April 4, 2009 I have intended to purchase a wireless device can use internet on the laptop. After try out the device and found the result very poor for my use, so I have returned the device to the store where i have purchased within 30 days. The store is at 11520- E Rockville Pike, Rockville, MD 20852. The sales associate is call "OSAHON". He was very courtesy, that was on the April 14, 2009. Beginning this month I have a bill from AT & T charge me for the usage of this device (202-344-5170 device assigned wireless #), in the... read full review »