4 -ports UB 2.0 high -speed HUB Dub-H4 is a 4-port hub that uses the new high-speed USB 2.0 technology for the connection and sharing of multiple peripheral to your computer. This hub that can be used both in the Windows and Mac environment, has been designed to be able to increase the number of USB ports available on your computer and connect mouse, keyboards, external CD-R/CDRW, external hard disk, webcams, and all those devices and peripherals with USB 2.0 high-speed interface. Connection The Dub-H4 HUB has been designed to easily and quickly connect up to 4 "A" type ports for the connection of USB peripherals and a "B" type port to be connected to your computer or to another USB hub for the cascade connection of all the other USB peripherals. Automatically configurable without any type of operation during installation, the Dub-H4 can operate both with Microsoft operating systems and with Apple Macintosh operating systems. Compatibility and scalability Dub-H4 is certified according to USB 2.0 standards and is fully compatible with the previous standard and products designed on USB 1.1. This compatibility guarantees maximum scalability in connecting new USB peripherals to your computer. The recognition of all peripherals connected to the gates of this card is completely automatic. The hub will therefore be able to support peripherals both at low speed (12Mbps) and at high speed (480Mbps) on each individual door. Installation Diagnostic LEDs on the apparatus will allow you to view the state of the peripherals connected to the hub. Inside the Dub-H4 package there is also a USB 2.0 type cable from "A" to "B" for the connection to the computer and the external power supply.