Features: This 100Mbps fiber optically media converter switcher deliver data transmission at 100Mbps speeds, ideal for bandwidth intensive applications in small networks. Featuring fiber optically ports and 4 RJ45 Ethernet ports, this networking switcher provides flexible connectivity for seamless integration of fiber and copper devices. Designed for IT professional and networking administrators in small to businesses, it offer efficient and scalable networking solution. Perfect for networking, campus environments, and data centers, this fiber device enables high speed connection across different buildings or zones. With plug and play installation and ABS construction, this converter ensures easy maintenance under heavy networking loads. Specifications: Component:ABS Size:Approx.110x86mm/4.33x3.38inch Emission: 1310/1550nm Transmit power: -9-3dbm Input: 5V Transmission distance: 100M, 4 optically, 4 electrical, 20KM. Package Includes: 1Pc Fiber Media Converter Board note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.