18_GTCOM-WM-01 RFExp r3

FCC ID: 2AT7G-GTCOM-WM-01

RF Exposure Info

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FCCID_4466630

Shenzhen Toby Technology Co., Ltd. Report No.: TB-MPE168807 Page: 1 of 3 Maximum Permissible Exposure Evaluation FCC ID: 2AT7G-GTCOM-WM-01 1. Client Information Applicant : Global Tone Communication Technology Co., Ltd. 1601, 16th Floor, No. 20 Shijingshan Road, Shijingshan District, Addres : Beijing,China Manufacturer : Global Tone Communication Technology Co., Ltd. 1601, 16th Floor, No. 20 Shijingshan Road, Shijingshan District, Address : Beijing,China TB-RF-075-1.0 1A/F., Bldg.6, Yusheng Industrial Zone, The National Road No.107 Xixiang Section 467, Xixiang, Bao’an, Shenzhen, China Tel: +86 75526509301 Fax: +86 75526509195

Shenzhen Toby Technology Co., Ltd. Report No.: TB-MPE168807 Page: 2 of 3 2. General Description of EUT EUT Name : wireless microphone Models No. : GTCOM-WM-01 Model : N/A Difference Product Operation Frequency: 657.215MHz~662.615MHz Descriptio : n Antenna Gain: 0 dBi Spiral Antenna Power : DC 3.0V by AA Battery*2. Rating Software : UD-104R 201908 REV1.1 Version Hardware : 201902 REV1.7 Version Connecting : Please refer to the User's Manual I/O Port(S) TB-RF-075-1.0 1A/F., Bldg.6, Yusheng Industrial Zone, The National Road No.107 Xixiang Section 467, Xixiang, Bao’an, Shenzhen, China Tel: +86 75526509301 Fax: +86 75526509195

Report No.: TB-MPE168807 Page: 3 of 3 MPE Calculations for Microphone 1. Antenna Gain: 0dBi Spiral Antenna 2. EUT Operation Condition: Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. 3. Exposure Evaluation: According to the KDB 447498 D01 v06 section 4.3.1, for 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are Determined by the following: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where - f(GHz) is the RF channel transmit frequency in GHz - Power and distance are rounded to the nearest mW and mm before calculation - The result is rounded to one decimal place for comparison 4. Calculation Result: DQPSK Conducted Turn-up Power Max power of tune Max power of tune Frequency Calculation Threshol Power Tolerance up tolerance up tolerance (MHz) Value d Value (dBm) (dB) (dbm) (mw) 657.215 3.20 3±1 4 2.51189 0.40727 3.0 660.215 3.14 3±1 4 2.51189 0.40820 3.0 662.615 3.27 3±1 4 2.51189 0.40894 3.0 Test separation: 5mm The worst RF Exposure Evaluation Worst Calculation Value Threshold Value 0.40894 3.0 The worst RF Exposure Evaluation is 0.40894 / cm2 < limit 3.0, So standalone SAR measurements are not required. -----END OF REPORT----- TB-RF-075-1.0


Document Created: 2019-09-28 10:33:05
Document Modified: 2019-09-28 10:33:05
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