RJ45 Coupler Usage: This extender is ideal for extending ethernet connection by connecting 2 short network cables together. Plug and play, no drivers are required. High Speed Data Transfer. Safe and Secure : With nickel plated contacts and easy snap-in retaining clip, the coupler ensure a secure and corrosion free connection. RJ45 inline jack coupler meets Category 6 performance, compatible with TIA/EIA 568-C.2 standard and RoHS certification. Female to Female Ethernet coupler jack is compatible with Cat7, Cat6, Cat5e, Cat5 network. If you have any questions, please contact customer service, we will provide you with the best after-sales support Attention: This Ethernet splitter allows two computers to share one Ethernet line, but it doesn't support both computers to connect onto the internet simultaneously. Package includes: 2 x LAN Splitter Adapter