2BDFH-WI2023CETgolf cart battery charger

BATTERY CHARGER Please read this manual carefully before use! A. Features: 1) Advanced high frequency switching mode power supply technology. 2) DC output isolated from AC input. 3) Charging parameters are insensitive to the AC input line voltage variations. 4) 2 LEDs: LED1 Red (power on), LED2 Red/green (charging/full). 5) Short circuit, over voltage, over-temperature, reverse polarity protections. 6) Efficiency >91%. 7) Forced ventilation with fans. 8) 100% full loading aging test. 9) Bluetooth version (BLE). WIFI band (2.4G). After the wifi link, app remote view. B. Operations: 1) Check if your local mains supply conforms to charger’s input voltage 110V. Then connect the charger system to a wall socket. If charger has switch with OFF position, it MUST be set to ON. LED1 RED confirms AC power on, and the LED2 GREEN confirms charger connects well. 2) Please attention to DC terminal: Brown (Red)—>Positive + terminal, Blue (Black)—>Negative - terminal. Then Connect the plug or the DC Output cord to battery terminals. LED2 RED confirms charger is charging, LED2 GREEN confirms battery fully charged. C. Attentions: 1) The phenomenon of Sparking is normal when it connects to battery because of high current. 2) Make sure that the charger type matches the battery type before charging. Avoid charging the wrong type of battery. 3) Always place the charger in well-ventilated and dry environments. Do not cover it to avoid the case from being over heated while charging. 4) Dust-proof should also be taken into consideration to avoid influencing heat dissipation effect because of surface dust accumulation. 5) In view of safety and electromagnetic compatibility, the charger equipped with grounding wire by default. 6) Do not attempt to repair or service the charger yourself, open the cover of charger casually may result in electric shock hazard or other damages. Take it to a qualified service person when service or repair is required. 7) Batteries produce hydrogen gas, which can explode if ignited, never smoke, use an open flame, or create sparks near the battery. Proper ventilation is required when charging. 8) Risk of electrical shock. DO NOT touch uninsulated portion of AC or DC connectors or the uninsulated battery terminal. 9) If the battery is found to be abnormal or damaged during working process, please drop the power adapter and connector immediately. 10) In order to avoid charger wiring harness damage, please do not put the matters onto charger wiring harness or the places easy to be stamped, if there is damage of wiring harness, please change immediately. D. Common Faults and Solutions: 1) Error input voltage: Check if the input voltage conformed to the requirement or not. 2) Abnormal AC input: Check whether there is AC voltage and whether the input plug is loose. 3) Machine over heat: Check that the fan is running. Also pay attention to ventilation at the working place of charger, covering anything on the charger is not allowed. 4) Output short circuit: Check the wire line of output terminal to exclude short-circuit. 5) No battery or reverse connection: Check the battery connection, connect the battery correctly. 6) Battery voltage is too low: Make battery voltage up to the starting voltage of charger. E. Storage: Products should be stored in package box when it is not used. And warehouse temperature should be -40~70°C, and relative humidity is 5-95%. In the warehouse, there should not be harmful gas, inflammable, explosive products, and corrosive chemical products, and strong mechanical vibration, shock and strong magnetic field affection. The package box should be above ground at least 20 cm height, and 50 cm away from wall, thermal source, and vent. Under this requirement, product has 2 years of storage period, and should be rechecked when over 2 years. The charger must be energized every three months for not less than 0.5 hours. FCC Warnning: 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 againstharmful interference in a residential installation. This equipment generates, uses and can radiateradio frequency energy and, if not installed and used in accordance with the instructions, maycause harmful interference to radio communications. However, there is no guarantee thatinterference will not occur in a particular installation. If this equipment does cause harmfulinterference to radio or television reception, which can be determined by turning the equipmentoff and on, the user is encouraged to try to correct the interference by one or more of thefollowing 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. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. 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. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body.

