Digi PortServer TS H MEI. Input voltage: 9 - 30 V. Management protocols: HTTP/HTTPS, CLI, SNMP, DPAR. Supported network protocols: UDP/TCP, DHCP/RARP/ARP-Ping, Telnet, Modbus. Security algorithms supported: SSH, SSL/TLS. Dimensions (WxDxH): 84.6 x 133.4 x 24.2 mm, Weight: 0.64 kg