Onboard 3-way USB expansion port, compatible with USB 2.0/1.1 transmission Onboard RTL8152B Ethernet chip, lead out RJ45 network port, 10/100M adaptive Each USB port is equipped with ESD protection, the device connection is protected from surge damage and data loss. On-board large-capacity electrolytic capacitors can effectively make the USB port power supply output more stable On-board over-voltage protection circuit, can effectively prevent other high-voltage power supply connection to cause equipment damage Multiple on-board protection circuits: over-voltage protection, over-current and short-circuit protection, over-temperature protection, reverse current protection, under-voltage lockout, 8KV ESD protection , filter protection, etc. Multiple onboard LED indicators, easy to check the working status of the power supply, network port and USB interface USB interface: USB 2.0 interface x 3, theoretically up to 480Mbps Network port: 10/100M adaptive USB HUB T input: Working voltage: 5V Interface form: USB-B type interface USB output: Working voltage: 5V@lmax:1.2A Interface form: USB-A type interface External power supply: Power supply voltage: DC 5V2, interface form: DC power supply terminal Operating environment: -40C ~ 85C : Compatible: OS (version 8.6 and above), Linux ( version above 2.4.20) Windows 11 / 10 / 8.1/ 8 /7/ XP Industrial grade metal shell, sturdy and , reserved screw holes for easy installation and fixation Using industrial grade HUB chip, using STT technology, USB is more stable and smooth at the same time name:Industrial Grade USB HUB Model Number: USB-HUB-3U-ETH STANDARD: USB 2.0 Suitable For: Industrial/Office Environments With Higher Level Device Requirements color:Black Material:ABS Package Contents: 1 x USB-HUB-3U-ETH 1 x USB cable 1.2m Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.