Howtosignalprocessing
Can I make my own wifi antenna?
A tin can antenna (cantenna) is a great project for anyone who wants to improve their home Wi-Fi speed but doesn't have the cash to buy the factory-made product from a store. The hack will cost you less than $5. The only thing you'll need for this project is some waste metal cans and basic hand tools.
Do USB WiFi adapters need antenna?
All wifi devices have antennas. That is how they are able to transmit wifi signals. Without antenna there can be no wifi. In case there is no visible antenna in a Wifi device it is most probably using PIFA.
