Raspberry pi is a cellphone sized wafer board with circuits running a basic Linux Operating system (Raspberry Pi).
Has a good article explaining how to use USB GPS, and battery to connect to a wifi antenna and a 8GB – 16GB SD Card.
But interesting to note this is the kind of article a “unethical” hacker will use to find vulnerable wifi routers and access points to attack networks.
Protect yourself scan your network using Omega(Ω) scan. We will find out if you have a vulnerable wifi system.