2BS62-TNXM001Tenniix Smart Tennis Ball Machine

Product：Tenniix Smart Tennis Ball Machine Model：TNX-01 Powered by battery： Battery input: DC25.2V, 3A Battery capacity: 21.9V, 6700mAh, 146.73Wh Max Load of Tennis Ball：100pcs Max Serve Speed： ≤70mph，120km/h Weight：10kg （With Battery） Display：6 inch,16*13 RGB-LED Array Manufacturer：Shenzhen Enhanced Power Technology Co., Ltd. Manufacturer's Address：No.301,Plant 11,Industrial zone 228,Silian community,Henggang street, Longgang District,Shenzhen,China SN：TNX01AAAA08250001 XX/XX Made in China FCC ID: 2BS62-TNXM001 XX/XX SN Tenniix Smart Tennis Ball Machine 52mm 124mm

Report No. : EED32R81736203 Page 1 of 7 RF Exposure Evaluation Report Product : Tenniix Smart Tennis Ball Machine Trade mark : TENNIIX Model/Type reference : TNX-01 Serial Number : N/A Report Number : EED32R81736203 FCC ID : 2BS62-TNXM001 Date of Issue : Jan. 07, 2026 Test Standards : 47 CFR Part 1.1307 47 CFR Part 1.1310 47 CFR Part 2.1091 KDB 447498 D04 Interim General RF Exposure Guidance v01 Test result : PASS Prepared for: Shenzhen Enhanced Power Technology Co., Ltd. No. 301, Plant 11, Industrial zone 228, Silian community, Henggang street, Longgang District, Shenzhen Prepared by: Centre Testing International Group Co., Ltd. Hongwei Industrial Park, Zone 70, Bao’an District, Shenzhen, Guangdong, China TEL: +86-755-3368 3668 FAX: +86-755-3368 3385 Compiled by: Reviewed by: Lucas Lu Keven Tan Approved by: Date: Jan. 07, 2026 Aaron Ma Check No.: 9547170925 Report No. : EED32R81736203 Page 2 of 7 1 Contents Page 1 CONTENTS ................................................................................................................................................................ 2 2 GENERAL INFORMATION ...................................................................................................................................... 3 2.1 CLIENT INFORMATION ............................................................................................................................................ 3 2.2 GENERAL DESCRIPTION OF EUT ............................................................................................................................. 3 2.3 PRODUCT SPECIFICATION SUBJECTIVE TO THIS STANDARD ....................................................................................... 3 2.4 TEST LOCATION ..................................................................................................................................................... 4 2.5 DEVIATION FROM STANDARDS ................................................................................................................................ 4 2.6 ABNORMALITIES FROM STANDARD CONDITIONS ...................................................................................................... 4 2.7 OTHER INFORMATION REQUESTED BY THE CUSTOMER............................................................................................. 4 3 SAR EVALUATION ................................................................................................................................................... 5 3.1 RF EXPOSURE COMPLIANCE REQUIREMENT ............................................................................................................ 5 3.1.1 Limits ........................................................................................................................................................... 5 3.1.2 Test Procedure ............................................................................................................................................ 5 3.1.3 EUT RF Exposure Evaluation .................................................................................................................... 6 Report No. : EED32R81736203 Page 3 of 7 2 General Information 2.1 Client Information Applicant: Shenzhen Enhanced Power Technology Co., Ltd. Address of Applicant: No. 301, Plant 11, Industrial zone 228, Silian community, Henggang street, Longgang District, Shenzhen Manufacturer: Shenzhen Enhanced Power Technology Co., Ltd. Address of Manufacturer: No. 301, Plant 11, Industrial zone 228, Silian community, Henggang street, Longgang District, Shenzhen Factory: Guangdong Enok Communication Co.,Ltd. Address of Factory: No.62,Lxiang Road,Dalang Town,Dongguan City,Guangdong 2.2 General Description of EUT Product Name: Tenniix Smart Tennis Ball Machine Model No.