WUI-A28PROA28PROWIFI

Specification Niou A28 PRO WIFI MODULE A28PROWIFI WIFI Module Specification File status： [ ] Draft [√ ] Published [ ] Pending File name： Product specification Version： V1.3 Editor： Henry Ho Finished date： 2023-10-12 Version Editor Participator Valid from Remark V1.3 Henry Ho 2023-10-12 Specification 0 Amendment 1 General Description The iotTech iTM1058 is a low-cost and a highly integrated WLAN module which has all of the Wi-Fi functionalities. The highly integrated module makes the possibilities of web browsing, VoIP, headsets and other applications. With seamless roaming capabilities and advanced security, also could interact with all WIFI Access Points in the market. iTM1058 is designed to support IEEE 802.11 b/g/n single stream with the state of-the-art design techniques and process technology to achieve low power consumption and high throughput performance to address the requirement of mobile and handheld devices. iTM1058 low power function uses the innovative design techniques and the optimized architecture which best utilizes the advanced process technology to reduce active and idle power, and achieve extreme low power consumption at sleep state to extend the battery life. This compact module iTM1058 is a total solution for Wi-Fi technologies. It is specifically developed for portable devices, and can minimize the resource consumption of CPU and memory for enabling Wi-Fi communication. iTM1058 provides SDIO host interface for external CPU. 2 Feature • Wi-Fi Chipset : iComm SV6158 • IEEE 802.11 b/g/n 1T1R • Integrated 2.4GHz WLAN CMOS efficient power amplifier with internal power detector andclosed loop power calibration • Single stream 802.11n provides highest throughput and superior RF performance forembedded system. • Security subsystem - AES/SHA/ECC HW crypto engine - 2304b e-fuse, TRNG - Wi-Fi Alliance WPA3 support • Supports popular interfaces: SDIO 2.0 (50MHz, 4-bit and 1-bit) / SPI • Low power feature - DTIM3: 210uA Specification The block diagram of iTM1058 module is depicted in the figure below. Specification 3 Specification Specification Specification Specification 4 Drawing 4.1 Layout Recommendation Specification 5 Remark Storage Temperature and Humidity 1. Storage Condition: Moisture barrier bag must be stored under 30°C, humidity under 85% RH. Humidity indicator cards must be blue, <30%. Specification FCC Information 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. Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications or change to this equipment. Such modifications or change 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. RF Exposure Information: This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. In order to avoid the possibility of exceeding the FCC radio frequency exposure limits, human proximity to the antenna shall not be less than 20cm during normal operation. This module is for internal use only and not sold outside. Antenna Information It is 2.4GHz Wifi antenna, model number SF1006A-1B2-A. Additional testing, Part 15 Subpart B disclaimer: The modular transmitter is only FCC authorized for the specific rule parts (FCC Part 15.247) list on the grant, and that the host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. The final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed when contains digital circuity. The modular must be installed in the host that assign by Company name: Winplus Co., Ltd. Product/PMN: A28PROWIFI Model no./HVIN: BT532967 if other host types used would need further evaluation and possible C2PC if they are not significantly similar to the one tested. IC Information -English: This device contains license-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada's license-exempt RSS(s). Operation is subject to the following two conditions: - This device may not cause interference. - This device must accept any interference, including interference that may cause undesired operation of the device. This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. -French: Cet appareil contient un ou des émetteurs/récepteurs exempts de licence confor…

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Attestation Statements 2023-9-19 TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (FCC ID: WUI-A28PRO) Winplus Co., Ltd, the undersigned, hereby authorize ADC Solutions Auto, LLC to act as our designated U.S. agent for service of process, Winplus Co., Ltd accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. ADC Solutions Auto, LLC accepts the responsibility to act as designated U.S. agent for service of process. Applicant Information： Company name: Winplus Co., Ltd Contact Name: Benson Leung Address: Suites 6-11, 7th Floor, Corporation Park, 11 On La Shatin, Hong Kong Telephone No: 852 2798 8932 Email: [email protected] Signature [Benson Leung] U.S. Agent Information: Company Name: ADC Solutions Auto, LLC Address: 2975 Red Hill Ave., Ste. 100, Costa Mesa, CA 92626, USA Contact Name: Henry Ho Telephone No: 1-866-294-9244 Email: [email protected] Signature [Henry Ho ]

