This is an unmanaged five port RJ-45 industrial grade Ethernet 10/100 Mbps switch, with an operating temperature of -40 to +85 Celsius, supports wide voltage dual power input, meets EMC industrial grade requirements, DIN rail installation, pass through dangerous environmental certification and comply with FCC and CE standards. Our media converters and switches are 100% compliant for all of our networking needs. Now you have a cost effective solution to your network upgrade needs. With our certification test program, we can guarantee your product will work right the first time.