Now you just take coaxial cable as long as you want . Now just put the other end of the cable into the broadBand USB port.
For BroadBand Booster we need 3 things. 1. Coaxial cable 2. External antena(You can make your own at home with no cost) 3. Connector cable which can connct USB through the port of the BroadBand USB and the coaxial cable.