CMD-HHLR-433-MD is a Linux based hardware device produced by CMD Corporation. It is a multi-device hub that enables wired LAN access to multiple devices such as computers, printers and other networked peripherals. The device features four Ethernet ports for easy connectivity, as well as one USB port for plugging in a variety of USB devices. It supports wireless transmission of up to 433Mbps and also has an integrated firewall to protect your network from outside attacks.