2AV7N-SAVVYGSmart Guitar

FCC Warning This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -Reorient or relocate the receiving antenna. -Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. IC Warning This device complies with Industry Canada’s licence-exempt RSSs. Operation is subject to the following two conditions: (1) This device may not cause interference; and (2) This device must accept any interference, including interference that may cause undesired operation of the device. Cet appareil est conforme aux CNR exemptes de licence d'Industrie Canada . Son fonctionnement est soumis aux deux conditions suivantes : ( 1 ) Ce dispositif ne peut causer d'interférences ; et ( 2 ) Ce dispositif doit accepter toute interférence , y compris les interférences qui peuvent causer un mauvais fonctionnement de l'appareil. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. - 5V 2A (above 2A )

Code:AB-RF-05-b ExternalPhotograph Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b Savvy-G,Savvy-GPRO,Savvy-Gs,Savvy-GsPRO

LabelLocationOnEUT Label ProductName:SmartGuitar ModelNo.:Savvy-G FCCID:2AV7N-SAVVYG ThisdevicecomplieswithPart15oftheFCCRules.Operationis subjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)Thisdevicemustacceptanyinterferencereceived,including interferencethatmaycauseundesiredoperation.

Code:AB-RF-05-b InternalPhotograph Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b ANT Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b

version01 GUANGZHOURANTIONTECHNOLOGYCO.,LTD. DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:Savvy-G,Savvy-GPRO,Savvy-Gs,Savvy-GsPRO FCCID:2AV7N-SAVVYG fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsforinternalantennatype(s) describedbelow: ModelNo.ofantenna:ESP-ANTD-H Typeofantenna:PCBantenna Gainoftheantenna:3.96dBi Frequencyrange:2402-2480MHz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname:GUANGZHOURANTIONTECHNOLOGYCO.,LTD. Address:Room7002and7003,7thFloor,DigitalEntertainmentIndustrialPark, GreaterBayArea,No.28HuangpuParkWestRoad,HuangpuDistrict, Guangzhou,China. City:Guangzhou ZIP/Postalcode:/ Country:China Place:GuangzhouDate:8/30/2022 Signature:

OTA TEST REPORT TA Technology (Shanghai) Co., Ltd. tested the above equipment in accordance with the requirements in ANSI/IEEE Std 149-2008. The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. Prepared by: Peng Tao Approved by: Kai Xu TA Technology (Shanghai) Co., Ltd. No.145, Jintang Rd, Tangzhen Industry Park, Pudong Shanghai, China TEL: +86‐021‐50791141/2/3 FAX: +86‐021‐50791141/2/3‐8000 Applicant Espressif System (Shanghai) Co.,Ltd Product ESP32-C3-MINI-1 Model ESP-ANT D-H Report No. Y2102A0260-T2 Issue Date March 9, 2021 OTA Test Report Report No: Y2102A0260-T2 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 2 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. TABLE OF CONTENTS 1. Test Laboratory .............................................................................................................................. 3 1.1. Notes of the Test Report ................................................................................................... 3 1.2. Test facility ........................................................................................................................ 3 1.3. Testing Location ................................................................................................................ 3 1.4. Laboratory Environment .................................................................................................... 4 2. General Description of Equipment under Test ............................................................................... 5 2.1. Applicant and Manufacturer Information ............................................................................ 5 2.2. General information ........................................................................................................... 5 2.3. Test Date ........................................................................................................................... 5 2.4. Receiving Date .................................................................................................................. 5 2.5. Applied Standards ............................................................................................................. 6 3. Test Conditions .............................................................................................................................. 7 3.1. Test Configuration ............................................................................................................. 7 3.2. Test Measurement ............................................................................................................. 7 4. Test Results ................................................................................................................................... 8 4.1. Gain and Efficiency ............................................................................................................ 8 5. Equipment List ............................................................................................................................... 9 ANNEX A 3-D Pattern Plots ................................................................................................................... 10 ANNEX B：The EUT Appearance and Test Configuration ...................................................................... 12 B.1 EUT Appearance ................................................................................................................... 12 B.2 Test Configuration ................................................................................................................. 13 OTA Test Report Report No: Y2102A0260-T2 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 3 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 1. Test Laboratory 1.1. Notes of the Test Report This report shall not be reproduced in full or partial, without the written approval of TA technology (shanghai) co., Ltd. The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein .Measurement Uncertainties were not taken into account and are published for informational purposes only. This report is written to support regulatory compliance of the applicable standards stated above. 1.2. Test facility A2LA (Certificate Number: 3857.01) TA Technology (Shanghai) Co., Ltd. has been listed by American Association for Laboratory Accreditation to perform measurement. 1.3. Testing Location Company: TA Technology (Shanghai) Co., Ltd. Address: No.145, Jintang Rd, Tangzhen Industry Park, Pudong Shanghai, China City: Shanghai Post code: 201201 Country: P. R. China Contact: Xu Kai Telephone: +86-021-50791141/2/3 Fax: +86-021-50791141/2/3-8000 Website: http://www.ta-shanghai.com E-mail: [email protected] OTA Test Report Report No: Y2102A0260-T2 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 4 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 1.4. Laboratory Environment Temperature Min. =19°C，Max. = 25°C Relative humidity Min. =40%，Max. =72% Shield effect 0.7-6GHz > 100dB Ground resistance <0.5 OTA Test Report Report No: Y2102A0260-T2 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 5 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 2. General Description of Equipment under Test 2.1. Applicant and Manufacturer Information Applicant Name Espressif System (Shanghai) Co.,Ltd Applicant address Suite 204 Block 2, 690 Bibo Road, Zhang Jiang Hi-Tech Park, Shanghai, China Manufacturer Name Espressif System (Shanghai) Co.,Ltd Manufacturer address Suite 204 Block 2, 690 Bibo Road, Zhang Jiang Hi-Tech Park, Shanghai, China 2.2. …

