They are fairly cheap (less than $40 at Walmart), and install easily by plugging into a USB port. Here are Ten things you can do right now to cut down on your own heating and energy expenses. Wer mithilfe eines weiteren Geräts den Wi - Fi Empfang bessern möchte, der kann unter verschiedenen Elementen - WLAN Verstärker , Wi - Fi-Antenne und WLAN Repeater - auswählen. 2) Check out whether it is wi-fi b, g or n which does makes a difference though it isn't really a decisive issue meant for finding the foundation cause.