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I have a CDMA USB dongle that I use for connecting to the internet. Now I plan to upgrade to a 3G dongle which has a USB 2.0 connection. Right now I have only USB 1.0 port on my computer.

Will the internet speed vary depending on whether I connect a 3G USB internet dongle to USB 1.0 port or a 2.0 port?

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The 3G adapter would be limited to the maximum rate of a USB 1.0 port (12 Mbits/s) when attached via one.

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Not practically. According to this link Wideband CDMA has a maximum speed of 384Kbps. USB1 is rated at up to 12 Megabits/second. You might get a fractionally higher speed because of lower latency, but it won't be noticeable.

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  • I wanted to get that information wrt a 3G dongle which supports upto 21 mbps speed which is more than 12 mbps limit of USB 1. Sorry if I have misunderstood your response.
    – Mandar
    Nov 21, 2013 at 7:44
  • HSPA+ runs at 168 MBit/s peak. The 384 kbps limit applies only to the oldest 3G networks.
    – MSalters
    Nov 21, 2013 at 8:32

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