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RFEXPOSUREEVALUATION FCCID:2AV7N-SAVVYG AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) Radiationasspecifiedin§1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTuneUp Power(dBm) Distance (mm) Calculation results Limit Operating Mode 24023.13.1 ±1 4.150.7973 BLE1M 24404.364.36 ±1 5.3651.0743 24802.382.38±13.3850.6863 24023.453.45 ±1 4.4550.8643 BLE2M 24404.834.83 ±1 5.8351.1963 24802.542.54±13.5450.7123 Result:NoStandaloneSARtestisrequired.

Page 1 of 32 Appendix Test Data Report No.:18220WC20148901 Test Sample No.:1-2-2 Start Test Date:2022.7.7Finish Test Date:2022.7.15 Test Engineer:Auditor: Temperature:24.3 °C Relative Humidity: 57.2 % Pressure:1012 hPa Appendix A: DTS Bandwidth Test Result TestModeAntennaChannel DTSBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt1 24020.6562401.6722402.328≥0.5PASS 24400.6522439.6762440.328≥0.5PASS 24800.6322479.6802480.312≥0.5PASS BLE_2MAnt1 24021.0682401.4682402.536≥0.5PASS 24401.0842439.4482440.532≥0.5PASS 24801.0962479.4322480.528≥0.5PASS Page 2 of 32 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page 3 of 32 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page 4 of 32 BLE_2M_Ant1_2480 Page 5 of 32 Appendix B: Occupied Channel Bandwidth Test Result TestModeAntennaChannel OCB[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt1 24021.02602401.4892402.515---PASS 24401.02212439.4882440.510---PASS 24801.02112479.4902480.511---PASS BLE_2MAnt1 24022.05422400.9872403.041---PASS 24402.05342438.9832441.036---PASS 24802.03772479.0002481.038---PASS Page 6 of 32 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page 7 of 32 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page 8 of 32 BLE_2M_Ant1_2480 Page 9 of 32 Appendix C: Maximum conducted output power Test Result TestModeAntennaChannelResult[dBm]Limit[dBm]Verdict BLE_1MAnt1 24023.1≤30PASS 24404.36≤30PASS 24802.38≤30PASS BLE_2MAnt1 24023.45≤30PASS 24404.83≤30PASS 24802.54≤30PASS Page 10 of 32 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page 11 of 32 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page 12 of 32 BLE_2M_Ant1_2480 Page 13 of 32 Appendix D: Maximum power spectral density Test Result TestModeAntennaChannelResult[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt1 2402-12.27≤8PASS 2440-10.96≤8PASS 2480-12.99≤8PASS BLE_2MAnt1 2402-13.77≤8PASS 2440-12.49≤8PASS 2480-14.87≤8PASS Page 14 of 32 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page 15 of 32 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page 16 of 32 BLE_2M_Ant1_2480 Page 17 of 32 Appendix E: Band edge measurements Test Result TestModeAntennaChNameChannelRefLevel[dBm]Result[dBm]Limit[dBm]Verdict BLE_1MAnt1 Low24021.78-51.92≤-18.22 PASS High24801.81-56.02≤-18.19 PASS BLE_2MAnt1 Low24023.39-45.83≤-16.61 PASS High24802.50-56.01≤-17.5PASS Page 18 of 32 Test Graphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 BLE_2M_Ant1_Low_2402 Page 19 of 32 BLE_2M_Ant1_High_2480 Page 20 of 32 Appendix F: Conducted Spurious Emission Test Result TestModeAntennaChannel FreqRange [MHz] RefLevel [dBm] Result[dBm]Limit[dBm]Verdict BLE_1MAnt1 2402 Reference1.461.46---PASS 30~10001.46-64.69≤-18.54 PASS 1000~265 00 1.46-53.91≤-18.54 PASS 2440 Reference2.952.95---PASS 30~10002.95-64.39≤-17.05 PASS 1000~265 00 2.95-53.86≤-17.05 PASS 2480 Reference1.981.98---PASS 30~10001.98-62.31≤-18.02 PASS 1000~265 00 1.98-54.08≤-18.02 PASS BLE_2MAnt1 2402 Reference3.333.33---PASS 30~10003.33-64.99≤-16.67 PASS 1000~265 00 3.33-54.36≤-16.67 PASS 2440 Reference3.483.48---PASS 30~10003.48-65.19≤-16.52 PASS 1000~265 00 3.48-53.98≤-16.52 PASS 2480 Reference1.541.54---PASS 30~10001.54-65.26≤-18.46 PASS 1000~265 00 1.54-53.61≤-18.46 PASS Page 21 of 32 Test Graphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 Page 22 of 32 BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 Page 23 of 32 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference BLE_1M_Ant1_2480_30~1000 Page 24 of 32 BLE_1M_Ant1_2480_1000~26500 BLE_2M_Ant1_2402_0~Reference Page 25 of 32 BLE_2M_Ant1_2402_30~1000 BLE_2M_Ant1_2402_1000~26500 BLE_2M_Ant1_2440_0~Reference Page 26 of 32 BLE_2M_Ant1_2440_30~1000 BLE_2M_Ant1_2440_1000~26500 Page 27 of 32 BLE_2M_Ant1_2480_0~Reference BLE_2M_Ant1_2480_30~1000 BLE_2M_Ant1_2480_1000~26500 Page 28 of 32 Page 29 of 32 Appendix G: Duty Cycle Test Result TestModeAntennaChannel ON Time [ms] Period [ms] XDC [%] xFactor LimitVerdict BLE_1MAnt1 24022.102.50 0.840 0 84.00 0.76--- PASS 24402.102.50 0.840 0 84.00 0.76--- PASS 24802.102.50 0.840 0 84.00 0.76--- PASS BLE_2MAnt1 24021.061.87 0.566 8 56.68 2.47--- PASS 24401.061.87 0.566 8 56.68 2.47--- PASS 24801.061.88 0.563 8 56.38 2.49--- PASS Page 30 of 32 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page 31 of 32 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page 32 of 32 BLE_2M_Ant1_2480 ‐‐‐End‐‐‐

