Lime Microsystems Ltd is a UK-based company that specializes in the development of software-defined radio (SDR) technology. The company was founded in 2005 by Ebrahim Bushehri, who is currently the CEO of the company. Lime Microsystems has its headquarters in Guildford, Surrey, UK, and has offices in San Francisco, California, and Beijing, China. The company's flagship product is the LimeSDR, which is a low-cost, open-source, and customizable SDR platform. The LimeSDR is designed to be used by developers, researchers, and hobbyists who want to experiment with SDR technology. The LimeSDR is compatible with a wide range of software, including GNU Radio, Pothos, and SDRangel, which makes it a versatile platform for a variety of applications. Lime Microsystems has also developed a range of other products, including the LimeNET SDR platform, which is designed for use in cellular networks, and the LimeSDR Mini, which is a smaller and more affordable version of the LimeSDR. The company has also developed a range of software tools and libraries to support the development of SDR applications. Lime Microsystems has a strong focus on open-source software and hardware, and the company has contributed to a number of open-source projects, including GNU Radio and MyriadRF. The company has also worked with a number of academic institutions and research organizations, including the University of Surrey, the University of California, Berkeley, and the European Space Agency. In addition to its work in the SDR space, Lime Microsystems has also developed technology for the Internet of Things (IoT) and 5G networks. The company's IoT technology includes a range of sensors and gateways, while its 5G technology includes a range of radio access network (RAN) solutions. Overall, Lime Microsystems is a leading player in the SDR space, with a strong focus on open-source software and hardware. The company's products and technology are used by developers, researchers, and hobbyists around the world, and the company is well-positioned to continue to innovate in the SDR and IoT spaces in the years to come.