PCB Mounting type modular network data jack with 8 Horizontal pins for easy PCB mounting, which is signal connector used in network equipment. RJ45 single female connectors and network interface adapter board is welded together, you don't need secondary processing to use it.Easy to use it. The board is made of FR4 fiberglass board. Not only has extremely high insulation and heat resistance,but also has excellent electrical and mechanical properties. The size of the product is 37.21mm x 28.23mm,which is easy to carry and widely applies to home or office network system, 3C digital electronic equipment,computer equipment and other. Colour:As Shown Material:Plastic+Metal Package Contents: 4 * RJ45 Ethernet Breakout Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.