Radio communication system for an industrial automation system having - at least a first and a second communication device redundantly connected to an industrial communication network and each having - at least a first and a second communication network port, - a signal processing unit connected to the first and second communication network ports and having a multiplexer unit for the parallel forwarding of data frames to be sent to the two communication network ports and a redundancy handling unit for processing data frames received from the two communication network ports, wherein the redundancy handling unit comprises a filter unit configured and set up for detection of received redundant data frames (11, 12), wherein - the first and the second communication device are each indirectly or directly connected, by means of their first communication network port, to a respective first radio transceiver station (231, 331), - the first and the second communication device are each indirectly or directly connected, via their second communication network port, to a respective second radio transceiver station (232, 332), characterized in that - the first (231, 331) and second (232, 332) radio transceiver stations are configured and set up so that a sequence for data frames (111-118, 121-128) to be sent within a prescribed interval of time is stipulated on the basis of destination MAC addresses associated with the data frames to be sent, wherein the sequence is stipulated within data frames to be sent to a selected destination MAC address by means of the order in which said data frames are received, - the first (231, 331) and second (232, 332) radio transceiver stations are configured and set up so that the first and second radio transceiver stations connected to the same communication device coordinate their sequences for data frames to be sent by means of send queue management such that the two radio transceiver stations never send data frames to the same destination MAC address at the same time. - at least a first and a second communication device redundantly connected to an industrial communication network and each having - at least a first and a second communication network port, - a signal processing unit connected to the first and second communication network ports and having a multiplexer unit for the parallel forwarding of data frames to be sent to the two communication network ports and a redundancy handling unit for processing data frames received from the two communication network ports, wherein the redundancy handling unit comprises a filter unit configured and set up for detection of received redundant data frames (11, 12), wherein - at least a first and a second communication network port, - a signal processing unit connected to the first and second communication network ports and having a multiplexer unit for the parallel forwarding of data frames to be sent to the two communication network ports and a redundancy handling unit for processing data frames received from the two communication network ports, wherein the redundancy handling unit comprises a filter unit configured and set up for detection of received redundant data frames (11, 12), - the first and the second communication device are each indirectly or directly connected, by means of their first communication network port, to a respective first radio transceiver station (231, 331), - the first and the second communication device are each indirectly or directly connected, via their second communication network port, to a respective second radio transceiver station (232, 332), characterized in that - the first (231, 331) and second (232, 332) radio transceiver stations are configured and set up so that a sequence for data frames (111-118, 121-128) to be sent within a prescribed interval of time is stipulated on the basis of destination MAC addresses associated with the data frames to be sent, wherein the sequence is stipulated within data frames to be sent to a selected destination MAC address by means of the order in which said data frames are received, - the first (231, 331) and second (232, 332) radio transceiver stations are configured and set up so that the first and second radio transceiver stations connected to the same communication device coordinate their sequences for data frames to be sent by means of send queue management such that the two radio transceiver stations never send data frames to the same destination MAC address at the same time.