... than 13m, suggestion distance is 3m or lessRS485: bus line max length 1200m, suggestion length 1000m or less, if ... on net coverage areaCollocationsPCB board, case, power, power line, serial port communication line, software, manual, certificate, key(2pcs), cartonAlarm for long ... and useVisual identificationTHe Software GUI Interface: Ethernet FOUR Door Access control system Language Option French