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Amazon.com: Ethernet Splitter Adapter, 2022 RJ45 Female 1 to 2 Female Socket Adapter, Ethernet Cable 8P8C Extender Plug LAN Network Connector for Cat5, Cat5e, Cat6, Cat7(Deep Black) : Electronics
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RJ-45 Ethernet Round Panel Mount Extension Cable - 30cm : ID 4215 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits