The Ugreen 20390 RJ45 Coupler is a reliable and efficient solution for extending the length of your Ethernet cable without signal loss. Designed for Cat7, Cat6, and Cat5e cables, this high-speed connector supports data transfer rates of up to 10 Gbps, ensuring stable performance for both home and professional networks.

Built with copper-plated contacts and an impact-resistant, flame-retardant housing, the Ugreen 20390 guarantees a secure and long-lasting connection. The precision-engineered internal layout ensures minimal crosstalk and full compliance with TIA/EIA 568-C.2 standards.

🔹 Key Features

Compatible with Cat7 / Cat6 / Cat5e Ethernet cables

Supports 10 Gbps high-speed data transmission

RJ45 female-to-female coupler for cable extension

Gold-plated copper contacts for maximum signal integrity

Impact-resistant and flame-retardant ABS housing

Plug & Play — no tools or configuration required

Meets or exceeds Category 6 performance standards

🔹 Technical Specifications
Parameter Specification
Model Ugreen 20390
Type RJ45 Female-to-Female Coupler
Compatibility Cat7 / Cat6 / Cat5e
Data Rate Up to 10 Gbps
Standard TIA/EIA 568-C.2
Contacts Gold-plated copper
Material Flame-retardant ABS plastic
Color Black
Dimensions 45 × 22 × 16 mm
Weight 20 g