The Medusa Radiometrics MS-350 sits between the compact MS-100 and the heavier MS-700, offering a larger 350 ml CsI detector in a platform that remains light enough for handheld use and most commercial drones. It delivers sharper spatial resolution and better signal sensitivity than the MS-100, without the weight penalty of larger sensors. A solid all-rounder for soil-texture mapping, mineral prospecting, agricultural mapping, and contamination surveys.