This line adaptor is part of the XG range, an offer of RFID readers and electronic tags. RFID, Radio Frequency Identification, refers to radio frequency identification systems, 13.56 MHz. This product is a line adaptor RS 232C/RS 485 without modem signals. Power supply 18V to 30V DC. Consumption 20mA. Electrical connection by screw connectors. For mounting on a 35mm DIN rail.