●【Easy extension】Shielded Female to Female cat6 keystone jack can be used connect two Cat5e/Cat6 Ethernet network cables.Protective shielded housing reduces EMI/RFl interference. ●【zinc alloy&Gold plated】Protective shielded housing reduces EMI/RFI interference,making signal transmission faster and more stable.Gold plated contacts and easy snap-in retaining clip ensure a secure and comosion free connection; Metal enclosures provide reliable shielding. ●【Performance】Phosphor Bronze with Gold plated on plug contact area and easy snap-in retaining clip. ●【Compatibility】Fits all standard keystone wall plates, blank patch panel, and surface mount boxes. ●【Scenario application】cat6 keystone coupler is easy for voice, home networking, home office, video and more DIY project.standard keystone wall plates, blank patch panel, and surface mount boxes. ●【Certificates 】This product has passed ISO9001 and ROHS and has reliable quality. ●【Customization】Support customization, let's realize your wonderful ideas and designs!