Published: October 18, 2011 Updated: October 18, 2011 Written by: Raffy Pedrajita Coke in can: A Wi-Fi booster Your regular soda can according to TVKIM.com can help boost your wi-fi signal. Watch this DIY video and learn how to increase your Wi-Fi signal. Be careful though in the preparation, you can end up with a cut. Source Tags: Coke in can wi-fi booster