Winplus Co., Ltd. 2023-09-19 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: WUI-A28PRO ) [Winplus Co., Ltd. ] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Benson Leung Director Winplus Co., Ltd. Suites 6-11, 7th Floor, Corporation Park, 11 On La Shatin, Hong Kong Winplus Co., Ltd. 2023-09-19 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for(FCC ID: WUI-A28PRO) [Winplus Co., Ltd. ] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, Benson Leung Director Winplus Co., Ltd. Suites 6-11, 7th Floor, Corporation Park, 11 On La Shatin, Hong Kong

Winplus Co., Ltd. 2023-09-19 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Guangdong Global Testing Technology Co., Ltd. to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Benson Leung Director Winplus Co., Ltd. Suites 6-11, 7th Floor, Corporation Park, 11 On La Shatin, Hong Kong

Winplus Co., Ltd. 2023-09-19 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (EUT Name: A28PROWIFI /Model: BT532967 /FCC ID: WUI-A28PRO) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the (Block Diagram ,Operational Description,Schematics ) required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Benson Leung Director Winplus Co., Ltd. Suites 6-11, 7th Floor, Corporation Park, 11 On La Shatin, Hong Kong

Winplus Co., Ltd. Request for Modular/Limited Modular Approval Date: October 24, 2023 Subject: Manufacturer’s Declaration for ☐ - Modular Approval ☐ - Split Modular Approval ☒ - Limited Modular Approval ☐ - Limited Split Modular Approval Confidentiality Request for: ______ WUI-A28PRO ______ 8 Basic Requirements – FCC Part 15.212(a)(1) For Items Marked “NO(*)”, the Limited Module Description Must be Filled Out on the Following Pages Modular Approval Requirement Requirement Met 1. The modular transmitter must have its own RF shielding. This is intended to ensure that the module does not have to rely upon the shielding provided by the device into which it is installed in order for all modular transmitter emissions to comply with FCC limits. It is also intended to prevent coupling between the RF circuitry of the module and any wires or circuits in the device into which the module is installed. Such coupling may result in non-compliant operation. The physical crystal and tuning capacitors may be located external to the shielded radio elements. 15.212(a)(1)(i) ☐ - YES ☒ - NO(*) 2. The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with FCC requirements under conditions of excessive data rates or over-modulation. 15.212(a)(1)(ii) ☒ - YES ☐ - NO(*) 3. The modular transmitter must have its own power supply regulation on the module. This is intended to ensure that the module will comply with FCC requirements regardless of the design of the power supplying circuitry in the device into which the module is installed. 15.212(a)(1)(iii) ☒ - YES ☐ - NO(*) 4. The modular transmitter must comply with the antenna and transmission system requirements of §§ 15.203, 15.204(b), 15.204(c), 15.212(a), and 2.929(b). The antenna must either be permanently attached or employ a ‘‘unique’’ antenna coupler (at all connections between the module and the antenna, including the cable). The ‘‘professional installation’’ provision of § 15.203 is not applicable to modules but can apply to limited modular approvals under paragraph 15.212(b). 15.212(a)(1)(iv) ☒ - YES ☐ - NO(*) 5. The modular transmitter must be tested in a stand-alone configuration, i.e., the module must not be inside another device during testing. This is intended to demonstrate that the module is capable of complying with Part 15 emission limits regardless of the device into which it is eventually installed. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in Section 15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see Section 15.27(a)). The length of these lines shall be length typical of actual use or, if that length is unknown, at least 10 centimeters to insure that there is no coupling between the case of the module and supporting equipment. Any accessories, peripherals, or support equipment connected to the module during testing shall be unmodified or commercially available (see Section 15.31(i)). 15.212(a)(1)(v) ☐ - YES ☒ - NO(*) Winplus Co., Ltd. Modular Approval Requirement Requirement Met 6. The modular transmitter must be labeled with its own FCC ID number, or use an electron display (see KDB Publication 784748). If using a permanently affixed label with its own FCC ID number, if the FCC ID is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains Transmitter Module FCC ID: XYZMODEL1” or “Contains FCC ID: XYZMODEL1.” Any similar wording that expresses the same meaning may be used. The Grantee may either provide such a label, an example of which must be included in the application for equipment authorization, or, must provide adequate instructions along with the module which explain this requirement. In the latter case, a copy of these instructions must be included in the application for equipment authorization. If the modular transmitter uses an electronic display of the FCC identification number, the information must be readily accessible and visible on the modular transmitter or on the device in which it is installed. If the module is installed inside another device, then the outside of the device into which the module is installed must display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains FCC certified transmitter module(s).” Any similar wording that expresses the same meaning may be used. The user manual must include instructions on how to access the electronic display. A copy of these instructions must be included in the application for equipment authorization. 15.212(a)(1)(vi) ☒ - YES ☐ - NO(*) 7. The modular transmitter must comply with all specific rule or operating requirements applicable to the transmitter, including all the conditions provided in the integration instructions by the grantee. A copy of these instructions must be included in the application for equipment authorization. For example, there are very strict operational and timing requirements that must be met before a transmitter is authorized for operation under Section 15.231. For instance, data transmission is prohibited, except for operation under Section 15.231(e), in which case there are separate field strength level and timing requirements. Compliance with these requirements must be assured. 15.212(a)(1)(vii) ☒ - YES ☐ - NO(*) 8. The modular transmitter must comply with any applicable RF exposure requirements. For example, FCC Rules in Sections 2.1091, 2.1093 and specific Sections of Part 15, including 15.319(i), 15.407(f), 15.253(f) and 15.255(g), require that Unlicensed PCS, UNII and millimeter wave devices perform routine environmental evaluation for RF…

