RJ45 Female Connector for Embedded Board 10pcs from Ingketech on Tindie
RJ-45 Ethernet Female Socket to Terminal Spring Block Adapter : ID 4511 : $7.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Revo RJ45 Female to Female Keystone Style Indoor Network Coupler (4-Pack) NC-2BNDL4 - The Home Depot
Amazon.com: cablecc Locking Waterproof CAT6 RJ45 Female to Female LAN Ethernet Network Extension Adapter Coupler : Electronics
1-Port USB 1.1 Over Cat5 Superbooster™ Extender Dongle RJ45 Female to USB B Male Receiver | USB Extension Cables and Devices | USB Cables, Adapters, and Hubs | USB and PC
GEM BY TRIPLETT, Coaxial, Black, Video Adapter - 323PK2|BLN-RJ452 - Grainger
RJ45-DB9 (Female) Adapter for C2/L2-RJ45 Console Cable - Get Console Shop
DELOCK 85124: Adapter RJ45 female > RJ45 female panel-mount Cat.6 UTP at reichelt elektronik
4pcs/lot High Quality Cat5 Cat6 Rj45 Female To Female Lan Connector Ethernet Network Cable Extension Adapter - Computer Cables & Connectors - AliExpress
DB9 Male to RJ45 Female Modular Adapter
Waterproof Lock RJ45 Female to RJ45 Female Ethernet Adapter Coupler