TBR-C-202503-0130-4 RF Exposure(FCC)
SHENZHEN CACGO INTELLIGENT CO.,LTD K68 2BGT5-K68 2BGT5K68 k68
SHENZHEN CACGO INTELLIGENT CO.,LTD K68 smart watch 2BGT5-K68 2BGT5K68 k68
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Document DEVICE REPORTGetApplicationAttachment.html?id=8198980Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202503-0130-4 Page: 1 of 8 Maximum Permissible Exposure Evaluation FCC ID: 2BGT5-K68 Report No. : TBR-C-202503-0130-4 Applicant : SHENZHEN CACGO INTELLIGENT CO.,LTD Equipment Under Test (EUT) EUT Name : smart watch Model No. : K68 Series Model No. : K66A,K66B,EF6,EF7,EF13 Brand Name : N/A Sample ID : HC-C-202503-0130-01-01 Receipt Date : 2025-03-27 Test Date : 2025-03-27 to 2025-04-08 Issue Date : 2025-04-08 Standards : FCC Part 2.1093 Test Method : KDB 447498 D01 General RF Exposure Guidance v06 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Test By : Lily zhang Reviewed By : Henry huang Approved By : Ivan Su This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 Report No.: TBR-C-202503-0130-4 Page: 2 of 8 CONTENTS CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT..............................................................................4 1.1 Client Information.................................................................................................................4 1.2 General Description of EUT (Equipment Under Test) ...................................................4 2. MEASUREMENT UNCERTAINTY..........................................................................................5 3. TEST FACILITY..........................................................................................................................6 4. SAR TEST EXCLUSION CALCULATIONS ..........................................................................7 TB-RF-074-1.0 Report No. TBR-C-202503-0130-4 Report No.: TBR-C-202503-0130-4 Page: 3 of 8 Revision History Version Rev.01 Description Initial issue of report Issued Date 2025-04-08 TB-RF-074-1.0 Report No.: TBR-C-202503-0130-4 Page: 4 of 8 1. General Information about EUT 1.1 Client Information Applicant Address Manufacturer Address : SHENZHEN CACGO INTELLIGENT CO.,LTD : 1105 Yifenghua Bld, 28 Yifenghua Innovation Industrial Park, Dalang street, Longhua district, ShenZhen, China : SHENZHEN CACGO INTELLIGENT CO.,LTD : 1105 Yifenghua Bld, 28 Yifenghua Innovation Industrial Park, Dalang street, Longhua district, ShenZhen, China 1.2 General Description of EUT (Equipment Under Test) EUT Name Models No. Model Different Product Description Power Rating Software Version : smart watch : K68, K66A,K66B,EF6,EF7,EF13 All of these models are identical on the same PCB, layout and : circuit, the difference is that the model name and appearance are not the same. Operation Frequency: Bluetooth&BLE: 2402MHz~2480MHz : Modulation Type: Bluetooth&BLE: GFSK, Pi/4-DQPSK, 8DPSK Antenna Gain: -1dBi Conducting Wire Antenna : USB Input: DC 5V DC 3.8V 730mAh Rechargeable Li-ion battery : V1.00(Updatable Hardware Version : T5170 2.1(Updatable Remark: The above antenna information is declared by manufacturer and for more detailed features description, please refer to the manufacturer's specifications, the laboratory shall not be held responsible. TB-RF-074-1.0 Report No.: TBR-C-202503-0130-4 Page: 5 of 8 2. Measurement Uncertainty The reported uncertainty of measurement y±Uwhere expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2 providing a level of confidence of approximately 95 %. Test Item Parameters Conducted Emission Radiated Emission Radiated Emission Radiated Emission RF Power-Conducted Power Spectral DensityConducted Occupied Bandwidth Unwanted Conducted Emission- Level Accuracy: 9kHz~150kHz 150kHz to 30MHz Level Accuracy: 9kHz to 30 MHz Level Accuracy: 30MHz to 1000 MHz Level Accuracy: Above 1000MHz Level Accuracy: Above 1000MHz Level Accuracy: Above 1000MHz Level Accuracy: 30MHz to 1000 MHz Above 1000MHz Level Accuracy: 30MHz to 1000 MHz Above 1000MHz Temperature / Humidity / Supply voltages / Time / Expanded Uncertainty (ULab) ±3.50 dB ±3.10 dB ±4.60 dB ±4.50 dB ±4.20 dB ±0.95 dB ±3dB ±3.8% ±2.72 dB ±0.6 ±4% ±2% ±4% TB-RF-074-1.0 Report No.: TBR-C-202503-0130-4 Page: 6 of 8 3. Test Facility The testing report were performed by the Shenzhen Toby Technology Co., Ltd., in their