Sell Nummular usb hub

Nummular usb hub
Nummular usb hub
NO. :HB304
*4 USB port A type up to 400mA and auto matic current sharing by devices request.
*1USB B Female connector.
*Over current protection.
*Support both full-speed 12Mb/sec and low-speed 1.5Mb/sec transfer rates chains up to 127 USB devices.
*Truly plug & play automatic system confiquration.
*Windows 98, 2000, devices drivers automatic installation.
*USB and ACPI compliant.
* NET: 40g.
*Dimensions: 90 x 90 x 25mm.