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
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
Delock Products 89528 Delock PCI Express x2 Card 1 x RJ45 10 Gigabit LAN AQC113CS
4 Port 10/100/1000 RJ45 to Fiber Switch - Singlemode/Multimode - Accepts (x2) SFP Tranceiver Modules | Fibertronics, Inc.
ProSoft Technology AN-X2-AB-DHRIO Gateway, Ethernet/IP to Allen Bradley Remote I/O or DH+ Protocol, RJ45 Ethernet Interface | SMC
Data module (2x RJ45) | HARTING Technology Group
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
RJ45 Male Plug to 2x Screw Terminal
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
RJ45 / 8P8C Mini Breakout Board | SchmalzTech
RJ45 Splitter Adapter Cable, Ethernet Cat5/Cat5e, 6 in | Eaton
NovaStar H Series 2x RJ45 Input Card H_2xRJ45 - Olympian LED