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Amazon.co.jp: RJ45 USB 2.0 Extender Adapter, USB over Ethernet RJ45 Extender Adapter, Cat5/RJ45/Cat6 Ethernet USB Network Adapter (Macbook Compatible) : Computers
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Amazon.com: E-SDS USB 2.0 Extender to RJ45 Over Cat5 Cat5E Cat6 up to 328 Ft, USB Ethernet Extender Over Cat5/5E/6 Supports Windows/Mac/Vista, Plug and Play, No Driver Needed, with a 4 Ports
StarTech.com USB 2.0 Extender Kit over Cat5e/Cat6 - Up to 165ft - USB over Ethernet Cable - Powered - USB2001EXTV - USB Adapters - CDW.com
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