Hello,
I bought Fujitsu Siemens Lifebook S904vPro with Intel Dual Band Wireless 7260 card few days ago. From the begining I have similar problems with that card like others. I checked two different routers, 2.4 and 5 bands. My router is placed on the second floor in my home, my laptops on the first-floor. On my old laptop I have 8 Mbit speed, on my new laptop with 7260 card I have about 1-2 Mbit (laptops are placed in the same location). Better speed connection is on the 5Ghz band, 2.4 GHz is terrible (less than 1 MBit). This card must have issues with range or something because if i go with my S904 to the router closer then my speed up to 8 Mbit. I use Windows 8.1 x64, I checked different drivers. On the Windows 7 x64 is the same situtation. Can you give me any advice? Is it the chance that Intel fix this issue?