4 RJ45+1 Fiber Gigabit Ethernet Fiber Switch (NF-A1004S20) Shenzhen Nufiber Technology Co., Ltd. Base Info Model NO.:NF-A1004S20Trademark:NufiberSpecification:SGSOrigin:China Description Pre:Composite Stereo Video Cable for Samsung Galaxy Tab Next:4 RJ45+2 SFP Slots Gigabit Ethernet Fiber Switch (NF-A2004F)