Sincerely, Name/Title： Yaju Chen/Manager Company: Zhengzhou Qindao Technology Co. LTD Address: No. 1202, 12th Floor, Unit 2, Building 13, Derun Gold Coast, North of South Third Ring Road, Erqi District, Zhengzhou China Phone: 13603034005 Fax: N/A E-Mail: [email protected]

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202310434 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 4 Product Name: golf cart battery charger Model No.: Wi2023-cet EUT Constructional Details External Photo Report No.: HTT202310434 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 4 Report No.: HTT202310434 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 3 of 4 Report No.: HTT202310434 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 4 of 4 ------End------

Label and Location Size: L: 4.0cm*W: 3.0cm Label and Location Model No.: Wi2023-cet FCC ID : 2BDFH-WI2023CET Caution : 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.

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202310434 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 3 Product Name: golf cart battery charger Model No.: Wi2023-cet EUT Constructional Details Internal Photo Report No.: HTT202310434 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 3 Report No.: HTT202310434 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 3 of 3 ------End------ BLE ANT WIFI ANT

RF Exposure evaluation FCC ID: 2BDFH-WI2023CET Exposure category: General population/uncontrolled environment EUT Type: Production Unit Device Type: Mobile Device 1. Reference According to §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. According to §1.1310 and §2.1091 RF exposure is calculated. KDB447498 D01: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies 2. Limit Limits for Maximum Permissible Exposure (MPE)/Controlled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Controlled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 1842/f 61.4 / / 1.63 4.89/f 0.163 / / (100) * (900/f 2 )* 1.0 f/300 5 6 6 6 6 6 Limits for Maximum Permissible Exposure (MPE)/Uncontrolled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Controlled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 824/f 27.5 / / 1.63 2.19/f 0.073 / / (100) * (180/f 2 )* 0.2 f/1500 1.0 30 30 30 30 30 F=frequency in MHz *=Plane-wave equivalent power density 3. MPE Calculation Method Predication of MPE limit at a given distance Equation from page 18 of OET Bulletin 65, Edition 97-01 S=PG/4πR² Where: S=power density P=power input to antenna G=power gain of the antenna in the direction of interest relative to an isotropic radiator R=distance to the center of radiation of the antenna 4. Antenna Information Wi2023-cet can only use antennas certificated as follows provided by manufacturer; Antenna No. Model No. of antenna: Type of antenna: Gain of the antenna (Max.) Frequency range: BLE / PCB Antenna 0.00dBi for 2400-2500MHz; 2.4GWIFI / Chip Antenna 1.50dBi for 2400-2500MHz 5. Manufacturing Tolerance BLE GFSK(Peak) Channel Channel 00 Channel 19 Channel 39 Target (dBm) 1.0 0.0 0.0 Tolerance ±(dB) 1.0 1.0 1.0 WIFI(Peak) ANT1 Frequency (MHz) 11b 2412 2437 2462 Target (dBm) 10.0 10.0 10.0 Tolerance ± (dB) 1.0 1.0 1.0 6. Standalone MPE Result As declared by the Applicant, the EUT is a wireless device used in a fix application, at least 20 cm from any body part of the user or nearby persons; from the maximum EUT RF output power, the minimum separation distance, r =20cm, as well as the gain of the used antenna is refer to section 4, the RF power density can be obtained. Modulation Type Output power Antenna Gain (dBi) Antenna Gain (linear) MPE (mW/cm 2 ) MPE Limits (mW/cm 2 ) dBm mW BLE 2.0 1.5849 0.0 1.0000 0.0003 1.0000 2.4GWIFI 11.0 12.5893 1.5 1.4125 0.0035 1.0000 Remark: 1. Output power (Peak) including turn-up tolerance; 2. MPE evaluate distance is 20cm from user manual provide by manufacturer. 7. simultaneous MPE Result 2.4GWIFI MPE (Ratio) BLE MPE (Ratio) simultaneous MPE (Ratio) MPE Limits (Ratio) 0.0003 0.0035 0.0038 1.0000 8. Conclusion The measurement results comply with the FCC Limit per 47 CFR 2.1091 for the uncontrolled RF Exposure of mobile device. ----------------THE END OF REPORT---------------

