Carbon Race Corp., a technology company, involves in the development and distribution of proprietary software defined radio (SDR) commercial and military mobile wireless network applications. Its core product, PC4 technology is specifically targeted to the Military and Homeland Defense agencies for large-scale defense grade reconfigurable wireless communications systems. PC4, which stands for Programmable, Command, Control, Compute, and Communicate, is a next-generation SDR framework and proprietary operating system designed for interoperable, lightweight, and mobile military communications systems. The PC4 framework is also suitable for radar and high-speed digital RF and GSM surveillance systems. The company is based in Broadview, Illinois.