The Adtran NetVanta 3120 is a fully managed Ethernet switch that offers a maximum LAN data rate of 100 Mbps. With four Ethernet (RJ-45) LAN ports and one WAN port, this standalone switch is ideal for small to medium-sized businesses. The switch supports fast Ethernet (100-Mbit/s) technology and ATA over Ethernet network type.

This used switch from ADTRAN is in excellent condition and offers reliable network connectivity. Its interface is user-friendly and it has a maximum data transfer rate of 100 Mbps. If you're looking for a cost-effective solution to manage your network, the NetVanta 3120 is a great option.