This document presents an RF exposure evaluation for the Wireless Human Presence Sensor, model LWR01, in accordance with FCC guidelines. The evaluation assesses the environmental impact of human exposure to radio frequency radiation, ensuring compliance with FCC 1.1310 and related regulations. The report details the limits for Maximum Permissible Exposure (MPE) across various frequency ranges and outlines the Friis transmission formula used to calculate power density at a specified distance.
The technical description of the EUT includes details on its power supply, operating frequencies, antenna characteristics, and modulation types for BLE, Thread, and 24G Radar functionalities. Measurement results are presented, demonstrating that the device's power density remains below the MPE limits. A simultaneous transmission analysis confirms that the combined RF exposure from all modules is within acceptable levels, ensuring the device complies with FCC 1.1310 MPE limits.