Embodiments of the present invention relate to the field of wireless communication technologies, and provide a transceiving module, an antenna, a base station and a signal receiving method, which are capable of implementing receiving of four dual-band signals and improving uplink network performance of a base station. The bracket includes a recess, a back plate defining a pair of cutouts, and a pair of fixing frames next to the cutouts. The controls of the device have been linked both electronically and mechanically for ease of operation. Both the rear exposure and the front exposure may be used. The device is allowed to access the stored data based on the authorization status at the time the request is received.