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External (WIFI Modular)

External (Host)

Label: Label Location FCC ID: WUI-A28PRO Model/HVIN: BT532967 Product/PMN: A28PROWIFI

Internal (Host) 2.4GHz WIFI Antenna

Internal (WIFI Modular)

RF EXPOSURE EVALUATION According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b) FCC ID: WUI-A28PRO EUT Specification EUT A28PROWIFI Model Number BT532967 Rating DC 3.3V Frequency band (Operating) WLAN: 2.412GHz ~ 2.462GHz WLAN: 5.18GHz ~ 5.32GHz / 5.50GHz ~ 5.70GHz WLAN: 5.745GHz ~ 5.825GHz Device category Portable (<20cm separation) Mobile (>20cm separation) Exposure classification Occupational/Controlled exposure (S = 5mW/cm2) General Population/Uncontrolled exposure (S=1mW/cm2) Antenna diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Max. output power（peak power） IEEE 802.11b: 15.06dBm IEEE 802.11g: 13.74dBm IEEE 802.11n-HT20: 13.44dBm IEEE 802.11n-HT40: 13.82dBm Antenna gain (Max) 0.52dBi Evaluation applied MPE Evaluation SAR Evaluation Limits for Maximum Permissible Exposure(MPE) Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density(mW/cm 2 ) Average Time (A) Limits for Occupational/Control Exposures 300-1500-- -- F/300 6 1500-100000 -- -- 5 6 (B) Limits for General Population/Uncontrol Exposures 300-1500-- -- F/1500 6 1500-100000 -- -- 1 30 Friis transmission formula: Pd=(Pout*G)\(4*pi*R2) Where Pd= Power density in mW/cm 2 , Pout=output power to antenna in Mw G= gain of antenna in linear scale, Pi=3.1416 R= distance between observation point and center of the radiator in cm=20cm Pd the limit of MPE, 1mW/cm2. If we know the maximum gain of the antenna and total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. Measurement Result 2.4GHz WIFI: Operation Mode Channel Number Channel Frequency (MHz) Measurement Level (dBm) Limit (dBm) Verdict 802.11b 1 2412 15.06 30 PASS 6 2437 15.01 30 PASS 11 2462 15.04 30 PASS 802.11g 1 2412 13.64 30 PASS 6 2437 13.74 30 PASS 11 2462 13.71 30 PASS 802.11n (HT20) 1 2412 13.05 30 PASS 6 2437 13.31 30 PASS 11 2462 13.44 30 PASS 802.11n (HT40) 3 2422 13.75 30 PASS 6 2437 13.79 30 PASS 9 2452 13.82 30 PASS Operating Mode Test Channel Tune up tolerance (dBm) Max tune up conducted power(dBm) Output Peak power (mW) Ant. Gain (dBi) Ant. Gain (numeric) Power density at 20cm (mW/ cm2) Power density Limits (mW/ cm2) 802.11b 1 15±1 16 39.811 0.52 1.127 0.008927 1 6 15±1 16 39.811 0.52 1.127 0.008927 1 11 15±1 16 39.811 0.52 1.127 0.008927 1 802.11g 1 14±1 15 31.623 0.52 1.127 0.007091 1 6 14±1 15 31.623 0.52 1.127 0.007091 1 11 14±1 15 31.623 0.52 1.127 0.007091 1 802.11n (HT20) 1 13±1 14 25.119 0.52 1.127 0.005633 1 6 13±1 14 25.119 0.52 1.127 0.005633 1 11 13±1 14 25.119 0.52 1.127 0.005633 1 802.11n (HT40) 3 14±1 15 31.623 0.52 1.127 0.007091 1 6 14±1 15 31.623 0.52 1.127 0.007091 1 9 14±1 15 31.623 0.52 1.127 0.007091 1 The Product unsupported at the same time to Transmitting. According to KDB 447498, and no simultaneous SAR measurement is required. Signature: Shawn Wen Date: 2023-08-24

