There are many Software Defined Radios (SDRs) available, with a great deal of time and effort having gone in to their design.  These are not those radios.  We present four radios that we have designed using crude, novel, and sometimes ridiculous methods for transmitting and receiving signals. The arrival of SDR allowed more hackers than ever to experiment with radio protocols, but we're still using hardware built by other people. In the time honored hacker tradition of rolling our own tools, we'll demonstrate four simple radios that can be home-built using commonly available parts for little to no cost.

DEF CON (also written as DEFCON, Defcon or DC) is a hacker convention held annually in Las Vegas, Nevada. The first DEF CON took place in June 1993 and today many attendees at DEF CON include computer security professionals, journalists, lawyers, federal government employees, security researchers, students, and hackers with a general interest in software, computer architecture, hardware modification, conference badges, and anything else that can be "hacked". The event consists of several tracks of speakers about computer- and hacking-related subjects, as well as cyber-security challenges and competitions (known as hacking wargames). Contests held during the event are extremely varied, and can range from creating the longest Wi-Fi connection to finding the most effective way to cool a beer in the Nevada heat.

Revolting Radios

Conference: Defcon 26

Abstract

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