New open box never used.The TRENDnet TFC-GSFP/A 1000BASE-T to SFP Fiber Media Converter is an electronic switch designed for network switches and hubs. With a maximum data transfer rate of 1000BASE-T, this converter allows for fast and efficient data transmission. Made by the brand TRENDnet, originating from Taiwan, this specific model is known for its reliability and performance in enterprise networking setups. Ideal for computers and networking devices, this converter provides a seamless integration of fiber optic and Ethernet networks for smooth communication and connectivity.