This document presents an RF exposure evaluation conducted in accordance with the guidelines outlined in 447498 D04 Interim General RF Exposure Guidance v01. The evaluation focuses on determining whether the device's emissions comply with established safety limits, thereby negating the need for Specific Absorption Rate (SAR) testing.
The document includes formulas for calculating power thresholds based on frequency and distance, as well as a table of example power thresholds for various frequencies and distances. The calculations consider factors such as transmitter output power, antenna gain, and electric field strength. The document also provides a calculation of the ERP (Effective Radiated Power) and compares it to the established threshold. If the calculated ERP is below the threshold, it is determined that SAR evaluation is not required.
The evaluation uses a field strength of 91.99dBμV/m at 3m at 2403MHz. The antenna gain is 3.8dBi, which translates to a numeric gain of 2.40. The calculated Pt is less than 2.72mW, and the ERP is 0.2924mW, which is less than 2.72mW. Therefore, SAR evaluation is not required.
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This document presents an RF exposure evaluation conducted in accordance with the guidelines outlined in 447498 D04 Interim General RF Exposure Guidance v01. The evaluation focuses on determining whether the device's emissions comply with established safety limits, thereby negating the need for Specific Absorption Rate (SAR) testing.
The document includes formulas for calculating power thresholds based on frequency and distance, as well as a table of example power thresholds for various frequencies and distances. The calculations consider factors such as transmitter output power, antenna gain, and electric field strength. The document also provides a calculation of the ERP (Effective Radiated Power) and compares it to the established threshold. If the calculated ERP is below the threshold, it is determined that SAR evaluation is not required.
The evaluation uses a field strength of 91.99dBμV/m at 3m at 2403MHz. The antenna gain is 3.8dBi, which translates to a numeric gain of 2.40. The calculated Pt is less than 2.72mW, and the ERP is 0.2924mW, which is less than 2.72mW. Therefore, SAR evaluation is not required.
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