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Moxa UPort 404A-T: 4-port industrial-grade USB 3.2 hubs, w/o adaptor, -40 to 85°C operating temperature
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Amazon.com: MOXA UPort 1410 USB to 4-Port RS-232 Serial Hub, USB 2.0 hi-Speed, 921.6Kbps, 15KV ESD Protection : Electronics
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