Do not dispose empty Beer / soda Can they contribute WiFi signals.

A piece of Aluminum foil (Foil, a quite thin sheet of metal, usually manufactured with a rolling mill machine) is probably the easiest and cheapest way to boost your home Wi-Fi signal.

A device enabled with Wi-Fi, such as a personal computer, video game console, smartphone, or digital audio player, can connect to the Internet via a wireless network access point. An access point (or hotspot) has a range of about 20 meters (65 ft) indoors and a greater range outdoors.

Here the tricks, just position the foil behind the antenna of your wireless router and the curved foil will then direct the Wi-Fi signals in your preferred direction thus boosting the overall signal strength.

Increase Wi-Fi network with a Beer /Soda Can