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Temperature Test
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a) After exposure at 85℃ for 72 hours, sensitivity to be within ±3dB from initial sensitivity. (The measurement to be done after 2 hours of conditioning at 20℃) b) After exposure at -40℃ for 72 hours, sensitivity to be within ±3dB from initial sensitivity. (The measurement to be done after 2 hours of conditioning at 20℃)
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