Alfa Extension Cable vs. Other Extension Cable

The USB Active Extension Cable from Alfa Network ensures you get the best performance and maximum data integrity when you transfer information between your computer and devices. It uses active chipset to sustain your data signal, so you can connect a peripheral to your PC from an extra distance. Standard (passive) USB extension cable (showing on left hand side with light blue color) connections can cause significant data loss over distances.

Alfa AUSBC-10M  USB Extension Cable

Standard (passive) USB Extension Cable                               
Here is the difference.......