18_S10 RFExp

FCC ID: 2ASTK-S10

RF Exposure Info

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FCCID_4235442

Shenzhen Toby Technology Co., Ltd. Report No.: TB-MPE164748 Page: 1 of 3 RF Exposure Evaluation FCC ID: 2ASTK-S10 1. Client Information Applicant : Shenzhen Kangmingrui Technology Co., Ltd. F5, Building 2, Shanghe Nanchang Industrial Park, Gushu, Xixiang, Address : Baoan District, Shenzhen, China Manufacturer : Shenzhen Kangmingrui Technology Co., Ltd. F5, Building 2, Shanghe Nanchang Industrial Park, Gushu, Xixiang, Address : Baoan District, Shenzhen, China 2. General Description of EUT EUT Name : Mini Speaker Models No. : S10, C6, Q50, 053040 Model All these models are the same PCB, layout and electrical circuit, the : Difference only difference is appearance. Operation Frequency: Bluetooth 5.0(BT): 2402MHz~2480MHz Product GFSK:4.670dBm : RF Output Power: Description π/4-DQPSK:5.392dBm Antenna Gain: -0.58dBi PCB Antenna DC Voltage Supply from Adapter Power Supply : DC Voltage supplied by Li-ion battery. Iutput: DC 5.0V 0.35A by adapter Power Rating : DC 3.7V by 350mAh Li-ion battery Software : V1 Version Hardware : V2 Version Connecting : Please refer to the User's Manual I/O Port(S) Note: More test information about the EUT please refer the RF Test Report. TB-RF-074-1.0 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-MPE164748 Page: 2 of 3 SAR Test Exclusion Calculations 1. FCC: According to KDB 447498 D01 Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies v06. (1) Clause 4.3: General SAR test reduction and exclusion guidance Sub clause 4.31: Standalone SAR test exclusion considerations 1) The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6GHz at test separation distance≤5 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[√f(GHz) ] ≤3.0 for 1-g SAR [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[√f(GHz) ] ≤7.5.0 for 10-g SAR TB-RF-074-1.0

Report No.: TB-MPE164748 Page: 3 of 3 2. Calculation: Test separation: 5mm Bluetooth Mode (GFSK) Conducted Turn-up Power Max power of tune Max power of tune Frequency Calculation Threshold Power Tolerance up tolerance up tolerance (GHz) Value Value (dBm) (dB) (dbm) (mw) 2.402 4.646 4±1 5 3.162 0.980 3.0 2.441 4.670 4±1 5 3.162 0.988 3.0 2.480 4.167 4±1 5 3.162 0.996 3.0 Bluetooth Mode (π/4-DQPSK) Conducted Turn-up Power Max power of tune Max power of tune Frequency Calculation Threshold Power Tolerance up tolerance up tolerance (GHz) Value Value (dBm) (dB) (dbm) (mw) 2.402 5.379 5±1 6 3.981 1.234 3.0 2.441 5.392 5±1 6 3.981 1.244 3.0 2.480 4.957 5±1 6 3.981 1.254 3.0 Test separation: 5mm The worst RF Exposure Evaluation Worst Calculation Value Total Calculation Threshold Value Bluetooth Mode Value 1.254 1.254 3.0 The worst RF Exposure Evaluation is calculated as 1.254 / cm2 < limit 3.0, So standalone SAR measurements are not required. -----END OF REPORT----- TB-RF-074-1.0


Document Created: 2019-04-11 10:27:33
Document Modified: 2019-04-11 10:27:33
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