NZ3-WN0004AX1800 Dual-Band Mesh WiFi Router Kit

1. Click “Advanced” and select “Firmware Update”. 3. Click on “Upload” and choose “Apply upgrade process to complete. RF exposure statement This equipment meets the exemption from the routine evaluation limits in section 2.5 of RSS-102. It should be installed and operated with a minimum distance of 20cm between the radiator and any part of your body. Cet équipement est conforme à l'exemption des limites d'évaluation habituelle de la section 2.5 de la norme RSS-102. Il doit être installé et utilisé à une distance minimale de 20 cm entre le radiateur et toute partie de votre corps. IC WARNING This device contains licence-exempt transmitter(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation of the device. L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes: 1. L’appareil ne doit pas produire de brouillage; 2. L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement. The device is restricted to indoor use only when operating in the 5150 to 5250 MHz frequency range. Lorsque l'appareil fonctionne dans la gamme de fréquences de 5150 à 5250 MHz, il est limité à une utilisation en intérieur uniquement. "9
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Winstars Technology Limited Block 4, Taisong Industrial Park, Dalang Street, Longhua Town, Bao'an District, Shenzhen, China Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2022-12-12 SUBJECT: FCC Application for FCC ID: NZ3-WN0004 To Whom It May Concern: I, the undersigned, hereby states 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, and will apply the Supplier's Declaration of Conformity procedure to the class B computer peripheral portion of this composite device. I understand the following FCC requirements: 1. Devices subject to the SDoC procedure are required to be tested to show compliance with the FCC technical regulations by a recognized accredited testing laboratory. The testing laboratory must be accredited by a Commission approved accreditation body or designated under the terms of a government-to-government Mutual Recognition Agreement (MRA). A listing of those accredited testing laboratories that have been recognized by the Commission is published on the FCC Webpage: https://apps.fcc.gov/oetcf/eas/reports/TestFirmSearch.cfm (Select the "accredited" option to search for FCC recognized accredited test firms.) 2. Pt 2.1077 contains the list of information that must be included in the Supplier's Declaration of Conformity, which must be supplied with each product sold. The SDoC compliance info shall be included in the User’s Manual or as a separate sheet. The info must contain the name, address, and phone number of the responsible party, which must be located within the United States. According to 2.909(b), the responsible party is either the Manufacturer or if the product is imported the Importer. Regards, Winstars Technology Limited ------------------------------- Johnson Huang/General Manager

Winstars Technology Limited Block 4, Taisong Industrial Park, Dalang Street, Longhua Town, Bao'an District, Shenzhen, China Date: 2022-12-12 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: NZ3-WN0004 Confidentiality Request To whom it may concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. ☒ Block Diagram ☐ Tune-Up Information ☒ Operational Description ☒ Security Information ☒ Schematics ☐ Software Defined Radio (SDR) Information ☐ Parts List 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. In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); ☐ External Photos ☐ Test Setup Photos ☐ Internal Photos ☐ User Manual ☐For 45 days, pursuant to Public Notice DA 04-1705. or ☐For 180 days pursuant to KDB 726920 D01. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Winstars Technology Limited ------------------------------- Johnson Huang/General Manager

Winstars Technology Limited Block 4,Taisong Indusyrial Park, Dalang Street,Longhua Town,Bao'an District,Shenzhen,China --------------------------------------------------------------------------------------------------------------------------------------- Product Name: AX1800 Dual-Band Mesh WiFi Router Kit FCC ID: NZ3-WN0004 Model No.: WS-WN552X1，WS-WN552X2，WS-WN552X3，WL-WN552X1，WL-WN552X2， WL-WN552X3，WS-WN552K1，WS-WN552K2，WS-WN552K3，WL-WN552K1， WL-WN552K2，WL-WN552K3，AURA Pro，9170-00-20 Model Declaration Letter Dear Regulatory Authority, Model(s): WS-WN552X1，WS-WN552X2，WS-WN552X3，WL-WN552X1，WL-WN552X2， WL-WN552X3，WS-WN552K1，WS-WN552K2，WS-WN552K3，WL-WN552K1， WL-WN552K2，WL-WN552K3，AURA Pro，9170-00-20 are same to the model WS-WN552X1, these models are same PCB Layout, Schematics, BOM. Only for different model name and appearances for different market require. Sincerely yours, Signature Johnson Huang/General Manager Date: 2022-12-12

