An air conditioning device remote control apparatus comprising: a transmission unit that transmits an operation signal to an associated air conditioning device; a wireless communication unit that performs wireless communication with an external wireless communication device or another remote control apparatus; and a main control unit that controls the transmission unit and the wireless communication unit, wherein in a case in which the wireless communication unit receives an operation signal from the external wireless communication device or the another remote control apparatus, the main control unit transmits, via the transmission unit, the operation signal to the associated air conditioning device, and performs, via the wireless communication unit, detection of another remote control apparatus emitting radio waves, and in a case in which the wireless communication unit detects the another remote control apparatus emitting radio waves, the main control unit transmits, via the wireless communication unit, the operation signal to the another remote control apparatus emitting radio waves, and the air conditioning device remote control apparatus further comprising: a wireless route management unit that saves wireless route information including an ID that identifies a remote control apparatus, wherein the wireless route information includes the IDs of the remote control apparatus that have received the operation signal thus far, in an order in which the operation signal was received, and in a case in which the wireless communication unit receives the wireless route information from the another remote control apparatus, the main control unit saves, via the wireless route management unit, its own ID appended to a last ID among the IDs included in the wireless route information. a transmission unit that transmits an operation signal to an associated air conditioning device; a wireless communication unit that performs wireless communication with an external wireless communication device or another remote control apparatus; and a main control unit that controls the transmission unit and the wireless communication unit, wherein in a case in which the wireless communication unit receives an operation signal from the external wireless communication device or the another remote control apparatus, the main control unit transmits, via the transmission unit, the operation signal to the associated air conditioning device, and performs, via the wireless communication unit, detection of another remote control apparatus emitting radio waves, and in a case in which the wireless communication unit detects the another remote control apparatus emitting radio waves, the main control unit transmits, via the wireless communication unit, the operation signal to the another remote control apparatus emitting radio waves, and the air conditioning device remote control apparatus further comprising: a wireless route management unit that saves wireless route information including an ID that identifies a remote control apparatus, wherein the wireless route information includes the IDs of the remote control apparatus that have received the operation signal thus far, in an order in which the operation signal was received, and in a case in which the wireless communication unit receives the wireless route information from the another remote control apparatus, a wireless route management unit that saves wireless route information including an ID that identifies a remote control apparatus, wherein the wireless route information includes the IDs of the remote control apparatus that have received the operation signal thus far, in an order in which the operation signal was received, and in a case in which the wireless communication unit receives the wireless route information from the another remote control apparatus, the main control unit saves, via the wireless route management unit, its own ID appended to a last ID among the IDs included in the wireless route information.