cFosSpeed - test of Automatic RWIN expansion
with WinSCP connnection via UMTS stick

Hint: Because the registry value for TCP RWIN is too low under XP, cFosSpeed can achieve very impressive results here:

Download speed without Automatic RWIN expansion: ~ 150 Kbyte/s

WinSCP download without Automatic RWIN expansion

Download speed with Automatic RWIN expansion: ~ 400 Kbyte/s

WinSCP download without Automatic RWIN expansion