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Amazon.com: USB C to Ethernet Adapter, uni RJ45 to USB C Thunderbolt 3/Type-C Gigabit Ethernet LAN Network Adapter, Compatible for MacBook Pro 2020/2019/2018/2017, MacBook Air, Dell XPS and More - Gray :
Amazon.com: mumbi LAN Cable 5 m CAT 8 Network Cable Shielded F/FTP CAT8 Ethernet Patch Cable RJ45 5 m White : Electronics
Amazon.com: RJ45 to RS232,LFHUKEJI DB9 9-Pin Serial Port Female to RJ45 Cat5 Ethernet LAN Console 4.9Ft : Industrial & Scientific
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Amazon.com: Network RJ45 Splitter Adapter, 1 to 2 Port Ethernet Socket Connector,RJ45 Male to 2 x Female LAN Ethernet Splitter Adapter Cable Compatible with Cat5, Cat5e, Cat6, Cat7(Black-1 to 2) : Electronics