2AN2O-RSW04H158A-S

石头世纪科技有限公司 内部文档 未经允许请勿转发 H158A-S SPEC <V 5.0> H158A-S SPEC 石头世纪科技有限公司 内部文档 2 Content 1. General Description ................................................................................................................................... 3 2. Product Model Information .................................................................................................................... 3 3. WIFI Specification ....................................................................................................................................... 3 3.1 WIFI features ......................................................................................................................................... 3 3.2 WIFI RF Performance ......................................................................................................................... 4 3.3 Block Diagram ...................................................................................................................................... 5 3.4 Dimension .............................................................................................................................................. 5 3.5 PIN Assignment ................................................................................................................................... 6 3.6 Schematic ............................................................................................................................................... 7 4. Antenna Specification ............................................................................................................................... 8 4.1 Antenna lists ......................................................................................................................................... 8 4.2 Wireless LAN antenna matching circuit ...................................................................................... 8 4.3 Antenna design requirements ........................................................................................................ 8 5. FCC and IC Warning ................................................................................................................................... 9 H158A-S SPEC 石头世纪科技有限公司 内部文档 3 1. General Description H158A-S is a highly integrated and excellent performance Wireless LAN (WLAN) SDIO2.0 network interface device. Based on iCOMM chipset SV6158P. support 802.11b/g/n standard. 2. Product Model Information Model Number H158A-S FCC ID 2AN2O-RSW04 IC 23317-RSW04 3. WIFI Specification 3.1 WIFI features a) Operate at ISM frequency Band (2.4GHz); b) IEEE standards support, 802.11 b/g/n,; c) Enterprise level security supporting: WEP 64bit&128bit, WPA, WPA2, WPA2-PSK and IEEE802.11i; d) IEEE 802.11e QoS Enhancement(WMM); e) Support 1 transmission and 1 receiving, transmission rate can up to 150Mbps (Physical Rate) in downstream and upstream. When it operating in the 2.4GHz ISM band (2.400 GHz ~ 2.4835 GHz,11 Channels).it support wireless WLAN standards include 802.11b/g/n, communication has 11 channels, whose center frequencies are CH1: 2412MHz, CH2: 2417MHz, CH3: 2422MHz, CH4: 2427MHz, CH5: 2432MHz, CH6: 2437MHz, CH7: 2442MHz, CH8: 2447MHz, CH9: 2452MHz, CH10: 2457MHz, CH11:2462MHz respectively. H158A-S SPEC 石头世纪科技有限公司 内部文档 4 3.2 WIFI RF Performance Feature Description Standard IEEE 802.11 b/g/n Data Rate 802.11 b: 11, 5.5, 2, 1 Mbps 802.11 /g: 54, 48, 36, 24, 18, 12, 9, 6 Mbps 802.11 n: MCS 0 to 7 for HT20MHz：65 Mbps MCS 0 to 7 for HT40MHz：150 Mbps Modulation mode IEEE 802.11b mode: CCK, DQPSK, DBPSK IEEE 802.11g mode: 64QAM, 16QAM, QPSK, BPSK IEEE 802.11n mode : 64QAM, 16QAM, QPSK, BPSK Network Architecture Ad-hoc Mode(Peer-to-Peer) Infrastructure mode Scatter Net Frequency Range 2.400 GHz ~ 2.4835 GHz (2.4 GHz ISM Band) Transmit Output Power (Tolerance: +/- 1.5dBm) 802.11 b: 20dBm;(Peak) 802.11 g: 21dBm; (Peak) 802.11 n (2.4GHz): 21dBm(Peak)：20MHz; 21dBm(Peak)：40MHz; Antenna Type 1x1 Diversity H158A-S SPEC 石头世纪科技有限公司 内部文档 5 3.3 Block Diagram 3.4 Dimension H158A-S SPEC 石头世纪科技有限公司 内部文档 6 3.5 PIN Assignment Pin # Name Description 1 GND GND 2 ANT RF OUTPUT 3 GND GND 4 NC NC 5 GPIO12 Default low setting to SDIO mode, pull high into SPI mode 6~8 NC NC 9 VCC33 3.3V IN 10~11 NC NC 12 RST Reset, default pull high,active low 13 WL_HOST_WAKE WLAN WAKE HOST,GPIO14 14 SDIO_DATA_2 SDIO_D2, GPIO17 15 SDIO_DATA_3 SDIO_D2, GPIO18 H158A-S SPEC 石头世纪科技有限公司 内部文档 7 16 SDIO_DATA_CMD SDIO_CMD, GPIO19 17 SDIO_DATA_CLK SDIO_CLK, GPIO20 18 SDIO_DATA_D0 SDIO_D0, GPIO21 19 SDIO_DATA_D1 SDIO_D0, GPIO22 20 GND GND 21 NC NC 22 VDIO 1.8 or 3.3V 23~30 NC NC 31 GND GND 32 NC NC 33 GND GND 34~35 NC NC 36 GND GND 37 GPIO01 UART LOG TX 38 GPIO00 UART LOG RX 39~44 NC NC 3.6 Schematic H158A-S SPEC 石头世纪科技有限公司 内部文档 8 4. Antenna Specification 4.1 Antenna lists No. Type Band(s) Max Peak Gain(dBi) Host Model 1 PCB antenna 2.4GHz - 2.5GHz 3.7 S501-01, S511-01, S551-01 2 PCB antenna 2.4GHz - 2.5GHz 3.3 roborock S6 3 PCB antenna 2.4GHz - 2.5GHz 4.2 roborock S4 4 PCB antenna 2.4GHz - 2.5GHz 3.7 roborock S5 Max 5 PCB antenna 2.4GHz - 2.5GHz 3.7 S5 Max 4.2 Wireless LAN antenna matching circuit 4.3 Antenna design requirements a) RF-line need 50Ω single line impedance； H158A-S SPEC 石头世纪科技有限公司 内部文档 9 b) Antenna is 2.4G WiFi Frequency band MIFA type Board antenna c) Antenna length, width, shape(s) as follows，Company：mm； d) PCB thickness is 1.5mm，Copper-Layer 6，Antenna is Layer1； e) Antenna put on the edge of the pcb，Clearance around and below； 5. FCC and IC Warning This device complies with Part 15 of the FCC Rules / Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device H158A-S SPEC 石头世纪科技有限公司 内部文档 10 may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de …