Winstars Technology Limited Block 4, Taisong Industrial Park, Dalang Street, Longhua Town, Bao'an District, Shenzhen, China -------------------------------------------------------------------------------- (FCC ID：NZ3-WN0004) POWER OF ATTORNEY DATE: 2022-12-12 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: We, the undersigned, hereby authorize Waltek Testing Group (Shenzhen) Co., Ltd. Jandy So on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Waltek Testing Group (Shenzhen) Co., Ltd. Jandy So on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, Winstars Technology Limited are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, Winstars Technology Limited ------------------------------- Johnson Huang/General Manager

Reference No.: WTD22X11236852W Page 2 of 13 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 2 - EUT EXTERNAL PHOTOGRAPHS EUT View 1 EUT View 2 Reference No.: WTD22X11236852W Page 3 of 13 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 3 EUT View 4 Reference No.: WTD22X11236852W Page 4 of 13 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 5 EUT View 6 Reference No.: WTD22X11236852W Page 5 of 13 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 7

Reference No.: WTD22X11236852W Page 1 of 13 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn ANNEX EXHIBIT 1 - PRODUCT LABELING Proposed FCC ID Label Format FCC ID: NZ3-WN0004 Specifications: The label shall be securely affixed to a permanently attached part of the device, in a location where it is visible or easily accessible to the user, and shall not be readily detachable. The label shall be sufficiently durable to remain fully legible and intact on the device in all normal conditions of use throughout the device’s expected lifetime. Proposed Label Location on EUT FCC ID Label Location

Reference No.: WTD22X11236852W Page 6 of 13 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 3 - EUT INTERNAL PHOTOGRAPHS EUT Housing and Board View 1 Solder Board-Component View 1 Reference No.: WTD22X11236852W Page 7 of 13 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Solder Board-Component View 2 Solder Board-Component View 3 Reference No.: WTD22X11236852W Page 8 of 13 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Solder Board-Component View 4 Solder Board-Component View 5

Reference No.: WTD22X11236852W Page 9 of 13 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Solder Board-Component View 6 Solder Board-Component View 7 Reference No.: WTD22X11236852W Page 10 of 13 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Antenna View

