StarTech.com Shielded RJ45 Coupler, Inline Cat6a Coupler, Female to Female (F/F) T568B Pinout, Shielded Ethernet Cable Extension - Shielded RJ45 Coupler supports 2.5G/5G/10G and 10/100/1000 networks w/PoE; Compatible w/Cat 6/6a and Cat 5/5e cables; Durable metal and ABS housing for optimal EMI protection; Compliant w/ANSI/TIA/EIA-568-C standards; Ideal for office/home networking