and an auxiliary shaft in transmission fit with the output shaft; a planetary gear position selection assembly including a planetary gear; and a unidirectional control assembly driven by the input shaft to rotate the input shaft: in a first rotation direction moving the planetary gear of the planetary gear position selection assembly along a track surrounded by the at least two sets of output shafts in the first rotation direction to a predetermined position at which the planetary gear is in transmission fit with one set of the at least two sets of output shafts, and in a second rotation direction, driving a corresponding output shaft of the one set of the at least two sets of output shafts at the predetermined position to rotate with the planetary gear, the second rotation direction being a reverse rotation direction relative to the first rotation direction, in the second rotation direction the planetary gear rotates in transmission fit with the output shaft or the auxiliary shaft in a same set of output shafts, so as to respectively obtain bidirectional rotation output of the output shafts, wherein the input shaft is driven by external power to bidirectionally drive the planetary gear to rotate in the first rotation direction or rotate in the second rotation direction. a housing including an upper cover and a lower cover; an input shaft; at least two sets of output shafts rotatably mounted between the upper cover and the lower cover, each set of the at least two sets of output shafts including an output shaft and an auxiliary shaft in transmission fit with the output shaft; a planetary gear position selection assembly including a planetary gear; and a unidirectional control assembly driven by the input shaft to rotate the input shaft: in a first rotation direction moving the planetary gear of the planetary gear position selection assembly along a track surrounded by the at least two sets of output shafts in the first rotation direction to a predetermined position at which the planetary gear is in transmission fit with one set of the at least two sets of output shafts, and in a second rotation direction, driving a corresponding output shaft of the one set of the at least two sets of output shafts at the predetermined position to rotate with the planetary gear, the second rotation direction being a reverse rotation direction relative to the first rotation direction, in the second rotation direction the planetary gear rotates in transmission fit with the output shaft or the auxiliary shaft in a same set of output shafts, so as to respectively obtain bidirectional rotation output of the output shafts, wherein the input shaft is driven by external power to bidirectionally drive the planetary gear to rotate in the first rotation direction or rotate in the second rotation direction. in a first rotation direction moving the planetary gear of the planetary gear position selection assembly along a track surrounded by the at least two sets of output shafts in the first rotation direction to a predetermined position at which the planetary gear is in transmission fit with one set of the at least two sets of output shafts, and in a second rotation direction, driving a corresponding output shaft of the one set of the at least two sets of output shafts at the predetermined position to rotate with the planetary gear, the second rotation direction being a reverse rotation direction relative to the first rotation direction, in the second rotation direction the planetary gear rotates in transmission fit with the output shaft or the auxiliary shaft in a same set of output shafts, so as to respectively obtain bidirectional rotation output of the output shafts, wherein the input shaft is driven by external power to bidirectionally drive the planetary gear to rotate in the first rotation direction or rotate in the second rotation direction.