View Full Version : How To Improve A GPRS/EDGE Dial-Up Connection

01-12-10, 08:21 PM
Hello, and thanks in advance to anyone willing to help. I'm using a Nokia 3110 Classic (GPRS/EDGE capable; maximum speed stated is 460.8 Kbps) as a dial-up modem with a laptop running Windows 7 Home Premium. Windows Auto-Tuning is disabled. After a couple hours reading various articles and threads here, I used TCP Optimizer to change the default Windows settings, resulting in a speed improvement of roughly 40 Kbps (from about 180 Kbps to about 220 kbps) :thumb: . My TCP Analyzer results after the tweaks are:

SpeedGuide.net TCP Analyzer Results
Tested on: 01.12.2010 20:52
IP address: 115.67.xxx.xxx(proxy:
Client OS: Windows 7
TCP options string: 020405b40402080a906154650000000001030307
MSS: 1460
MTU: 1500
TCP Window: 5888 (NOT multiple of MSS)
RWIN Scaling: 7 bits (2^7=128)
Unscaled RWIN : 46
Recommended RWINs: 64240, 128480, 256960, 513920, 1027840
BDP limit (200ms): 236kbps (29KBytes/s)
BDP limit (500ms): 94kbps (12KBytes/s)
MTU Discovery: ON
TTL: 49
Timestamps: ON
IP ToS: 00000000 (0)

Unfortunately it seems that my provider fixes the RWIN at 5888 and also doesn't allow for turning off of Timestamps :mad: . Please, does anyone know any tricks for getting around these facts or, at the least, know of better settings in TCP Optimizer given my situation? Thanks again for your time.

01-13-10, 07:19 AM
man, u r real tarzan :)

hope u could buy a 3G modem & create WWAN connection (not DUN/Dial Up)!

note: make sure u buy a modem that support WWAN profile.

01-13-10, 06:51 PM
akbarri: the reason I posted my original question is because that's the setup I possess, and I was hoping that someone kind would help me tweak it to it's best possible speed. Do you have any suggestions other than buy something better? Thanks for any help.

01-14-10, 06:16 AM
i know, what happen to u, happen to me also 3 years ago :)
the different is i use xp, so i could do some tweaking!
now u use Win7, nothing we can do! (limited tweaking)

01-14-10, 07:01 PM
That's a bummer. Even with Windows 7 Auto-Tuning disabled there's limited tweaking? Are there any Advanced Settings in TCP Optimizer that would suit my my GPRS/EDGE connection better? Any suggestions are welcome since I can always use the backup feature. Thanks again.