??- Compatible with RS-485 and RS-232C of EIA/TIA<br />- Transmission rate: 300~115200 BPS<br />- Transmission distance: 5m (RS-232)、 1200m(RS-485)<br />- Communication protocol: transparent<br />- Working temperature: -10?~85?<br />- Signal: <br />? RS-232: TXD、 RXD、 RTS、 CTS、 DTR、 DSR、 DCD、 GND<br />? RS-485: Date+、 Date-、 GND<br />                                                                                                                                Dimensions: 3.86 in x 1.26 in x 0.67 in<br />Weight: 2.61 oz