ShenzhenSuoWardCommunicationTechnologyCo.,Ltd. 4thFloor,Building13,RundongshengIndustrialZone,Xixiang Street,BaoanDistrict,ShenzhenTel:0755-29985185Fax:0755-27487028 Antennaspecificationforapproval ShenzhenSuoWardCommunicationTechnologyCo.,Ltd. 4thFloor,Building13,RundongshengIndustrialZone,Xixiang Street,BaoanDistrict,ShenzhenTel:0755-29985185Fax:0755-27487028 NO.CertificationNo.MaterialtypeDateofissueRemark 1A2230173541101001Etinnedcopperwire2023-04-24Oneyear 2CANEC2227657302halogen2022-12-28Oneyear 3CANEC2227657303Adhesive2022-12-28Oneyear 4SHAEC23000346911FEPjacket2023-01-13Oneyear 5SHAEC22004639301FEPinsulation2022-12-15Oneyear 6SZXEC2203054804Tinwire2022-09-19Oneyear 7SZXEC2203054808Tin2022-09-19Oneyear 8ETR23701480Printingink2023-07-13Oneyear 9A2230173918101001Ebasematerial2023-04-18Oneyear 10CANEC2227574118EVAfoam2023-01-03Oneyear 11A2230383826101003conductivecloth2023-08-04Oneyear 12CANEC2218227002goldplating2022-08-30Oneyear ShenzhenSuoWardCommunicationTechnologyCo.,Ltd. 4thFloor,Building13,RundongshengIndustrialZone,Xixiang Street,BaoanDistrict,ShenzhenTel:0755-29985185Fax:0755-27487028 1:Equipmentsupport&testableantennatypes.....................................................1 2:Overview..............................................................................................2 3:Matchingcircuitdiagram&machinepicture&antennapicture............................................3 4:AntennaStandingWaveRatio&AntennaEfficiency(VSWR)..............................................4 5:3Dpattern.............................................................................5 6:Structuraldrawings.................................................................................................6 ShenzhenSuoWardCommunicationTechnologyCo.,Ltd. 4thFloor,Building13,RundongshengIndustrialZone,Xixiang Street,BaoanDistrict,ShenzhenTel:0755-29985185Fax:0755-27487028 ShenzhenSuoWardCommunicationTechnologyCo.,Ltd. 4thFloor,Building13,RundongshengIndustrialZone,Xixiang Street,BaoanDistrict,ShenzhenTel:0755-29985185Fax:0755-27487028 2:Overview ShenzhenSuoWardCommunicationTechnologyCo.,Ltd. 4thFloor,Building13,RundongshengIndustrialZone,Xixiang Street,BaoanDistrict,ShenzhenTel:0755-29985185Fax:0755-27487028 3:Matchingcircuitdiagram&machinepicture&antennapicture Matchingcircuit ShenzhenSuoWardCommunicationTechnologyCo.,Ltd. 4thFloor,Building13,RundongshengIndustrialZone,Xixiang Street,BaoanDistrict,ShenzhenTel:0755-29985185Fax:0755-27487028 4: Antennastandingwaveratio&antennaefficiency(VSWR) ShenzhenSuoWardCommunicationTechnologyCo.,Ltd. 4thFloor,Building13,RundongshengIndustrialZone,Xixiang Street,BaoanDistrict,ShenzhenTel:0755-29985185Fax:0755-27487028 RealTest NO1 TestPlaceSowardResearchBase TestEquipmentRedmiK20pro TestDistance ＞ 10m 5:3Dpattern 6:Structuraldrawings ShenzhenSuoWardCommunicationTechnologyCo.,Ltd. 4thFloor,Building13,RundongshengIndustrialZone,Xixiang Street,BaoanDistrict,ShenzhenTel:0755-29985185Fax:0755-27487028

