SMAKN&reg; USR Serial RS485 to Ethernet TCP IP Converter, TCP Server, TCP Power: 9-30V UART1 Baud Rate: 300bps - 1.8432Mbps Storage environment: -55 - 125 Silver Aluminum case has four rail hanging hole for easy installation into the rack: Long 6.2CM * high 8.0CM * thick 2.5CM, the bottom length of each 1CM for both sides to widen hanging holes. Converter Weight: 0.154KG