ITEM NAME:20 In 1 RJ45 Connector Breakout Board Module Cable Adapter PCB - Red Description: RJ45 connectors are the kind that are used for Ethernet jacks Making great general purpose connectors when you need a lot of conductors This is a small PCB that brings out the pins of the RJ45 connector to an in-line 0.1" footprint Use with break-away headers for breadboarding or create your own RJ45 cable Check the related items for Ethernet cable and connectors to go with it Specification: Size: Approx. 20x15x2mm/ 0.79x0.59x0.079 inch Package Includes: 20 Pieces of RJ45 Connectors Board SKU: DMO0012894519328155.This is a small PCB that brings out the pins of the RJ45 connector to an in-line 0.1" footprint. RJ45 connectors are the kind that are used for Ethernet jacks. Use with break-away headers for breadboarding or create your own RJ45 cable.