Appendix A 7.1Maximum Conducted Output Power ConditionModeFrequency (MHz)AntennaConducted Power (dBm)Duty Factor (dB)Total Power (dBm)Limit (dBm)Verdict NVNTb2412Ant115.06015.0630Pass NVNTb2437Ant115.01015.0130Pass NVNTb2462Ant115.04015.0430Pass NVNTg2412Ant113.64013.6430Pass NVNTg2437Ant113.74013.7430Pass NVNTg2462Ant113.71013.7130Pass NVNTn202412Ant113.05013.0530Pass NVNTn202437Ant113.31013.3130Pass NVNTn202462Ant113.44013.4430Pass NVNTn402422Ant113.75013.7530Pass NVNTn402437Ant113.79013.7930Pass NVNTn402452Ant113.82013.8230Pass 7.2-6dB Bandwidth Condition Mode Frequency (MHz) Antenna -6 dB Bandwidth (MHz) Limit -6 dB Bandwidth (MHz) Verdict NVNT b 2412 Ant1 10.017 0.5 Pass NVNT b 2437 Ant1 10.047 0.5 Pass NVNT b 2462 Ant1 10.035 0.5 Pass NVNT g 2412 Ant1 16.338 0.5 Pass NVNT g 2437 Ant1 16.341 0.5 Pass NVNT g 2462 Ant1 16.344 0.5 Pass NVNT n20 2412 Ant1 17.571 0.5 Pass NVNT n20 2437 Ant1 17.571 0.5 Pass NVNT n20 2462 Ant1 17.586 0.5 Pass NVNT n40 2422 Ant1 35.754 0.5 Pass NVNT n40 2437 Ant1 35.604 0.5 Pass NVNT n40 2452 Ant1 36 0.5 Pass Test Graphs -6dB Bandwidth NVNT b 2412MHz Ant1 -6dB Bandwidth NVNT b 2437MHz Ant1 -6dB Bandwidth NVNT b 2462MHz Ant1 -6dB Bandwidth NVNT g 2412MHz Ant1 -6dB Bandwidth NVNT g 2437MHz Ant1 -6dB Bandwidth NVNT g 2462MHz Ant1 -6dB Bandwidth NVNT n20 2412MHz Ant1 -6dB Bandwidth NVNT n20 2437MHz Ant1 -6dB Bandwidth NVNT n20 2462MHz Ant1 -6dB Bandwidth NVNT n40 2422MHz Ant1 -6dB Bandwidth NVNT n40 2437MHz Ant1 -6dB Bandwidth NVNT n40 2452MHz Ant1 Occupied Channel Bandwidth Condition Mode Frequency (MHz) Antenna 99% OBW (MHz) NVNT b 2412 Ant1 14.999 NVNT b 2437 Ant1 15.01 NVNT b 2462 Ant1 15.004 NVNT g 2412 Ant1 16.84 NVNT g 2437 Ant1 16.822 NVNT g 2462 Ant1 16.81 NVNT n20 2412 Ant1 17.872 NVNT n20 2437 Ant1 17.866 NVNT n20 2462 Ant1 17.872 NVNT n40 2422 Ant1 36.404 NVNT n40 2437 Ant1 36.392 NVNT n40 2452 Ant1 36.428 Test Graphs OBW NVNT b 2412MHz Ant1 OBW NVNT b 2437MHz Ant1 OBW NVNT b 2462MHz Ant1 OBW NVNT g 2412MHz Ant1 OBW NVNT g 2437MHz Ant1 OBW NVNT g 2462MHz Ant1 OBW NVNT n20 2412MHz Ant1 OBW NVNT n20 2437MHz Ant1 OBW NVNT n20 2462MHz Ant1 OBW NVNT n40 2422MHz Ant1 OBW NVNT n40 2437MHz Ant1 OBW NVNT n40 2452MHz Ant1 7.3Maximum Power Spectral Density Level Condition Mode Frequency (MHz) Antenna Conducted PSD (dBm/3kHz) Duty Factor (dB) Total PSD (dBm/3kHz) Limit (dBm/3kHz) Verdict NVNT b 2412 Ant1 -10.8 0 -10.8 8 Pass NVNT b 2437 Ant1 -10.28 0 -10.28 8 Pass NVNT b 2462 Ant1 -11.42 0 -11.42 8 Pass NVNT g 2412 Ant1 -12.94 0 -12.94 8 Pass NVNT g 2437 Ant1 -13.94 0 -13.94 8 Pass NVNT g 2462 Ant1 -13.9 0 -13.9 8 Pass NVNT n20 2412 Ant1 -14.51 0 -14.51 8 Pass NVNT n20 2437 Ant1 -14.71 0 -14.71 8 Pass NVNT n20 2462 Ant1 -13.3 0 -13.3 8 Pass NVNT n40 2422 Ant1 -14.99 0 -14.99 8 Pass NVNT n40 2437 Ant1 -15.59 0 -15.59 8 Pass NVNT n40 2452 Ant1 -15.66 0 -15.66 8 Pass Test Graphs PSD NVNT b 2412MHz Ant1 PSD NVNT b 2437MHz Ant1 PSD NVNT b 2462MHz Ant1 PSD NVNT g 2412MHz Ant1 PSD NVNT g 2437MHz Ant1 