RJ45/RJ11 Splitter Cable Sharing Kit for Ethernet and Phone Lines – Dualcomm
Amazon.com: Dual Port Gigabit Ethernet Converged PCI-E x1 Card,2X RJ45 Gigabit Network Interface Controller Adapter,with 82575EB Chipset for Desktops,Work Stations,Servers, with Low Profile Bracket. : Electronics
Dual Port POE RJ45 Connector Magjack 10/100Base-T x2 Shielded With LED
FC3-LAN, FACET-Card (2x Gbit Ethernet) – fit IoT
Amazon.com: EB-LINK 2 Pair PoE Adapter Cable RJ45 Passive PoE Injector and PoE Splitter Kit with 5.5x2.1 mm DC Connector Passive Power Over Ethernet 12v Synthesizer Separator Combiner Black : Electronics
MSW-4204S-AD 2x 10G SFP+ and 4x Gigabit RJ45 EDD switch (Ethernet Demarcation Device) for Metro Ethernet networks w/ full 802.3ah OAM support (NID), SyncEthernet support, AC and DC power inputs
NovaStar H Series 2x RJ45 Input Card H_2xRJ45 - Olympian LED
X2 Doubler RJ45 RJ 45 CAT 5 6 7 For extension of female adapter extension Ethernet 1 Internet at one time - adaptive French brand : Amazon.nl: Electronics & Photo