E-Net Components SFP Transceiver Module (J4858C-ENC) Form Factor: Plug-in module Cabling Type: 1000Base-SX Data Transfer Rate: 1 Gbps Our compatible line of transceivers includes GBIC, SFP, SFP+, XFP, X2 and XENPAK products. All of our compatible transceiver solutions are RoHS Compliant, MSA (Multi-Source Agreement) compliant for form, fit and function in all MSA compliant switching and routing platforms. All products meet IEEE Standards for optimum performance and reliability and are all uniquely programmed, serialized and tested in-house to ensure their 100% compatibility and functionality in their specific networking environment.