BECKHOFF KL6001 Bus Terminal, 1-channel communication interface, serial, RS232

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Beckhoff EL6631 EtherCAT-Klemme 2-Port-Kommunikations-Interface -used-

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RS232 Serial port to 2.4Ghz WIFI Transparent Transmission Module Multi protocol

RS232 Serial Port to 2.4Ghz WIFI Transparent Transmission Module Multi protocol