StarTech.com RJ45 Coupler 5-Pack, Inline Cat6 Coupler, Female to Female (F/F) T568 Connector, Unshielded Ethernet Cable Extension - RJ45 Cat6 Coupler 5-Pack is ideal for multiple setups; T568B Pinouts; 1/2.5/5/10G and 10/100 networks with PoE; Insertion Loss margin of 35.4dB exceeds industry standards; Supports 10BASE-T/100BASE-TX/100BASE-T4/1000BASE-T/2.5GBASE-T/5GBASE-T

StarTech.com LC to LC Coupler, LC Fiber Coupler, LC/UPC Duplex Keystone Jack, Fiber Optic Keystone Coupler for Patch Panel - LC to LC keystone coupler supports Single Mode and Multimode fiber cables; Ideal for keystone patch panels and wall plates; Toolless setup; Insertion Loss rated below 0.2dB; Supports 9/125um 62.5/125um and 50/125um fiber cores; Includes dust covers

StarTech.com RJ45 Coupler, Inline Cat6 Coupler, Female to Female (F/F) T568 Connector, Unshielded Ethernet Cable Extension - RJ45 Cat6 Coupler for connecting two UTP Ethernet cables; Supports T568B wiring and 10/100/1000 networks up to 1 Gbps; Insertion Loss margin of 35.4dB exceeds industry standards; Supports 10BASE-T/100BASE-TX/100BASE-T4/1000BASE-T/2.5GBASE-T/5GBASE-T

Tripp Lite By Eaton Eaton Tripp Lite Series Duplex Multimode Fiber Coupler (SC/ST) - 2 x SC Network Female - 2 x ST Network Female

Tripp Lite By Eaton Eaton Tripp Lite Series Duplex Multimode Fiber Optic Coupler, (LC/LC) - 2 x LC Network Female - 2 x LC Network Female

Tripp Lite By Eaton Eaton Tripp Lite Series Duplex Singlemode Fiber Optic Coupler, (LC/LC) - 2 x LC Network Female - 2 x LC Network Female

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

Tripp Lite By Eaton Eaton Tripp Lite Series Duplex MMF / SMF Coupler (SC/SC) - 2 x SC Network Female - 2 x SC Network Female

Tripp Lite By Eaton Eaton Tripp Lite Series Duplex Singlemode Fiber Coupler (LC/LC) - 2 x LC Network - 2 x LC Network

Tripp Lite By Eaton Eaton Tripp Lite Series Duplex Multimode Fiber Coupler (LC/LC) - Plastic

Tripp Lite Eaton Tripp Lite Series Duplex Multimode Fiber Coupler (SC/ST) - 2 x SC Network Female - 2 x ST Network Female

Tripp Lite Eaton Tripp Lite Series Cat6a Shielded In-Line DIN-Rail Mountable Snap-In Coupler (RJ45 F/F), TAA - 1 x RJ-45 Network Female - 1 x RJ-45 Network Female - Gold Contact - Light Gray - TAA Compliant

Tripp Lite Eaton Tripp Lite Series Duplex MMF / SMF Coupler (SC/SC) - 2 x SC Network Female - 2 x SC Network Female

Tripp Lite Eaton Tripp Lite Series Duplex Singlemode Fiber Coupler (LC/LC) - 2 x LC Network - 2 x LC Network

Tripp Lite Eaton Tripp Lite Series Duplex Singlemode Fiber Optic Coupler, (LC/LC) - 2 x LC Network Female - 2 x LC Network Female

Legrand Ortronics Infinium HDJ Fiber Module, LC Duplex, 2F, Lime Adapter, Black Housing - 2 x LC network - Lime Green - 1 Pack