Brainboxes ES-320. Connectivity technology: Wired, Host interface: RS-485, Interface: Ethernet. Data transfer rate (max): 100 Mbit/s, Supported data transfer rates: 10/100 Mbps. Cabling technology: 10BaseT / 100BaseTX. Input voltage: 5 - 30 V, Power consumption (typical): 1.8 W. Width: 102 mm, Depth: 102 mm, Height: 26 mm