From uniden:
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The Uniden SDS100 and SDS150 share the same core True I/Q SDR engine, frequency coverage, and digital decoding (P25, DMR, NXDN), but the SDS150 is a significant upgrade with built-in GPS, USB-C, Bluetooth, a bigger/brighter screen, integrated waterfall display, faster charging cradle, and IPX4 water resistance, making it better for mobile/field use, while the SDS100 is a proven, lower-cost option for stationary home monitoring with external GPS needed.
This video provides a detailed overvi