Introducing the FINISAR FCMJ-8521-3-BB 1000Base-T RJ45 Optical SFP Transceiver, a high-quality networking solution for your enterprise needs. This versatile unit features a single module with a RJ-45 connector and SFP port, providing seamless integration into your existing network setup. Designed to work with Finisar products, this transceiver offers reliable performance and connectivity without compromising speed or data transfer rates. Whether you're looking to upgrade your existing network or build a new one from scratch, the FINISAR FCMJ-8521-3-BB is the perfect choice for your networking needs.