(EUT): TNX-01 Trade Mark: TENNIIX 2.3 Product Specification subjective to this standard Frequency Range: BLE: 2402MHz~2480MHz Modulation Type: BLE: GFSK Test Power Grade: Default Test Software of EUT: bgtool.exe Antenna Type: BLE: PCB Antenna Antenna Gain: BLE: 4.79dBi Power Supply: Battery: DC 21.9V Sample Received Date: Oct. 25, 2025 Sample tested Date: Oct. 25, 2025 to Nov. 18, 2025 Report No. : EED32R81736203 Page 4 of 7 2.4 Test Location All tests were performed at: Centre Testing International Group Co., Ltd Hongwei Industrial Park, Zone 70, Bao'an District, Shenzhen, Guangdong, China Telephone: +86 (0) 755 33683668 Fax:+86 (0) 755 33683385 No tests were sub-contracted. FCC Designation No.: CN1164, Test Firm Registration No.: 260439 2.5 Deviation from Standards None. 2.6 Abnormalities from Standard Conditions None. 2.7 Other Information Requested by the Customer None. Report No. : EED32R81736203 Page 5 of 7 3 SAR Evaluation 3.1 RF Exposure Compliance Requirement 3.1.1 Limits The SAR-based exemption formula of § 1.1307(b)(3)(i)(B), repeated here as Formula (B.2), applies for single fixed, mobile, and portable RF sources with available maximum time-averaged power or effective radiated power (ERP), whichever is greater, of less than or equal to the threshold Pth (mW). This method shall only be used at separation distances from 0.5 cm to 40 cm and at frequencies from 0.3 GHz to 6 GHz (inclusive). Pth is given by Formula and f is in GHz, d is the separation distance (cm), and ERP20cm is per Formula (B.1). The 1 mW Blanket Exemption of § 1.1307(b)(3)(i)(A) applies for single fixed, mobile, and portable RF sources with available maximum time-averaged power of no more than 1 mW, regardless of separation distance. 3.1.2 Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. Report No. : EED32R81736203 Page 6 of 7 3.1.3 EUT RF Exposure Evaluation For Stand alone: Freq. (MHz) Estimation distance (cm) Max. Conducted Output power (dBm) Antenna Gain (dBi) ERP (dBm) ERP (mW) Limit (mW) Result @BLE 20 0.13 4.79 2.77 1.89 3060 Pass Note： ①EIRP=conducted power+antenna gain； …

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Product Number: 04.A1.天线带 PCB Product Name: 2.4/5Gwifi/蓝牙双频天线 manufacturer：Shenzhen Xinchida Technology Co., Ltd. Page 1 Version:1.0IssueDate:2024-03-22 Index: 1. Specification 2. Characteristics and Reliability Test 3. Antenna - S Parameter Test Data 4. Material Description and RoHS Test Report Product Number: 04.A1.天线带PCB Product Name:2.4/5Gwifi/蓝牙双频天线 Page 2 Version:1.0IssueDate:2024-03-22 1. Specification A. Electrical Characteristics Frequency 天线频率 2400-2500MHZ / 5150~5850MHZ S.W.R. 驻波比 ＜ 2.0 Antenna Gain 天线增益 4 dBi ± 0.7 @ E-Plane // Peak Gain Polarization 极化方式 Linear 线性极化 FPCB SIZE 天线尺寸 50.8*9*0.6mm Impedance 阻抗 50 Ohm B. Material & Mechanical Characteristics Material of Radiator 材质 FR-4 Cable Type 线材类型 RG-1.13 Connector Type 天线接口 50 ohm / I-PEX MHF20278-111R-13 Cable length 天线长度 从焊点算起 13CM AntennaNOTIC 天线注意事项 天线面板尽量避开贴在金属物上 C. Environmental Operation Temperature- 40 ̊C ~ + 80 ̊C Storage Temperature- 40 ̊C ~ + 80 ̊C Product Number: 04.A1.天线带PCB Product Name:2.4/5Gwifi/蓝牙双频天线 Page 3 Version:1.0IssueDate:2024-03-22 Antenna Color Storage life < 2 year 2. Characteristics and Reliability Test Test ItemsTest Condition and ProcedureRequirements C1 S.W.R.Set DUT on Network Analyzer; make individual calibration to test Directive DUT specification C2 Antenna Gain Set DUT on Antenna Chamber; make individual calibration to test Directive DUT specification M1 VibrationGB / T2423 . 48-1997 Amplitude: 0.03 inch (1.5mm); Freq: 20 to 80 to 20 Hz 3 directions; 2 hours for each direction 1. No Visual Damage 2. Frequency Tol.<= 5% M2 Random Drop GB / T2423.8-1995 Height: 1.0 Meter; 3 directions; 1 time for each direction 1. No parts separated 2. Frequency Tol.<= 5% M3 Solderability GB 2423 . 28- 82 Solder iron: 260±5°C; Duration: 5 seconds 1. Mounted on PCB 2. No Visual Damage M4 Terminal- Pull Test Holding with individual specification; force applied to axis of terminal 1. Directive DUT specification 2. Frequency Tol.