1. RF Exposure Requirements 1.1 General Information Client Information Applicant: Winstars Technology Limited Address of applicant: Block 4,Taisong Indusyrial Park, Dalang Street,Longhua Town,Bao'an District,Shenzhen,China Manufacturer: Winstars Technology Limited Address of manufacturer: Block 4,Taisong Indusyrial Park, Dalang Street,Longhua Town,Bao'an District,Shenzhen,China General Description of EUT: Product Name: AX1800 Dual-Band Mesh WiFi Router Kit Trade Name: / Model No.: WS-WN552X1 Adding Model(s): WS-WN552X2, WS-WN552X3, WL-WN552X1, WL-WN552X2, WL-WN552X3, WS-WN552K1, WS-WN552K2, WS-WN552K3, WL-WN552K1, WL-WN552K2, WL-WN552K3, AURA Pro, 9170-00-20 Rated Voltage: DC12V Power Adapter Model: MODEL:P018W1201500HU INPUT:AC100-240V~50/60Hz 0.5A MAX OUTPUT:DC12.0V,1.5A 18.0W FCC ID: NZ3-WN0004 Equipment Type: Mobile device Technical Characteristics of EUT: Wi-Fi(2.4GHz) Support Standards: 802.11b, 802.11g, 802.11n-HT20/40, 802.11ax-HE20, 802.11ax-HE40 Frequency Range: 2412-2462MHz for 802.11b/g/n(HT20)/AX(HE 20) 2422-2452MHz for 802.11n(HT40)/AX(HE 40) RF Output Power: Antenna 0: 15.98dBm (Conducted) Antenna 1: 15.76dBm (Conducted) Type of Modulation: CCK, OFDM, QPSK, BPSK, 16QAM, 64QAM, 256QAM, 1024QAM Quantity of Channels: 11 for 802.11b/g/n(HT20)/ax(HE20); 7 for 802.11n(HT40)/ax(HE 40) Channel Separation: 5MHz Type of Antenna: Integral Antenna Antenna Gain: 2.64dBi Wi-Fi(5GHz) Support Standards: 802.11a, 802.11n(HT20) , 802.11n-HT40, 802.11ac-VH20, 802.11ac-VH40, 802.11ac-VH80, 802.11ax-HE20, 802.11ax-HE40, 802.11ax-HE80 Frequency Range: 5150-5250MHz, 5725-5850MHz RF Output Power: Antenna 0: 14.54dBm (Conducted) Antenna 1: 14.78dBm (Conducted) Type of Modulation: QPSK, 16QAM, 64QAM, 256QAM, 1024QAM Type of Antenna: Integral Antenna Antenna Gain: 3.33dBi 1.2 RF Exposure Exemption According to §1.1307(b)(3) and 447498 D04 Interim General RF Exposure Guidance v01, system operating under the provisions of this section shall be operating in a manner that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. Option A: FCC Rule Part 1.1307 (b)(3)(i)(A):The available maximum time-averaged power is no more than 1mW, regardless of separation distance. Option B: FCC Rule Part 1.1307 (b)(3)(i)(B): The available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold P th (mW) described in the following formula. P th is given by: Option C: FCC Rule Part 1.1307 (b)(3)(i)(C): The minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. R must be at least λ/2π, where λ is the free-space operating wavelength in meters. Single RF Sources Subject to Routine Environmental Evaluation RF Source frequency (MHz) Threshold ERP (watts) 0.3-1.34 1,920 R 2 1.34-30 3,450 R 2 /f 2 30-300 3.83 R 2 300-1,500 0.0128 R 2 f 1,500-100,000 19.2R 2 For Multiple RF sources: FCC Rule Part 1.1307(b)(3)(ii): (A) The available maximum time-averaged power of each source is no more than 1 mW and there is a separation distance of two centimeters between any portion of a radiating structure operating and the nearest portion of any other radiating structure in the same device, except if the sum of multiple sources is less than 1 mW during the time-averaging period, in which case they may be treated as a single source (separation is not required). (B) In the case of fixed RF sources operating in the same time-averaging period, or of multiple mobile or portable RF sources within a device operating in the same time averaging period, if the sum of the fractional contributions to the applicable thresholds is less than or equal to 1 as indicated in the following equation. 1.3 Calculated Result Radio Access Technology Min. Frequency Max. Output Power Max. Tune-Up Output Power Antenna Gain Duty Cycle Tune-Up EIRP (MHz) (dBm) (dBm) (dBi) (%) (dBm) Wi-Fi (2.4GHz) Antenna 0 2412 15.98 16.0 2.64 100 18.64 Wi-Fi (2.4GHz) Antenna 1 2412 15.76 16.0 2.64 100 18.64 Wi-Fi (5GHz) Antenna 0 5180 14.54 15.0 3.33 100 18.33 Wi-Fi (5GHz) Antenna 0 5180 14.78 15.0 3.33 100 18.33 Frequency Option Min. Distance Tune-Up ERP Exposure Limit Ratio Result (MHz) (cm) (dBm) (mW) (mW) Pass/Fail 2412 C 20.00 16.49 44.57 768.00 0.06 Pass 2412 C 20.00 16.49 44.57 768.00 0.06 Pass 5180 C 20.00 16.18 41.50 768.00 0.05 Pass 5180 C 20.00 16.18 41.50 768.00 0.05 Pass Note: 1. ERP=EIRP-2.15dB; EIRP= Output Power + Antenna gain 2. Option A, B and C refers as clause 1.2. 3. For option B, Pth(mW) convert to Exposure Limit(mW); For option C, ERP(W) convert to Exposure Limit(mW). 4. Ratio= Tune-Up ERP(mW)/ Exposure Limit (mW) Mode for Simultaneous Multi-band Transmission: Radio Access Technology Ratio 1 Ratio 2 Ratio 3 Ratio 4 Simultaneous Ratio Limit Result Pass/Fail Wi-Fi(2.4GHz)+Wi-Fi(5GHz) 0.06 0.06 0.05 0.05 0.22 1.0 Pass Result: Pass

产品型号Product model：WS-WN552X1 天线制造商Antenna Manufacturer：Dongguan TengXiang Electronic CO.,Ltd 天线类型Antenna type：内置天线 Internal Antenna 天线型号Antenna model：2.4G 3dBi Antenna 1*天线 2.4G/3dBi 裸天线铜管结构 4.8*50mm，L=65mm，带IPEX座 1* antenna 2.4G/3dBi bare antenna copper tube structure 4.8*50mm, L=65mm, with IPEX seat 1*天线 2.4G/3dBi 裸天线铜管结构 4.8*50mm，L=110mm，带IPEX座 1* antenna 2.4G/3dBi bare antenna copper tube structure 4.8*50mm, L=110mm, with IPEX seat 天线型号Antenna model：5G 3dBi Antenna 2*天线 5G/3dBi 裸天线铜管结构 5.6*62mm，L=70mm，带IPEX座 2* antenna 5G/3dBi bare antenna copper tube structure 5.6*62mm, L=70mm, with IPEX seat

Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 145 TEST REPORT Reference No. .................... : WTD22X11236852W001 FCC ID ................................ : NZ3-WN0004 Applicant ........................... : Winstars Technology Limited Address ............................. : Block 4,Taisong Indusyrial Park, Dalang Street,Longhua Town,Bao'an District,Shenzhen,China Manufacturer ..................... : The same as Applicant Address ............................. : The same as Applicant Product Name ................... : AX1800 Dual-Band Mesh WiFi Router Kit Model No. ........................... : WS-WN552X1 Standards .......................... : FCC Part 15.407 Date of Receipt sample .... : 2022-08-25 Date of Test........................ : 2022-08-25 to 2023-01-03 Date of Issue ..................... : 2023-01-03 Test Report Form No. ....... : WTX_Part 15_407W Test Result ......................... : Pass Remarks: The 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 approver. Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tel.: +86-755-33663308 Fax.: +86-755-33663309 Email: [email protected] Tested by: Approved by: Mike Shi Silin Chen Reference No.: WTD22X11236852W001 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 2 of 145 TABLE OF CONTENTS 1. GENERAL INFORMATION ................................................................................................................................... 5 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ............................................................................... 5 1.2 TEST STANDARDS ................................................................................................................................................... 6 1.3 TEST METHODOLOGY ............................................................................................................................................. 6 1.4 TABLE FOR PARAMETERS OF TEST SOFTWARE SETTING ......................................................................................... 6 1.5 EUT OPERATING DURING TEST .............................................................................................................................. 7 1.6 TEST FACILITY ....................................................................................................................................................... 7 1.7 EUT SETUP AND TEST MODE ................................................................................................................................. 8 1.8 MEASUREMENT UNCERTAINTY ............................................................................................................................ 10 1.9 TEST EQUIPMENT LIST AND DETAILS ................................................................................................................... 11 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 14 3. ANTENNA REQUIREMENT ................................................................................................................................ 15 3.1 STANDARD APPLICABLE ....................................................................................................................................... 15 3.2 EVALUATION INFORMATION ................................................................................................................................ 15 4. AUTOMATICALLY DISCONTINUE TRANSMISSION .................................................................................. 16 4.1 STANDARD APPLICABLE ....................................................................................................................................... 16 4.2 SUMMARY OF TEST RESULTS ............................................................................................................................... 16 5. POWER SPECTRAL DENSITY ........................................................................................................................... 17 5.1 STANDARD APPLICABLE ....................................................................................................................................... 17 5.2 TEST PROCEDURE ................................................................................................................................................. 17 5.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 18 6. EMISSION BANDWIDTH AND OCCUPIED BANDWIDTH ........................................................................... 19 6.1 STANDARD APPLICABLE ....................................................................................................................................... 19 6.2 TEST PROCEDURE ................................................................................................................................................. 19 6.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 21 7. MAXIMUM CONDUCTED OUTPUT POWER .................................................................................................. 22 7.1 STANDARD APPLICABLE ....................................................................................................................................... 22 7.2 TEST PROCEDURE ................................................................................................................…

