RADIO TRANSMITTERS AND RECEIVERS; RADIO FREQUENCY REMOTE CONTROLS AND CONTROL INTERFACES FOR INDUSTRIAL MACHINERY, CONSTRUCTION MACHINES, AND HEAVY CONSTRUCTION EQUIPMENT; WIRELESS DATA AND INPUT/OUTPUT LINKAGE DEVICES, NAMELY RADIO TRANSMITTERS, RADIO RECEIVERS, AND RADIO TRANSCEIVERS, FOR CONNECTING REMOTE INSTRUMENTS, DEVICES, RECORDERS AND INDUSTRIAL AUTOMATION EQUIPMENT TO PROGRAMMABLE LOGIC CONTROLLERS, HUMAN-MACHINE INTERFACES, DISTRIBUTED CONTROL SYSTEMS, AND INDUSTRIAL LOCAL AREA NETWORKS