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The Universal Space Transponder (UST) product line developed at the Jet Propulsion Laboratory offers Software-Defined Radio (SDR) solutions for various spaceflight applications. The UST-Lite is the latest product offering that provides a more miniaturized radio package with cutting-edge processing capabilities and features by taking advantage of recent advancements in digital processing and sampling technology. Parts selection and design guidelines follow JPL flight practices suitable for missions with high reliability requirements (e.g., Discovery or New Frontiers class), but the radio could also be adapted for use on SmallSat missions given its reduced power consumption, volume, and mass compared to other JPL radios. The main digital processor is implemented with a Swift Processor Module (SPM) developed in collaboration with JPL's Common Instrument Electronics task. The SPM uses a Kintex …