Amazon.com: 2× RJ45 Coupler with Extra Shielding– Network Cable Connector & Ethernet Cable Extender (Two RJ45 Jacks, Easy Way to Connect/Extend Ethernet Cables, CAT 6A for up to 10Gbit/s, Black) – by
Ethernet Extender Kit (Pair 2pc) - Tupavco TEX-100 - Range up to 1 Mile/7000FT over Phone Copper Wire or CAT5/CAT6 Network Cable -VDSL2 Lan Booster Bridge Repeater-VDSL High-Speed Broadband 100 Mbps -