This document presents the Radio Frequency (RF) exposure evaluation for the LY-019 device, conducted by Shenzhen Tongzhou Testing Co., Ltd. The evaluation adheres to section B.4 of 447498 D04 Interim General RF Exposure Guidance v01, ensuring compliance with established safety standards. The report outlines the limits for SAR-based thresholds, derived from frequency, power, and separation distance of the RF source.
The document details the formulas used to determine the thresholds for maximum time-averaged power or ERP. It also addresses scenarios where ERP is not easily determined, such as in portable devices with small form factors. The report further considers devices with antennas exceeding a certain length and provides guidance on using maximum time-averaged power in place of ERP when the latter is unknown.
The report includes the SAR-based exemption formula and specifies its applicability to single fixed, mobile, and portable RF sources. It also provides a table of example values for different frequencies and distances, illustrating the application of the formula. The conducted power results and manufacturing tolerances are presented, along with the maximum ERP and conducted power, ensuring the device meets the exemption limits. The report concludes that SAR evaluation is not required based on the findings.
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This document presents the Radio Frequency (RF) exposure evaluation for the LY-019 device, conducted by Shenzhen Tongzhou Testing Co., Ltd. The evaluation adheres to section B.4 of 447498 D04 Interim General RF Exposure Guidance v01, ensuring compliance with established safety standards. The report outlines the limits for SAR-based thresholds, derived from frequency, power, and separation distance of the RF source.
The document details the formulas used to determine the thresholds for maximum time-averaged power or ERP. It also addresses scenarios where ERP is not easily determined, such as in portable devices with small form factors. The report further considers devices with antennas exceeding a certain length and provides guidance on using maximum time-averaged power in place of ERP when the latter is unknown.
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