This document presents the Radio Frequency (RF) exposure evaluation for the HTC Wireless Earphones 23, model number HTC NE23, with FCC ID: 2BHJR-NE23. The evaluation ensures that the device operates within the safety guidelines established by the Commission, as per § 15.247(i) and § 1.1307b(1). The device operates in the 2402-2480MHz frequency band using BT 5.4 BDR+EDR specification, employing GFSK, Π/4-DQPSK, and 8DPSK modulation types across 79 channels.
The evaluation considers the antenna gain of 3.35 dBi and the rated power supply of DC 5V 400mA, utilizing a Li-ion battery with a rated voltage of 3.7V and a capacity of 50mAh. The document details the maximum output power and tune-up tolerance, calculating the distance and results to ensure compliance with SAR limits. The analysis concludes that no stand-alone SAR measurement is required for the BT antenna, and no simultaneous SAR measurement is necessary, according to KDB 447498.
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This document presents the Radio Frequency (RF) exposure evaluation for the HTC Wireless Earphones 23, model number HTC NE23, with FCC ID: 2BHJR-NE23. The evaluation ensures that the device operates within the safety guidelines established by the Commission, as per § 15.247(i) and § 1.1307b(1). The device operates in the 2402-2480MHz frequency band using BT 5.4 BDR+EDR specification, employing GFSK, Π/4-DQPSK, and 8DPSK modulation types across 79 channels.
The evaluation considers the antenna gain of 3.35 dBi and the rated power supply of DC 5V 400mA, utilizing a Li-ion battery with a rated voltage of 3.7V and a capacity of 50mAh. The document details the maximum output power and tune-up tolerance, calculating the distance and results to ensure compliance with SAR limits. The analysis concludes that no stand-alone SAR measurement is required for the BT antenna, and no simultaneous SAR measurement is necessary, according to KDB 447498.
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