cellXica have been developing radio equipment since 2010. Much of this exploits the Software Defined Radio (SDR) approach to target specialist applications. We have developed a number of platforms that make extensive reuse of hardware, firmware and software. These can be customised to meet a range of requirements, allowing bespoke solutions to be efficiently developed. Our team, based in Cambridge, UK have decades of experience in developing radio equipment, embedded systems, cellular base stations and handsets.