Techroutes Unmanaged switch is a Gigabit POE switch. It has 4 working modes, VLAN mode, CCTV video monitoring mode, power mode, QOS mode. All ports are free to communicate by default; In VLAN mode, ports are isolated from each other, which can effectively restrain network storms and improve network performance. In Extend mode, the effective transmission distance of ports can reach 250 meters, which is suitable for remote monitoring and power supply