AN9520 Multilayer Chip Antenna for 2.4GHz Wireless Communication RainSun Corporation http://www.rainsun.com 1of 9 Aug, 2009 Ver.2.3 AN9520 Multilayer Chip Antenna ◆Features yLight weight and low profile 9.5mm(L)X2.1mm(W)X1.0mm(H) yOmni‐directional in azimuth Lead (Pb) Free ◆Applicationspp y2.4GHz wireless communications y2.4GHz Modules yBluetooth System 802.11b/g Wireless LAN System Specifications Center frequency2.45GHz Peak gain Operation temperature Storage temperature VSWR Input Impedance 1.5dBi ‐40 ~ +85 ̊C ‐40 ~ +85 ̊C 2.0 (max) 50 Ohm Power handling Bandwidth Azimuth beamwidth Polarization 3W (max) 200MHz Omni‐directional Linear RainSun Corporation http://www.rainsun.com 2of 9 Aug, 2009 Ver.2.3 Pin configuration Pin NoPin assignment 1 Top view 1Feed termination 2Feed point mark 3Solder termination 2 Dimensions 3 SymbolDimensions(mm) A 9.50 ±0.10 B 2.10 ±0.10 C 0.65 ±0.05 H 1.00 ±0.20 PCB foot printerp RainSun Corporation http://www.rainsun.com 3of 9 Aug, 2009 Ver.2.3 Recommended Test Board Pattern Top view Bottom view Ground Plane 50 Ohm Transmission line Board thickness : 0.6mm Board material : FR4 Unit : mm SMA connector Fig-1 Testing Setup Measurement Testing Instrument: Anritsu 37369C VNA(Vector Network Analyzer)Analyzer) VNA calibrate with 1 path reflection only calibration sequence on test board feed point. Thetestboarddimensionandit’s RainSun Corporation http://www.rainsun.com 4of 9 Aug, 2009 Ver.2.3 The test board dimension and it s layout is the same as Fig‐1. Return loss Typical Electrical Characteristics Smith Chart Marker data: 1:f 2 567GHz1 : f=2.567 GHz 2 : f=2.365 GHz 3 : f=2.447 GHz RainSun Corporation http://www.rainsun.com 5of 9 Aug, 2009 Ver.2.3 Typical Radiation Patterns 2.45 GHz H‐Plane 2.45 GHz E‐Plane RainSun Corporation http://www.rainsun.com 6of 9 Aug, 2009 Ver.2.3 Typical Soldering Profile for Lead‐free Process ) 340°C Peak temp 340°C Temperature ( °C ) 300°C 150°C 25 sec. 5 sec. Pre-heating Time (sec.) Do not exceed 30 secs. 260°C 10 sec, max Reflow Soldering e mperature ( °C ) 260°C 230°C 180°C T e 60 sec. 30 sec. Pre-heating RainSun Corporation http://www.rainsun.com 7of 9 Aug, 2009 Ver.2.3 Time (sec.) Packing Blister Tape Specifications SymbolDimension ToleranceUnit W16.00 ±0.30 mm E1.75 ±0.10 mm F7.50 ±0.10 mm D1.50 + 0.10 ‐0.00 mm D 1 1.50 + 0.25 ‐0.00 mm P 0 4.00 ±0.10 mm P8.00 ±0.10 mm P 2 2.00 ±0.10 mm A 0 2.20 ±0.10 mm B 0 10.00 ±0.10 mm K120 ±010 RainSun Corporation http://www.rainsun.com 8of 9 Aug, 2009 Ver.2.3 K 0 1.20 ±0.10 mm t0.30 ±0.05 mm Reel Specifications Quantity l Tape Width () A () C () B () E () W () W 1 ()Per Reel(mm)(mm)(mm)(mm)(mm)(mm)(mm) 1,50016 180±1 13.0±0.5 62±0.5 2.2±0.5 16±0.5 20±0.2 RainSun Corporation http://www.rainsun.com 9of 9 Aug, 2009 Ver.2.3