PSD NVNT g 2462MHz Ant1 PSD NVNT n20 2412MHz Ant1 PSD NVNT n20 2437MHz Ant1 PSD NVNT n20 2462MHz Ant1 PSD NVNT n40 2422MHz Ant1 PSD NVNT n40 2437MHz Ant1 PSD NVNT n40 2452MHz Ant1 7.4Band Edge Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT b 2412 Ant1 -37.09 -20 Pass NVNT b 2462 Ant1 -53.19 -20 Pass NVNT g 2412 Ant1 -30.15 -20 Pass NVNT g 2462 Ant1 -40.22 -20 Pass NVNT n20 2412 Ant1 -30.4 -20 Pass NVNT n20 2462 Ant1 -38.84 -20 Pass NVNT n40 2422 Ant1 -30.56 -20 Pass NVNT n40 2452 Ant1 -32.33 -20 Pass Test Graphs Band Edge NVNT b 2412MHz Ant1 Ref Band Edge NVNT b 2412MHz Ant1 Emission Band Edge NVNT b 2462MHz Ant1 Ref Band Edge NVNT b 2462MHz Ant1 Emission Band Edge NVNT g 2412MHz Ant1 Ref Band Edge NVNT g 2412MHz Ant1 Emission Band Edge NVNT g 2462MHz Ant1 Ref Band Edge NVNT g 2462MHz Ant1 Emission Band Edge NVNT n20 2412MHz Ant1 Ref Band Edge NVNT n20 2412MHz Ant1 Emission Band Edge NVNT n20 2462MHz Ant1 Ref Band Edge NVNT n20 2462MHz Ant1 Emission Band Edge NVNT n40 2422MHz Ant1 Ref Band Edge NVNT n40 2422MHz Ant1 Emission Band Edge NVNT n40 2452MHz Ant1 Ref Band Edge NVNT n40 2452MHz Ant1 Emission Conducted RF Spurious Emission Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT b 2412 Ant1 -55.02 -20 Pass NVNT b 2437 Ant1 -55.86 -20 Pass NVNT b 2462 Ant1 -54.26 -20 Pass NVNT g 2412 Ant1 -52.02 -20 Pass NVNT g 2437 Ant1 -52.42 -20 Pass NVNT g 2462 Ant1 -52.39 -20 Pass NVNT n20 2412 Ant1 -52.06 -20 Pass NVNT n20 2437 Ant1 -52.64 -20 Pass NVNT n20 2462 Ant1 -49.51 -20 Pass NVNT n40 2422 Ant1 -48.7 -20 Pass NVNT n40 2437 Ant1 -48.49 -20 Pass NVNT n40 2452 Ant1 -49.31 -20 Pass Test Graphs Tx. Spurious NVNT b 2412MHz Ant1 Ref Tx. Spurious NVNT b 2412MHz Ant1 Emission Tx. Spurious NVNT b 2437MHz Ant1 Ref Tx. Spurious NVNT b 2437MHz Ant1 Emission Tx. Spurious NVNT b 2462MHz Ant1 Ref Tx. Spurious NVNT b 2462MHz Ant1 Emission Tx. Spurious NVNT g 2412MHz Ant1 Ref Tx. Spurious NVNT g 2412MHz Ant1 Emission Tx. Spurious NVNT g 2437MHz Ant1 Ref Tx. Spurious NVNT g 2437MHz Ant1 Emission Tx. Spurious NVNT g 2462MHz Ant1 Ref Tx. Spurious NVNT g 2462MHz Ant1 Emission Tx. Spurious NVNT n20 2412MHz Ant1 Ref Tx. Spurious NVNT n20 2412MHz Ant1 Emission Tx. Spurious NVNT n20 2437MHz Ant1 Ref Tx. Spurious NVNT n20 2437MHz Ant1 Emission Tx. Spurious NVNT n20 2462MHz Ant1 Ref Tx. Spurious NVNT n20 2462MHz Ant1 Emission Tx. Spurious NVNT n40 2422MHz Ant1 Ref Tx. Spurious NVNT n40 2422MHz Ant1 Emission Tx. Spurious NVNT n40 2437MHz Ant1 Ref Tx. Spurious NVNT n40 2437MHz Ant1 Emission Tx. Spurious NVNT n40 2452MHz Ant1 Ref Tx. Spurious NVNT n40 2452MHz Ant1 Emission 7.5Duty Cycle Condition Mode Frequency (MHz) Antenna Duty Cycle (%) Correction Factor (dB) 1/T (kHz) NVNT b 2412 Ant1 99.79 0 0.12 NVNT b 2437 Ant1 99.79 0 0.12 NVNT b 2462 Ant1 99.79 0 0.12 NVNT g 2412 Ant1 98.87 0 0.72 NVNT g 2437 Ant1 98.87 0 0.72 NVNT g 2462 Ant1 98.87 0 0.72 NVNT n20 2412 Ant1 99.69 0 0.2 NVNT n20 2437 Ant1 99.65 0 0.2 NVNT n20 2462 Ant1 99.69 0 0.2 NVNT…

