The test equipment market for SDRs is a growing segment in the radio test equipment market. Customer needs for greater flexibility to address a myriad of technologies and keep pace with the evolution of these technologies cost-efficiently is increasing demand for SDRs, driving demand for test equipment. In this study, external challenges are identified and form the basis for the revenue forecast. The base year is 2014 and the forecast period runs through 2021. Trends from various perspectives including end-user industry, product lifecycle, and geography are also discussed. A detailed market share analysis is included, identifying leaders and challengers.