ReportNo.:18220WC20148901FCCID:2AV7N-SAVVYGPage1of30 Code:AB-RF-05-b FCCTestReport ClientName: GUANGZHOURANTIONTECHNOLOGYCO., LTD. ClientAddress: Room7002and7003,7thFloor,Digital EntertainmentIndustrialPark,GreaterBay Area,No.28HuangpuParkWestRoad, HuangpuDistrict,Guangzhou,China. ProductName:SmartGuitar ReportDate:Aug.23,2022 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC20148901FCCID:2AV7N-SAVVYGPage2of30 Code:AB-RF-05-b Contents 1.GeneralInformation ............................................................................................................................................6 1.1.ClientInformation ....................................................................................................................................6 1.2.DescriptionofDevice(EUT) ..................................................................................................................6 1.3.AuxiliaryEquipmentUsedDuringTest .................................................................................................7 1.4.DescriptionofTestConfiguration ..........................................................................................................7 1.5.DescriptionOfTestSetup ......................................................................................................................8 1.6.TestEquipmentList .................................................................................................................................9 1.7.MeasurementUncertainty ....................................................................................................................10 1.8.DescriptionofTestFacility ...................................................................................................................10 2.SummaryofTestResults .................................................................................................................................11 3.ConductedEmissionTest ................................................................................................................................12 3.1.TestStandardandLimit ........................................................................................................................12 3.2.TestSetup ...............................................................................................................................................12 3.3.TestProcedure .......................................................................................................................................12 3.4.TestData .................................................................................................................................................12 4.RadiationSpuriousEmissionandBandEdge .............................................................................................15 4.1.TestStandardandLimit ........................................................................................................................15 4.2.TestSetup ...............................................................................................................................................15 4.3.TestProcedure .......................................................................................................................................16 4.4.TestData .................................................................................................................................................17 5.MaximumPeakOutputPowerTest ...............................................................................................................25 5.1.TestStandardandLimit ........................................................................................................................25 5.2.TestSetup ...............................................................................................................................................25 5.3.TestProcedure .......................................................................................................................................25 5.4.TestData .................................................................................................................................................25 6.6DBOccupyBandwidthTest ..........................................................................................................................26 6.1.TestStandardandLimit ........................................................................................................................26 6.2.TestSetup ...............................................................................................................................................26 6.3.TestProcedure .......................................................................................................................................26 6.4.TestData .................................................................................................................................................26 7.PowerSpectralDensityTest ...........................................................................................................................27 7.1.TestStandardandLimit ........................................................................................................................27 7.2.TestSetup ...............................................................................................................................................27 7.3.TestProcedure .......................................................................................................................................27 7.4.TestData .................................................................................................................................................27 ReportNo.:18220WC20148901FCCID:2AV7N-SAVVYGPage3of30 Code:AB-RF-05-b 8.100kHzBandwidthofFrequencyBandEdgeRequirement ......................................................................28 8.1.Tes…

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Code:AB-RF-05-b TestSetupPhotograph PhotoofConductedEmissionMeasurement PhotoofRadiationEmissionTest Code:AB-RF-05-b