EC25 AT command over USB speed too low

Hi All,
I’m trying a microcontroller to control EC25-E mini PCI-E over the USB port. I success sent and received AT command but when I tried to connect the HTTP server and get the file the speed was very low. I tried using my laptop (use putty software) but the speed was slow too(<500Kb/s). when I use dial-up to connect to the internet then the speed is higher( >5MB/s). whether the speed is limited when using AT-command over USB ??
thanks all

First of all glad to answer your question. When you use the module’s USB AT port for HTTP, the rate is indeed slower. If you need it, you can always use PPP dial-up to access the Internet, thank you.

thank for your answer.