DCH-BM(Modbus RTU 485) Size: 140 × 80 × 65mm Weight: 200g (excluding antenna and cable) Antenna: external (standard 3M TNC antenna) Housing material / protection grade: PA6+30%GF / IP65 Temperature range: -25℃~+70℃ (-13F to +158F) Humidity range: 0 - 97% maximum non-condensing Center frequency range: 433-434mhz Rubber vibration: 4 shock pads Protocol output: Modbus RTU 485 Standard emergency stop : bus emergency stop signal output + physical emergency stop output LED indicator: operation status indication / RF signal indication / power supply indication Output options: connector, cable optional Safety: Active and passive Stop function,Parity & Checksum Response time:less than 100ms Adaptable transmitter: all series shoulder belt transmitters Power supply options: 9-36vdc or 30-420vac Calble control optional