You can connect a USB hub to the remote unit to increase the number of USB ports.
The USB1.1 extender USB Rover® 1850 from Icron Technologies operates simply by connecting a cable and AC adapter. No AC power is required; it operates solely on USB bus power. It is compatible with various USB1.1 devices (e.g., keyboards, mice, electronic whiteboards, touch panels, game controllers, USB1.1 cameras, USB hubs, etc.). It supports USB1.1 (Full-Speed 12Mbps, Low-Speed 1.5Mbps). It is compatible with major operating systems such as Windows®, MacOS X®, and Linux®. You can connect a USB hub to the remote unit to increase the number of USB ports. It supplies 400mA/port of USB bus power from the remote unit. For more details, please contact us.