Features: 1.Industrial Grade: This RS485 Hub adopts industrial grade, which can be expanded from 1 master RS485 port to 8 slave RS485 ports to realize RS485 network relay, expansion and isolation functions. 2.Optoelectronic Isolation: This industrial RS485 repeater features optoelectronic isolation protective circuit, effectively protecting RS485 equipment from potential difference, static electricity, thunderstrike and surge damage. 3.300 to 460800bps: This RS485 splitter supports 300 to 460800bps wide baud rate for communication range(self adaption). 4.Easy Installation: This RS485 repeater adopts housing with guide rail type design, which ensures easy and quick installation. 5.Wide Application: This opto isolated hub is ideal for data acquisition, Internet of Things gateway, security Internet of Things and intelligent instrument monitoring and other fields. specification:Item Type: RS485 Hub Material: ABS Interface Standard: Meets The RS485 Standard Physical Port: RS485 Wiring Terminal Communication Rate: 300 to 460800bps Baud Rate (Self Adaptive) Nodes Supported: Each RS485 Port Supports Up To 32 Nodes Communication Distance: 1200m(9600bps), Higher The Communication Rate, Shorter The Distance Working Mode: RS485 Two Wire (A, B), Half Duplex Transparent Transmission Supply Voltage: DC9 to 24V Operating Temperature: Minus 45 to Plus 85 Ambient Humidity: Less Than 95%RH Transmission Medium: Ordinary Parallel/Twisted Pair PackageList:1 x RS485Hub