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    Intel Dual Band AC 7260 does not support fast ISP speeds Dell

    Bob5

      I purchased a new Del Latitude E5540 Windows 7 Pro 64 bit with a Intel Dual Band AC 7260 wireless card.

       

      The machine is loaded.

       

      Surprise,  when I measured wireless connection my Comcast 50 Mbps ISP download speeds I am only getting about half the bandwidth, 20 Mbps or so.  Connected LAN Ethernet to the machine I get full bandwidth,no issue.  I have been on the phone with Dell for hours installing new drivers, etc, no fix, no change in performance.

       

      All my Macs, iMac, etc.,  measure wireless through the same networks a full bandwidth.  I am really surprised that I can not full wireless through Dell's newest Laptop.

       

      Dell is sending someone out to replace the wireless card, but I am not convinced that is going to do any good.  The wireless card specs show there should be plenty of headroom in the card to support high internet speeds.

       

      Anyone have any ideas or suggestions or is this something t

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