Hello First of all sorry for my bad english, cause it aint my main language, but i try to describe. My wifi router doesnt seems to be the problem cause i get similar problem in 2.4ghz also.. Same...

Model : Hardware Version : Firmware Version : ISP : Hello Model name: AC1300 Wireless Dual Band USB Adapter T4U [SIZE=3]Hardware Version : Version 2 Firmware: dont know how to find[/SIZE] I bought...