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Reference No.: WTD22X11236852W001 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 98 of 145 802.11n-HT20-Low 802.11n-HT20-Middle 802.11n-HT20-High Offset 1 dB A LVL Att 30 dB * Ref 20 dBm 4 MHz/Center5.745 GHzSpan40 MHz * * 3DB RBW 300 kHz VBW 1 MHz SWT 20 ms 1 PK MAXH -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 1 Marker 1 [T1 ] 12.69 dBm 5.746040000 GHz OBW 17.760000000 MHz T1 Temp 1 [T1 OBW] 3.98 dBm 5.736120000 GHz T2 Temp 2 [T1 OBW] 4.02 dBm 5.753880000 GHz Date: 3.JAN.2023 14:50:58 Offset 1 dB A LVL Att 30 dB * Ref 20 dBm 4 MHz/Center5.785 GHzSpan40 MHz * * 3DB RBW 300 kHz VBW 1 MHz SWT 20 ms 1 PK MAXH -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 1 Marker 1 [T1 ] 12.24 dBm 5.784040000 GHz OBW 17.920000000 MHz T1 Temp 1 [T1 OBW] 2.14 dBm 5.776040000 GHz T2 Temp 2 [T1 OBW] 2.79 dBm 5.793960000 GHz Date: 3.JAN.2023 14:53:02 Offset 1 dB A LVL Att 30 dB * Ref 20 dBm 4 MHz/Center5.825 GHzSpan40 MHz * * 3DB RBW 300 kHz VBW 1 MHz SWT 20 ms 1 PK MAXH -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 1 Marker 1 [T1 ] 11.27 dBm 5.823960000 GHz OBW 17.760000000 MHz T1 Temp 1 [T1 OBW] 2.11 dBm 5.816120000 GHz T2 Temp 2 [T1 OBW] 3.36 dBm 5.833880000 GHz Date: 3.JAN.2023 14:53:31 Reference No.: WTD22X11236852W001 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 99 of 145 802.11n-HT40-Low 802.11n-HT40-High 802.11ac-VH80 Ref 20 dBm Offset 1 dB A LVL Att 30 dB * Center5.755 GHzSpan80 MHz8 MHz/ * * 3DB RBW 1 MHz VBW 3 MHz SWT 20 ms 1 PK MAXH -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 1 Marker 1 [T1 ] 6.15 dBm 5.757080000 GHz OBW 36.480000000 MHz T1 Temp 1 [T1 OBW] -2.68 dBm 5.736760000 GHz T2 Temp 2 [T1 OBW] -2.36 dBm 5.773240000 GHz Date: 22.SEP.2022 10:12:38 Ref 20 dBm Offset 1 dB A LVL Att 30 dB * Center5.795 GHzSpan80 MHz8 MHz/ * * 3DB RBW 1 MHz VBW 3 MHz SWT 20 ms 1 PK MAXH -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 1 Marker 1 [T1 ] 5.40 dBm 5.798040000 GHz OBW 36.480000000 MHz T1 Temp 1 [T1 OBW] -2.86 dBm 5.776760000 GHz T2 Temp 2 [T1 OBW] -2.92 dBm 5.813240000 GHz Date: 22.SEP.2022 10:13:08 Ref 20 dBm Offset 1 dB A LVL Att 30 dB * Center5.775 GHzSpan160 MHz16 MHz/ * * 3DB RBW 1 MHz VBW 3 MHz SWT 20 ms 1 PK MAXH -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 1 Marker 1 [T1 ] 4.00 dBm 5.772760000 GHz OBW 74.880000000 MHz T1 Temp 1 [T1 OBW] -1.33 dBm 5.737560000 GHz T2 Temp 2 [T1 OBW] -2.08 dBm 5.812440000 GHz Date: 22.SEP.2022 10:14:13 Reference No.: WTD22X11236852W001 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 100 of 145 802.11ax-HE20-Low 802.11ax-HE20-Middle 802.11ax-HE20-High Offset 1 dB A LVL Att 30 dB * Ref 20 dBm 4 MHz/Center5.745 GHzSpan40 MHz * * 3DB RBW 300 kHz VBW 1 MHz SWT 20 ms 1 PK MAXH -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 1 Marker 1 [T1 ] 14.76 dBm 5.744440000 GHz OBW 19.200000000 MHz T1 Temp 1 [T1 OBW] 4.95 dBm 5.735400000 GHz T2 Temp 2 [T1 OBW] 4.49 dBm 5.754600000 GHz Date: 3.JAN.2023 14:54:18 Offset 1 dB A LVL Att 30 dB * Ref 20 dBm 4 MHz/Center5.785 GHzSpan40 MHz * * 3DB RBW 300 kHz VBW 1 MHz SWT 20 ms 1 PK MAXH -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 1 Marker 1 [T1 ] 14.49 dBm 5.786200000 GHz OBW 19.200000000 MHz T1 Temp 1 [T1 OBW] 3.10 dBm 5.775400000 GHz T2 Temp 2 [T1 OBW] 4.19 dBm 5.794600000 GHz Date: 3.JAN.2023 14:54:56 Offset 1 dB A LVL Att 30 dB * Ref 20 dBm 