Cracking Wi-Fi passwords, spoofing accounts, and testing networks for exploits is all fun enough, but if you want to take the show on the road, you’ll want an easily portable rig. Enter Kali Linux and the Raspberry Pi.
Chris Robinson over at Node has created an awesome Raspberry Pi powered handheld Linux terminal that is small enough to drop into your pocket and is also battery power providing the ultimate portable solution.
Raspberry Pi RTL-SDR Broadcastify - The RadioReference Wiki
PiUPS Raspberry Pi Uninterruptible Power Supply - The PiUPS Raspberry Pi power supply runs on 3 x AA rechargeable NiMH batteries and has been designed to provide uninterrupted power to your projects as well as mobility if required.
Learn about computer security by running Kali Linux on a Raspberry Pi and PiTFT display! Kali is a Linux distribution that’s tailored for security research like investigating wireless networks, performing penetration testing, and much more. With a Raspberry Pi and PiTFT you can build a little computer to experiment and learn about computer security from anywhere.