The Adtran NetVanta 3140 (1700341F1) Gigabit Ethernet Switch is a fully managed switch with Gigabit Ethernet technology, providing a maximum LAN data rate of 1 Gbps. It is designed for network connectivity through wired-Ethernet (RJ-45) interface, with a Layer 3 networking capability. With a compact rack-mountable form factor and SFP connector type, this switch offers network management features for enterprise networking setups. Made by ADTRAN, a trusted brand in network switches, the NetVanta 1531 model provides efficient data transfer with its 3 LAN ports and 1 Gbps maximum data transfer rate. Made in the United States, this switch is ideal for organizations looking for reliable networking solutions.