Waveshare Industrial Grade Multifunctional USB HUB Extending 3X USB Ports + 100M Ethernet Port Suitable for Industrial/Office Environments Requiring Higher Level Device Without Power Supply

3x extended USB ports, compatible with USB 2.0 / 1.1. Onboard RTL8152B Ethernet chip, adapting RJ45 network port, 10/100M adaptive ^^ Industrial grade HUB chip, adopting STT technology, allows stable and smooth concurrent USB connections. ESD protection for each USB port, preventing electric surge damage and data loss ^^ Onboard large-capacity electrolytic capacitor, effectively making the power supply output of the USB port more stable. Over-voltage protection, effectively preventing other high voltage power input from damaging the connected devices ^^
Multiple protection circuits: over-voltage, over-current, short circuit, over-temperature, reverse current, under voltage lock-out, 8KV ESD protection, filtering protection, etc. ^^ LED indicators for monitoring operating statuses of power supply, network port and USB ports. Industrial grade metal case, rugged & durable, with mounting holes for easy installation