Antennaspecification APPlications ※BluetoothHomeRF ※ISMband2.4GHzapplications 1.Dimensions 2.Specifications numberItemSpecifications 1WorkingCentralFrequency2441MHz 2BandWidth(2402-2480)MHz 3Gain0dBi 4VSWR≤2.0 5AntennatypePCBantenna 6AzimuthBeamwidthOmni‐directional 7Impedance50ohm 8ModulationmodeGFSK ‣CompanyName : ‣ Companyaddres Zhengzhou Qindao Technology Co. LTD s : No. 1202, 12th Floor, Unit 2, Building 13, Derun Gold Coast, North of South Third Ring Road, Erqi District, Zhengzhou City Unit:mm 3.simulationparameter ①VSWR Mkr1:2397MHz1.47Mkr2:2450MHz1.51Mkr3:2482MHz1.59 ②SmithChar Mkr1:2397MHz73.4Mkr2:2450MHz62.7Mkr3:2482MHz66.8 ③ReturnLoss Mkr1:2397MHz-15Mkr2:2450MHz-18Mkr3:2482MHz-16 ④SmithChar Mkr1:2400MHz1.234Mkr2:2500MHz1.051Mkr3:2600MHz1.322 ⑤ReturnLoss Mkr1:2400MHz-19.59Mkr2:2450MHz-27.70Mkr3:2500MHz-31.97Mkr4: 2550MHz-21.83 ` ⑥Phase Mkr1:2400MHz-54.89Mkr2:2500MHz-82.03Mkr3:2600MHz-102.6 4.RadiationPattems XY-plane XZ-plane YZ-plane  3DRadiationpattern

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202310434F01 This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Page 1 of 30 TEST Report Applicant: Zhengzhou Qindao Technology Co. LTD Address of Applicant: No. 1202, 12th Floor, Unit 2, Building 13, Derun Gold Coast, North of South Third Ring Road, Erqi District, Zhengzhou City Manufacturer : Zhengzhou Qindao Technology Co. LTD Address of Manufacturer : No. 1202, 12th Floor, Unit 2, Building 13, Derun Gold Coast, North of South Third Ring Road, Erqi District, Zhengzhou City Equipment Under Test (EUT) Product Name: golf cart battery charger Model No.: Wi2023-cet Series model: N/A Trade Mark: CETIHIO FCC ID: 2BDFH-WI2023CET Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of sample receipt: Oct.10,2023 Date of Test: Oct.10,2023~Nov.02,2023 Date of report issued: Nov.02,2023 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: HTT202310434F01 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 2 of 30 1. Version Version No. Date Description 00 Nov.02,2023 Original Tested/ Prepared By Date: Nov.02,2023 Project Engineer Check By: Date: Nov.02,2023 Reviewer Approved By : Date: Nov.02,2023 Authorized Signature Report No.: HTT202310434F01 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 3 of 30 2. Contents Page 1. VERSION ........................................................................................................................................................ 2 2. CONTENTS .................................................................................................................................................... 3 3. TEST SUMMARY ........................................................................................................................................... 4 4. GENERAL INFORMATION ............................................................................................................................ 5 4.1. GENERAL DESCRIPTION OF EUT ................................................................................................................ 5 4.2. TEST MODE ............................................................................................................................................... 7 4.3. DESCRIPTION OF SUPPORT UNITS .............................................................................................................. 7 4.4. DEVIATION FROM STANDARDS .................................................................................................................... 7 4.5. ABNORMALITIES FROM STANDARD CONDITIONS........................................................................................... 7 4.6. TEST FACILITY ........................................................................................................................................... 7 4.7. TEST LOCATION ......................................................................................................................................... 7 4.8. ADDITIONAL INSTRUCTIONS ........................................................................................................................ 7 5. TEST INSTRUMENTS LIST ........................................................................................................................... 8 6. TEST RESULTS AND MEASUREMENT DATA ............................................................................................ 9 6.1. CONDUCTED EMISSIONS ............................................................................................................................ 9 6.2. CONDUCTED OUTPUT POWER .................................................................................................................... 9 6.3. CHANNEL BANDWIDTH ............................................................................................................................. 13 6.4. POWER SPECTRAL DENSITY ..................................................................................................................... 15 6.5. BAND EDGES ........................................................................................................................................... 17 6.5.1 Conducted Emission Method .......................................................................................................... 17 6.5.2 Radiated Emission Method ............................................................................................................. 18 6.6. SPURIOUS EMISSION ................................................................................................................................ 20 6.6.1 Conducted Emission Method .......................................................................................................... 20 6.6.2 Radiated Emission Method ............................................................................................................. 22 6.7. ANTENNA REQUIREMENT .......................................................................................................................... 29 7. TEST SETUP PHOTO .................................................................................................................................. 30 8. EUT CONSTRUCTIONAL DETAILS .....................................................................…