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TRF No.: 04-E001-1A TRF Originator: GTG TRF Date: 2022-06-29 Web: www.gtggroup.com E-mail: [email protected] Tel.: 86-400 755 8988 CFR 47 FCC PART 15 SUBPART C(DTS) TEST REPORT For A28PROWIFI MODEL NUMBER: BT532967 REPORT NUMBER: E04A23070241F00201 ISSUE DATE: Aug 24, 2023 FCC ID: WUI-A28PRO Prepared for Winplus Co., Ltd. Suites 6-11, 7th Floor, Corporation Park, 11 On La Shatin, Hong Kong Prepared by Guangdong Global Testing Technology Co., Ltd. Room 101-105, 203-210, Building 1, No.2, Keji 8 Road, Songshan Lake Park, Dongguan city, Guangdong, People’s Republic of China, 523808 This report shall not be reproduced, except in full, without the written approval of Guangdong Global Testing Technology Co., Ltd. REPORT NO.: E04A23070241F00201 Page 2 of 52 TRF No.: 04-E001-1A Global Testing , Great Quality. Revision History Rev. Issue Date Revisions Revised By V0 Aug 24, 2023 Initial Issue Win REPORT NO.: E04A23070241F00201 Page 3 of 52 TRF No.: 04-E001-1A Global Testing , Great Quality. Summary of Test Results Test Item Clause Limit/Requirement Result Antenna Requirement N/A FCC Part 15.203/15.247 (c) Pass AC Power Line Conducted Emission ANSI C63.10-2013, Clause 6.2 FCC Part 15.207 N/A Conducted Output Power ANSI C63.10-2013, Clause 11.9.1.3 FCC Part 15.247 (b)(3) Pass 6dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2013, Clause 11.8.1 FCC Part 15.247 (a)(2) Pass Power Spectral Density ANSI C63.10-2013, Clause 11.10.2 FCC Part 15.247 (e) Pass Conducted Band edge and spurious emission ANSI C63.10-2013, Clause 11.11 FCC Part 15.247(d) Pass Radiated Band edge and Spurious Emission ANSI C63.10-2013, Clause 11.11 & Clause 11.12 FCC Part 15.205/15.209 Pass Duty Cycle ANSI C63.10-2013, Clause 11.6 None; for reporting purposes only. Pass Note: 1. N/A: In this whole report not applicable. *The me…

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