There is a trick you can use with your Windows 7 operating system that give you the opportunity to move away from your ham shack.
As you can see in the picture below, you can connect the controller to the pc using the ethernet cable, then, sharing the pc wi-fi connection, it can connect the Flex 6300.
To do the trick you have to configure a bridge between the ethernet and the wi-fi cards. Don't worry it is very simple as you can see in the printscreen below.
Here you can see my controller away from my ham shack.