downstream bandwidth: 450 x 53kbps = 23850 divided by 8 = 2981 RWIN. Add the 50%, and you get 4471. 3) To change the RWIN: Download DrTCP to your Desktop. Change the TCP Receive Window field to whatever value you got. Save, Exit, then reboot your PC. How do I reduce dial up time? Today's 56 and 33.6 kbps modems automatically fall back to a lower speed if the line noise