<= 5% M5 Terminal- Torque Test Holding with individual specification; applied clockwise and counterclockwise to the axis of terminal 1. Directive DUT specification 2. Frequency Tol.<= 5% M6 Dimension Inspection of dimension, color, material, package, surface process Directive DUT specification E1 Salt Spray GB / T 2423 . 17- 93 Temp: 35°C; RH: >= 95%; NaCl solution: >= 5%; Time: 24 hours After 2 Hours Recovery 1. No Visual Damage 2. Frequency Tol.<= 5% E2 HumidityGB / T 2423 . 4 - 93 Temp: 80°C / 12 H; -40°C / 12H RH: >= 90%; Time: 24 hours After 2 Hours Recovery 1. No Visual Damage 2. Frequency Tol.<= 5% Product Number: 04.A1.天线带PCB Product Name:2.4/5Gwifi/蓝牙双频天线 Page 4 Version:1.0IssueDate:2024-03-22 E3 Thermal Shock GB / T 2423 . 22 - 87 1 Cycle: - 40°C (30 minutes) to + 80°C (30 minutes) Cycles: 24 After 2 Hours Recovery 1. No Visual Damage 2. Frequency Tol.<= 5% E4 Life (High Temp.) GB /T 2423 . 2 - 89 Temp: 80°C; Time: 24 hours After 2 Hours Recovery 1. No Visual Damage 2. Frequency Tol.<= 5% R3 PFOAWith Reference to USA EPA 3540C:1996 by LC/MSDirective RoHS 2006/122/EC 3. Antenna - S Parameter Test Data odel: 2.4GHr Antenna '.em ark : H - P l ane II Vertie己I Pola1i飞lion ested by如lenna3D Chamber /I Zhao Yao Rong Locaiion: Chamb盯 T emperaiuer （ 'c ) 22.00 Time上 午 10:33:40 Ap p rored by: freo.(1111Z) 竺咎＿， 2d迎 24 1 0 2丑9 妇斗 24如2d幻 罗2470 卫 3 !l...l 龙90 25 0 � 氏k <;a;n(d6; ) 人 4.::6 ～ 生 笠 ；一 4． 笠 464 l 4.70 1!53 4 59 4.53 4了04.56 ， 458 － $4 妇k压gree 27 27 27 27 ! 21 1 5 9 � `3 4S 2£8 263 262 24S AV Gai n ( dBi ) I 4.1 I 4 1 4.33 431 ! t43 “七 | 4 34 14.34 | 4 41 1 4. 18 | 4 24 14.19 10 。 - l O - 2 0 180 - 4 0 0000 Ol 234 IO 令 ．．． 2390 2430 180 10000 02 Jd 10 .... 0000 01 2J4 IO .... 24CO 24如 0000 01 234 lO ... 0000 01 234 lO ... 210 2450 贡 oooo loo J234 2420 180 0000 0 1234 10- f •• 2460 细劝硕硕 9 10 2470 90 10 2堑0 90 10 2心，D 文l 10 I 2500 。。 。。 -l O . J O · 1 0 -1 0 -20 .10 -20 -20 -30 .Jo .30 -30 -J O 180 .AO -40 180 .d 0

Report No. : EED32R81736201Page 1 of 45 TEST REPORT Product:Tenniix Smart Tennis Ball Machine Trade mark:TENNIIX Model/Type reference:TNX-01 Serial Number:N/A Report Number:EED32R81736201 FCC ID:2BS62-TNXM001 Date of Issue:Jan. 07, 2026 Test Standards:47 CFR Part 15 Subpart C Test result:PASS Prepared for: Shenzhen Enhanced Power Technology Co., Ltd. No. 301, Plant 11, Industrial zone 228, Silian community, Henggang street, Longgang District, Shenzhen Prepared by: Centre Testing International Group Co., Ltd. Hongwei Industrial Park, Zone 70, Bao’an District, Shenzhen, Guangdong, China TEL: +86-755-3368 3668 FAX: +86-755-3368 3385 Compiled by:Reviewed by: Lucas LuKeven Tan Approved by:Date:Jan. 07, 2026 Aaron Ma Check No.: 9547170925 Report No. : EED32R81736201Page 2 of 45 1 Content 1 CONTENT............................................................................................................................................................................2 2 TEST SUMMARY............................................................................................................................................................... 3 3 GENERAL INFORMATION...............................................................................................................................................4 3.1 CLIENTINFORMATION....................................................................................................................................................4 3.2 GENERALDESCRIPTION OFEUT ................................................................................................................................. 4 3.3 T EST CONFIGURATION.................................................................................................................................................. 5 3.4 T EST ENVIRONMENT..................................................................................................................................................... 6 3.5 DESCRIPTION OFSUPPORTUNITS............................................................................................................................... 