IN IN570DEN2015A
A reader/writer (15) as a communication device that performs at least one of reading identification information included in an IC tag (30) as an identification component and writing of identification information to the IC tag (30) is provided with: a CPU board (23) as a control board provided with a CPU (32) as a control unit that controls at least one of the operations and a wireless control circuit unit (35) that outputs a radio wave in accordance with a command from the CPU (32); an antenna unit (24) spaced apart from the CPU board (23); and a connection cable (26) electrically connecting the CPU board (23) and the antenna unit (24). The CPU board (23) is provided with a disconnection detection unit (61) that detects disconnection of the connection cable (26) and a transmission control unit that stops an output from the wireless control circuit unit (35) to the antenna unit (24) when it is determined by the disconnection detection unit (61) that the connection cable (26) is disconnected.
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