I am having tha same problem of Allan. I know that every country have its own regulatory for wireless frequencies for IEEE 802.11a. But as in the manual of intel 4965agn says that this card is capable of use in law U-NII-1 the channels 34 to 48 ( 5.150 to 5250 ), law U-NII-2 channels 52 to 64 ( 5.250 to 5.350 ) , law U-NII-2 EXT channels 100 to 140 ( 5.470 to 5725 ) and law U-NII-3 channels 149 to 165 ( 5.725 to 5.825 ). In Brasil i can use channels 149 to 165, but my laptop refuses to see any network different from channels 34 to 48. What i need to know is how to change the country selection or law codes and my laptop become to see channels 149 to 165.