6 3.6 T EST LOCATION.............................................................................................................................................................6 3.7 MEASUREMENTUNCERTAINTY(95%CONFIDENCE LEVELS, K=2) ............................................................................. 7 4 EQUIPMENT LIST..............................................................................................................................................................8 5 TEST RESULTS AND MEASUREMENT DATA.........................................................................................................11 5.1 ANTENNAREQUIREMENT............................................................................................................................................ 11 5.2 MAXIMUMCONDUCTEDOUTPUTPOWER.................................................................................................................. 12 5.3 DTS BANDWIDTH........................................................................................................................................................ 13 5.4 MAXIMUMPOWERSPECTRALDENSITY..................................................................................................................... 14 5.5 BANDEDGE MEASUREMENTS ANDCONDUCTEDSPURIOUSEMISSION................................................................... 15 5.6 RADIATEDSPURIOUSEMISSION& R ESTRICTED BANDS...........................................................................................16 6 APPENDIX A.....................................................................................................................................................................27 7 PHOTOGRAPHS OF TEST SETUP..............................................................................................................................28 8 PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS..................................................................................... 30 Report No. : EED32R81736201Page 3 of 45 2 Test Summary Test ItemTest RequirementResult Antenna Requirement 47 CFR Part 15 Subpart C Section 15.203/15.247 (c) PASS AC Power Line Conducted Emission 47 CFR Part 15 Subpart C Section 15.207 N/A DTS Bandwidth 47 CFR Part 15 Subpart C Section 15.247 (a)(2) PASS Maximum Conducted Output Power 47 CFR Part 15 Subpart C Section 15.247 (b)(3) PASS Maximum Power Spectral Density 47 CFR Part 15 Subpart C Section 15.247 (e)PASS Band Edge Measurements 47 CFR Part 15 Subpart C Section 15.247(d) PASS Conducted Spurious Emissions 47 CFR Part 15 Subpart C Section 15.247(d) PASS Radiated Spurious Emission & Restricted bands 47 CFR Part 15 Subpart C Section 15.205/15.209 PASS Report No. : EED32R81736201Page 4 of 45 3 General Information 3.1 Client Information Applicant:Shenzhen Enhanced Power Technology Co., Ltd. Address of Applicant:No. 301, Plant 11, Industrial zone 228, Silian community, Henggang street, Longgang District, Shenzhen Manufacturer:Shenzhen Enhanced Power Technology Co., Ltd. Address of Manufacturer:No. 301, Plant 11, Industrial zone 228, Silian community, Henggang street, Longgang District, Shenzhen Factory:Guangdong Enok Communication Co.,Ltd. Address of Factory:No.62,Lxiang Road,Dalang Town,Dongguan City,Guangdong 3.2 General Description of EUT Product Name: Tenniix Smart Tennis Ball Machine Model No.: TNX-01 Test Model No.: TNX-01 Trade mark: TENNIIX Product Type: MobilePortableFix Location Operation Frequency: 2402MHz~2480MHz Modulation Type: GFSK Transfer Rate:1Mbps Number of Channel: 40 Antenna Type:PCB Antenna Antenna Gain: 4.79dBi Power Supply: Battery:DC 21.9V Test Voltage:DC 21.9V Sample Received Date: Oct. 25, 2025 Sample tested Date: Oct. 25, 2025 to Nov. 18, 2025 Report No. : EED32R81736201Page 5 of 45 Operation Frequency each of channel Channel Freque…

