BTL SAR Test Report: Bluetooth Keyboard Radiation Analysis

Appendix B. SAR Plots of SAR Measurement

This document presents the Specific Absorption Rate (SAR) test results for a Bluetooth keyboard manufactured by BTL. The tests were conducted on January 15, 2025, to assess the keyboard's compliance with safety standards regarding radio frequency (RF) exposure. The report details the test setup, including the use of a DASY52 system with specific probes and phantoms to simulate human tissue.

Two test configurations were evaluated: 'B02_BLE_CH19_Rear Face_0mm' and 'B06_BLE_CH39_Left Side_0mm'. These configurations represent different orientations of the keyboard relative to the simulated user. The report includes detailed measurements of SAR values at various frequencies and locations on the keyboard. The maximum SAR values recorded are presented, along with information about the test environment, including ambient and liquid temperatures.

The results indicate the keyboard's compliance with SAR limits, ensuring user safety during normal operation. The report provides a comprehensive overview of the testing methodology and findings, supporting the keyboard's certification and market approval.


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BTL: EX3DV4 - SN7544, DAE4 Sn1717, QDOVA002AA, B02_BLE_CH19_Rear Face_0mm, B06_BLE_CH39_Left Side_0mm, SAR-1-2412C100