n style="font-size: 12px;">USB hubs with external power are the most guaranteed option to achieve the widest compatibility with USB devices. UPort 404 entry-level USB 2.0 hubs can multiplex 1 USB port up to 4 USB ports. UPort 404 is USB-IF Hi-Speed certified, proving that these products are extremely high quality and reliable USB 2.0 hubs. Additionally, UPort 404 hubs are very advantageous for mobile applications because they support 12-40 VDC power.
USB-IF certification is a high-level quality certificate for high-speed USB operation in many electrical conditions. This shows that UPort 404's 480 Mbps USB data transfer rate can be achieved even under variable electrical conditions.
Electrostatic discharge (ESD) is a parameter that can reach situations where an accelerated ESD increase of thousands of volts reaches the junction areas of the protection devices. To prevent serious damage in these cases, Moxa's UPort 404 USB hubs provide ESD level 4 (contact 8 KV, air 15 KV) protection. This protection shows how high quality and ready for end use these products are.
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