EXTEND SHORT CABLE Oxsubor RJ45 Coupler extender is deal for extending ethernet connection by connecting 2 short network cables together.FAST SPEED To 10 GABITE The RJ45 connector can speed up to 10 gabite for connecting Cat7/Cat6 ethernet cable.SAFE And SECURE With Gold plated contacts and easy snapin retaining clip the coupler ensure a secure and corrosion free connection.COMPATIBILITY This 8P8C female to female Ethernet coupler jack is compatible with Cat7 Cat6 Cat5e Cat5 network.HH PERFORMANCE UL Listed RJ45 inline jack coupler meets Category 6 performance in compliance with the TIA/EIA 568C.2 standard.