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ReportNo.:EED32R81736201Page 1 of 24 Appendix:BluetoothLE ReportNo.:EED32R81736201Page 2 of 24 Contents Contents.....................................................................................................................................................................................................2 DutyCycle..................................................................................................................................................................................................3 MaximumPeakConductedOutputPower..................................................................................................................................................6 -6dBBandwidth..........................................................................................................................................................................................9 OccupiedChannelBandwidth..................................................................................................................................................................12 MaximumPowerSpectralDensityLevel..................................................................................................................................................15 BandEdge................................................................................................................................................................................................18 ConductedRFSpuriousEmission............................................................................................................................................................21 ReportNo.:EED32R81736201Page 3 of 24 DutyCycle ConditionModeFrequency(MHz)AntennaDutyCycle(%)CorrectionFactor(dB)1/T(kHz) NVNTBLE1M2402Ant163.0422.54 NVNTBLE1M2440Ant163.0422.54 NVNTBLE1M2480Ant163.0422.54 ReportNo.:EED32R81736201Page 4 of 24 TestGraphs DutyCycleNVNTBLE1M2402MHzAnt1 DutyCycleNVNTBLE1M2440MHzAnt1 ReportNo.:EED32R81736201Page 5 of 24 DutyCycleNVNTBLE1M2480MHzAnt1 ReportNo.:EED32R81736201Page 6 of 24 MaximumPeakConductedOutputPower ConditionModeFrequency (MHz) AntennaConductedPower (dBm) Limit (dBm) Verdict NVNTBLE1M2402Ant10.1330Pass NVNTBLE1M2440Ant1-0.1530Pass NVNTBLE1M2480Ant1-0.1330Pass ReportNo.:EED32R81736201Page 7 of 24 TestGraphs PeakPowerNVNTBLE1M2402MHzAnt1 PeakPowerNVNTBLE1M2440MHzAnt1 ReportNo.:EED32R81736201Page 8 of 24 PeakPowerNVNTBLE1M2480MHzAnt1 ReportNo.:EED32R81736201Page 9 of 24 -6dBBandwidth ConditionModeFrequency(MHz)Antenna-6dBBandwidth(MHz)Limit-6dBBandwidth(MHz)Verdict NVNTBLE1M2402Ant10.6460.5Pass NVNTBLE1M2440Ant10.6460.5Pass NVNTBLE1M2480Ant10.6470.5Pass ReportNo.:EED32R81736201Page 10 of 24 TestGraphs -6dBBandwidthNVNTBLE1M2402MHzAnt1 -6dBBandwidthNVNTBLE1M2440MHzAnt1 ReportNo.:EED32R81736201Page 11 of 24 -6dBBandwidthNVNTBLE1M2480MHzAnt1 ReportNo.:EED32R81736201Page 12 of 24 OccupiedChannelBandwidth ConditionModeFrequency(MHz)Antenna99%OBW(MHz) NVNTBLE1M2402Ant11.019 NVNTBLE1M2440Ant11.014 NVNTBLE1M2480Ant11.02 ReportNo.:EED32R81736201Page 13 of 24 TestGraphs OBWNVNTBLE1M2402MHzAnt1 OBWNVNTBLE1M2440MHzAnt1 ReportNo.:EED32R81736201Page 14 of 24 OBWNVNTBLE1M2480MHzAnt1 ReportNo.:EED32R81736201Page 15 of 24 MaximumPowerSpectralDensityLevel ConditionModeFrequency (MHz) AntennaConductedPSD (dBm/3kHz) Limit (dBm/3kHz) Verdict NVNTBLE1M2402Ant1-14.558Pass NVNTBLE1M2440Ant1-14.88Pass NVNTBLE1M2480Ant1-14.818Pass ReportNo.:EED32R81736201Page 16 of 24 TestGraphs PSDNVNTBLE1M2402MHzAnt1 PSDNVNTBLE1M2440MHzAnt1 ReportNo.:EED32R81736201Page 17 of 24 PSDNVNTBLE1M2480MHzAnt1 ReportNo.:EED32R81736201Page 18 of 24 BandEdge ConditionModeFrequency(MHz)AntennaMaxValue(dBc)Limit(dBc)Verdict NVNTBLE1M2402Ant1-49.36-20Pass NVNTBLE1M2480Ant1-51.92-20Pass ReportNo.:EED32R81736201Page 19 of 24 TestGraphs BandEdgeNVNTBLE1M2402MHzAnt1Ref BandEdgeNVNTBLE1M2402MHzAnt1Emission ReportNo.:EED32R81736201Page 20 of 24 BandEdgeNVNTBLE1M2480MHzAnt1Ref BandEdgeNVNTBLE1M2480MHzAnt1Emission ReportNo.:EED32R81736201Page 21 of 24 ConductedRFSpuriousEmission ConditionModeFrequency(MHz)AntennaMaxValue(dBc)Limit(dBc)Verdict NVNTBLE1M2402Ant1-48.77-20Pass NVNTBLE1M2440Ant1-48.21-20Pass NVNTBLE1M2480Ant1-48.69-20Pass ReportNo.:EED32R81736201Page 22 of 24 TestGraphs Tx.SpuriousNVNTBLE1M2402MHzAnt1Ref Tx.SpuriousNVNTBLE1M2402MHzAnt1Emission ReportNo.:EED32R81736201Page 23 of 24 Tx.SpuriousNVNTBLE1M2440MHzAnt1Ref Tx.SpuriousNVNTBLE1M2440MHzAnt1Emission ReportNo.:EED32R81736201Page 24 of 24 Tx.SpuriousNVNTBLE1M2480MHzAnt1Ref Tx.SpuriousNVNTBLE1M2480MHzAnt1Emission ***EndofReport***