facilities located at 1/F., Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. At the time of testing, the following bodies accredited the Laboratory: CNAS (L5813) The Laboratory has been accredited by CNAS to ISO/IEC 17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories for the competence in the field of testing. And the Registration No.: CNAS L5813. A2LA Certificate No.: 4750.01 The laboratory has been accredited by American Association for Laboratory Accreditation(A2LA) to ISO/IEC 170252017 General Requirements for the Competence of Testing and Calibration Laboratories for the technical competence in the field of Electrical Testing. And the A2LA Certificate No.: 4750.01.FCC Accredited Test Site Number: 854351. Designation Number: CN1223. IC Registration No.: (11950A) The Laboratory has been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing. The site registration: Site# 11950A. CAB identifier: CN0056. TB-RF-074-1.0 Report No.: TBR-C-202503-0130-4 Page: 7 of 8 4. SAR Test Exclusion Calculations 4.1 FCC: According to KDB 447498 D01 v06 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 distance5 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 4.2 Summary simultaneous transmission for SAR Exclusion The SAR exemption limits outlined in clause 4.3.2(b) of KDB 447498 have been derived based on an approximate SAR value of 0.4 W/kg using half-wave dipole antennas Footnote 1. As such, when simultaneous transmitter SAR evaluations include transmitters that have been exempt from routine SAR evaluation, the SAR must be estimating based on the ratio between the maximum tune-up tolerance limit of the transmitter that has been exempt and the exemption limit at the specific distance and frequency for that transmitter. This ratio must be multiplied by 0.4 W/kg (2.0 W/kg for controlled use and 1.0 W/kg for limb worn devices) in order to calculate the estimated SAR level. The estimate SAR value is calculated based the following equation: (maximum power level including tune-up tolerance for transmitter A / maximum power level of exemption at the same frequency and distance) * 0.4W/kg The [ of (the highest measured or estimated SAR for each standalone antenna configuration, adjusted for maximum tune-up tolerance) / 1.6 W/kg] + [ of MPE ratios] is 1.0. The SAR to peak location separation ratios of all simultaneously transmitting antenna pairs operating in portable device exposure conditions are all 0.04, and the [ of MPE ratios] is 1.0. TB-RF-074-1.0 Report No.: TBR-C-202503-0130-4 Page: 8 of 8 4.3 Calculation: Test separation: 5mm Frequency (GHz) 2.402 2.441 2.480 Frequency (GHz) 2.402 2.441 2.480 Frequency (GHz) 2.402 2.441 2.480 Conducted Power (dBm) 4.578 4.418 4.312 Conducted Power (dBm) 4.862 4.761 4.626 Conducted Power (dBm) 5.502 5.335 5.154 Bluetooth Mode (GFSK) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dBm) Max power of tune up tolerance (mw) 5±1 6 3.981 5±1 6 3.981 5±1 6 3.981 Bluetooth Mode (Pi/4-DQPSK) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dBm) Max power of tune up tolerance (mw) 5±1 6 3.981 5±1 6 3.981 5±1 6 3.981 Bluetooth Mode (8-DPSK) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dBm) Max power of tune up tolerance (mw) 5±1 6 3.981 5±1 6 3.981 5±1 6 3.981 Calculation Value 1.234 1.244 1.254 Calculation Value 1.234 1.244 1.254 Calculation Value 1.234 1.244 1.254 Threshold Value 3.0 3.0 3.0 Threshold Value 3.0 3.0 3.0 Threshold Value 3.0 3.0 3.0 Test separation: 5mm Frequency (GHz) 2.402 2.440 2.480 Conducted Power (dBm) 4.543 4.272 4.125 Turn-up Power Tolerance (dB) 4±1 4±1 4±1 Bluetooth LE 1M Max power of tune up tolerance (dBm) 5 5 5 Max power of tune up tolerance (mw) 3.162 3.162 3.162 Calculation Value 0.980 0.988 0.996 Threshold Value 3.0 3.0 3.0 Test separation: 5mm Frequency (GHz) 2.402 2.440 2.480 Conducted Power (dBm) 4.642 4.431 4.344 Turn-up Power Tolerance (dB) 4±1 4±1 4±1 Bluetooth LE 2M Max power of tune up tolerance (dBm) 5 5 5 Max power of tune up tolerance (mw) 3.162 3.162 3.162 Calculation Value 0.980 0.988 0.996 Threshold Value 3.0 3.0 3.0 The measurement results comply with the FCC Limit per 47 CFR 2.1093 for the uncontrolled RF Exposure and SAR Exclusion Threshold per KDB 447498 D01 v06. -----END OF THE REPORT----- TB-RF-074-1.0
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