4 MHz/Center5.825 GHzSpan40 MHz * * 3DB RBW 300 kHz VBW 1 MHz SWT 20 ms 1 PK MAXH -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 1 Marker 1 [T1 ] 12.51 dBm 5.824280000 GHz OBW 19.120000000 MHz T1 Temp 1 [T1 OBW] 2.38 dBm 5.815400000 GHz T2 Temp 2 [T1 OBW] 4.61 dBm 5.834520000 GHz Date: 3.JAN.2023 14:56:11 Reference No.: WTD22X11236852W001 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 101 of 145 802.11ax-HE40-Low 802.11ax-HE40-High 802.11ac-VH80 Ref 20 dBm Offset 1 dB A LVL Att 30 dB * Center5.755 GHzSpan80 MHz8 MHz/ * * 3DB RBW 1 MHz VBW 3 MHz SWT 20 ms 1 PK MAXH -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 1 Marker 1 [T1 ] 9.26 dBm 5.756920000 GHz OBW 37.760000000 MHz T1 Temp 1 [T1 OBW] 0.15 dBm 5.736120000 GHz T2 Temp 2 [T1 OBW] 0.06 dBm 5.773880000 GHz Date: 22.SEP.2022 10:18:13 Ref 20 dBm Offset 1 dB A LVL Att 30 dB * Center5.795 GHzSpan80 MHz8 MHz/ * * 3DB RBW 1 MHz VBW 3 MHz SWT 20 ms 1 PK MAXH -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 1 Marker 1 [T1 ] 7.47 dBm 5.792280000 GHz OBW 37.920000000 MHz T1 Temp 1 [T1 OBW] 0.72 dBm 5.776120000 GHz T2 Temp 2 [T1 OBW] 0.51 dBm 5.814040000 GHz Date: 22.SEP.2022 10:18:32 Ref 20 dBm Offset 1 dB A LVL Att 30 dB * Center5.775 GHzSpan160 MHz16 MHz/ * * 3DB RBW 1 MHz VBW 3 MHz SWT 20 ms 1 PK MAXH -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 1 Marker 1 [T1 ] 5.82 dBm 5.781400000 GHz OBW 76.800000000 MHz T1 Temp 1 [T1 OBW] 0.58 dBm 5.736600000 GHz T2 Temp 2 [T1 OBW] -1.84 dBm 5.813400000 GHz Date: 22.SEP.2022 10:19:30 Reference No.: WTD22X11236852W001 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 102 of 145 ANT 1 5150-5250MHz 802.11a-Low 802.11a-Middle 802.11a-High Offset 1 dB A LVL Att 30 dB * Ref 20 dBm 4 MHz/Center5.18 GHzSpan40 MHz * * 3DB RBW 300 kHz VBW 1 MHz SWT 20 ms 1 PK MAXH -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 1 Marker 1 [T1 ] 10.45 dBm 5.178320000 GHz ndB [T1] 26.00 dB BW 20.320000000 MHz T1 Temp 1 [T1 ndB] -16.07 dBm 5.169840000 GHz T2 Temp 2 [T1 ndB] -14.21 dBm 5.190160000 GHz Date: 3.JAN.2023 14:42:59 Offset 1 dB A LVL Att 30 dB * Ref 20 dBm 4 MHz/Center5.2 GHzSpan40 MHz * * 3DB RBW 300 kHz VBW 1 MHz SWT 20 ms 1 PK MAXH -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 1 Marker 1 [T1 ] 10.20 dBm 5.199040000 GHz ndB [T1] 26.00 dB BW 20.160000000 MHz T1 Temp 1 [T1 ndB] -16.32 dBm 5.189920000 GHz T2 Temp 2 [T1 ndB] -14.63 dBm 5.210080000 GHz Date: 3.JAN.2023 14:43:21 Offset 1 dB A LVL Att 30 dB * Ref 20 dBm 4 MHz/Center5.24 GHzSpan40 MHz * * 3DB RBW 300 kHz VBW 1 MHz SWT 20 ms 1 PK MAXH -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 1 Marker 1 [T1 ] 10.72 dBm 5.239120000 GHz ndB [T1] 26.00 dB BW 20.080000000 MHz T1 Temp 1 [T1 ndB] -15.06 dBm 5.230000000 GHz T2 Temp 2 [T1 ndB] -15.43 dBm 5.250080000 GH…

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Reference No.: WTD22X11236852W Page 11 of 13 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 4 - TEST SETUP PHOTOGRAPHS Conducted Emission Test Setup Radiation Emission Test Setup (Below 30MHz) Reference No.: WTD22X11236852W Page 12 of 13 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Radiation Emission Test Setup (30MHz to 1GHz) Radiation Emission Test Setup (1GHz to 18GHz) Reference No.: WTD22X11236852W Page 13 of 13 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Radiation Emission Test Setup (Above 18GHz) ***** END OF REPORT *****