hi ... im from indonesia ( just in case anyone came from as im) and i'm using Smart telecom ZTE AC2726 broadband USB Modem EVDO rev A... they ( Smart my provider) tell me that i'm capabel to max my speed Up to 3.1 Mb, but i m only receiveing only 500kbps , can anyone help me Please to tweak my MTU or any of u can help me to set it best performance

SpeedGuide.net TCP Analyzer Results
Tested on: 06.02.2011 17:44
IP address: 114.79.xx.xxx
Client OS: Windows XP

TCP options string: 020405500103030401010402
MSS: 1360
MTU: 1400
TCP Window: 1044480 (multiple of MSS)
RWIN Scaling: 4 bits (2^4=16)
Unscaled RWIN : 65280
Recommended RWINs: 65280, 130560, 261120, 522240, 1044480
BDP limit (200ms): 41779kbps (5222KBytes/s)
BDP limit (500ms): 16712kbps (2089KBytes/s)
MTU Discovery: OFF
TTL: 50
Timestamps: OFF
IP ToS: 00000000 (0)

Please Help me