30 Pack Blue RJ45 Female to Female Inline Ethernet Coupler, Network Cable Extender Connector Compatible with Cat5/Cat5e/Cat6/Cat7/Cat8 Ethernet Wires

This inline RJ45 ethernet coupler set includes 30 blue female-to-female adapters, serving as a practical cable extender to connect two separate ethernet cables into one longer line. It supports all mainstream cable standards ranging from Cat5 to Cat8, delivering consistent high-speed transmission with minimal signal attenuation.

Each coupler adopts premium gold-plated contact pins to prevent corrosion, ensuring steady network performance for online gaming, 4K streaming, office work and surveillance systems. The distinctive blue outer casing helps distinguish different circuit groups during cable arrangement, greatly simplifying maintenance work.

Constructed with sturdy wear-resistant plastic, it withstands frequent plugging and unplugging. Plug-and-play design requires no extra drivers or complicated setup. This cost-effective 30-piece bulk package is perfect for home network renovation, office cabling engineering, server room layout and daily spare part replacement.