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Aiming at the problems of connect complex、 short transmission distance and poor universality in conventional γ spectrometer. This paper designed and implemented a new wireless Portable γ spectrometer based on ARM embedded systems and wireless WIFI module. Support vector machine (SVM) classification method was used to optimize the nuclide identification method. The experiment which wireless detect a single nuclide and mixed nuclide in 50 meters proved that the equipment had the stable long-distance data transmission performance and nuclide identification effect is superior to traditional γ spectrometer.