This listing features a Black Box Gigabit LPS535A-SFP unit, complete with a Genuine Cisco GLC-SX-MMD Transceiver Module. This high-quality networking equipment is perfect for businesses looking to upgrade their enterprise networking capabilities. The unit is manufactured in Taiwan and comes with a variety of aspects, including a unit type, brand, and custom bundle. Additionally, this item does NOT contain any chemicals or materials specified in the California Prop 65 list, making it a safe and reliable choice for your networking needs.