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Lassen Peak, Inc. has been awarded two U.S. patents for its AirFrisk handheld concealed weapon detection scanner, increasing its issued patents to six. Patent No. 12,332,342 protects the apparatus, while Patent No. 12,405,367 covers the method of use.

The AirFrisk operates at 304-311 GHz and features a Radar System on Chip with 24 receivers and 8 transmitters. The technology allows for non-invasive detection of concealed weapons without physical contact. Lassen Peak also received an FCC Spectrum Horizons experimental license for the 280-320 GHz range in early 2023, supporting the device's development and deployment.