4 RJ45+2 SFP Slots Gigabit Ethernet Fiber Switch (NF-A2004F) Shenzhen Nufiber Technology Co., Ltd. Base Info Model NO.:NF-A2004FTrademark:NufiberSpecification:SGSOrigin:China Description Pre:4 RJ45+1 Fiber Gigabit Ethernet Fiber Switch (NF-A1004S20) Next:Coaxial Cable RG11