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Shenzhen HTT Technology Co., Ltd. Report No.: HTT202310434F02 This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Page 1 of 32 TEST Report Applicant: Zhengzhou Qindao Technology Co. LTD Address of Applicant: No. 1202, 12th Floor, Unit 2, Building 13, Derun Gold Coast, North of South Third Ring Road, Erqi District, Zhengzhou City Manufacturer : Zhengzhou Qindao Technology Co. LTD Address of Manufacturer : No. 1202, 12th Floor, Unit 2, Building 13, Derun Gold Coast, North of South Third Ring Road, Erqi District, Zhengzhou City Equipment Under Test (EUT) Product Name: golf cart battery charger Model No.: Wi2023-cet Series model: N/A Trade Mark: CETIHIO FCC ID: 2BDFH-WI2023CET Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of sample receipt: Oct.10,2023 Date of Test: Oct.10,2023~Nov.02,2023 Date of report issued: Nov.02,2023 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: HTT202310434F02 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 2 of 32 1. Version Version No. Date Description 00 Nov.02,2023 Original Tested/ Prepared By Date: Nov.02,2023 Project Engineer Check By: Date: Nov.02,2023 Reviewer Approved By : Date: Nov.02,2023 Authorized Signature Report No.: HTT202310434F02 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 3 of 32 2. Contents Page 1. VERSION ........................................................................................................................................................ 2 2. CONTENTS .................................................................................................................................................... 3 3. TEST SUMMARY ........................................................................................................................................... 4 4. GENERAL INFORMATION ............................................................................................................................ 5 4.1. GENERAL DESCRIPTION OF EUT ................................................................................................................ 5 4.2. TEST MODE ............................................................................................................................................... 7 4.3. DESCRIPTION OF SUPPORT UNITS .............................................................................................................. 7 4.4. DEVIATION FROM STANDARDS .................................................................................................................... 7 4.5. ABNORMALITIES FROM STANDARD CONDITIONS........................................................................................... 7 4.6. TEST FACILITY ........................................................................................................................................... 7 4.7. TEST LOCATION ......................................................................................................................................... 7 4.8. ADDITIONAL INSTRUCTIONS ........................................................................................................................ 7 5. TEST INSTRUMENTS LIST ........................................................................................................................... 8 6. TEST RESULTS AND MEASUREMENT DATA ............................................................................................ 9 6.1. CONDUCTED EMISSIONS ............................................................................................................................ 9 6.2. CONDUCTED PEAK OUTPUT POWER ......................................................................................................... 12 6.3. CHANNEL BANDWIDTH ............................................................................................................................. 13 6.4. POWER SPECTRAL DENSITY ..................................................................................................................... 15 6.5. BAND EDGE ............................................................................................................................................. 17 6.5.1. Conducted Emission Method ......................................................................................................... 17 6.5.2. Radiated Emission Method ............................................................................................................ 19 6.6. SPURIOUS EMISSION ................................................................................................................................ 21 6.6.1. Conducted Emission Method ......................................................................................................... 21 6.6.2. Radiated Emission Method ............................................................................................................ 24 6.7. ANTENNA REQUIREMENT .......................................................................................................................... 31 7. TEST SETUP PHOTO .................................................................................................................................. 32 8. EUT CONSTRUCTIONAL DETAILS .........................................................................…

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Shenzhen HTT Technology Co., Ltd. Report No.: HTT202310434 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 2 Product Name: golf cart battery charger Model No.: Wi2023-cet Test Setup Photo Radiated Emission Report No.: HTT202310434 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 2 Conducted Emission ------End------