The Active Repeater Cable acts as a single port hub,which means that multiple
  cable can be cascaded(up to 5)to increase the distance between your computer
and USB devices.It can extend the distance of a usb Device up to 40/80 feet
    Although it is possible to use multiple USB Repeater Cables in a row (up to 5
since each cable replaces a series Hub ),users should verify that adding the
cables do not affect the operation of the USB device.
 
 
 
  Full compliance with USB spec Rev 1.1
    
   Supports"12Mbit/s Full Speed" and "1.5Mbit/s Low Speed"
    serial data transmission
   
   One upstream port and One downstream port
   
  Single 3.3V supply
 
  U1REPT-BG