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Page 1 of 14 HOST Picture Page 2 of 14 Photo 1. Description: overall view Photo 2. Description: overall view Photo 3. Page 3 of 14 Description: main body and dust container Photo 4. Description: bottom view Photo 5. Description: bottom view Page 4 of 14 Photo 6. Description: internal view Page 5 of 14 Photo 7. Description: internal view Photo 8. Description: internal view Page 6 of 14 Photo 9. Description: internal view Photo 10. Description: internal view Page 7 of 14 Photo 11. Description: internal view Photo 12. Description: internal view Page 8 of 14 Photo 13. Description: internal view Photo 14. Description: internal view Page 9 of 14 Photo 15. Description: internal view Photo 16. Description: internal view Page 10 of 14 Photo 17. Description: internal view Photo 18. Description: internal view Page 11 of 14 Photo 19. Description: internal view Photo 20. Description: internal view Page 12 of 14 Photo 21. Description: internal view Photo 22. Description: internal view Page 13 of 14 Photo 23. Description: internal view Photo 24. Description: internal view Page 14 of 14 Photo 25. Description: internal view Photo 26. Description: docking station

Beijing Roborock Technology Co., Ltd. 012916 – 09 Authority to Act as Agent Date: _April 26, 2021 American Certification Body, Inc. 6731 Whittier Avenue Suite C110 McLean, VA 22101 To Whom It May Concern: __ ___ Intertek Testing Service Shanghai __ ____ is au thorized to act on our beha lf, unti l otherwise notified, for applications to American Certification Bod y, Inc. (ACB). We certify that we are not subject to denial o f fede ral bene fits, that includes FCC bene fits, pursuant to Section 53 01 of the Anti-Drug Abus e Act of 1988 , 21 U.S.C. 862 . Furth er, no party, as defined in 47 CFR 1.200 2 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. Thank you, Agency Agreement Expiration Date: ____2022/4/26_____ By: ________ __________________ _____ Ruby Hu_________ (Signature 1 ) (Print name) Title: ____ Project Certification Manager_______ On be half of: _____Beijing Roborock Technology Co., Ltd.______ (Company Name) Telephone: _____+86 010 53241660________ 1 - If a group “entity” is designated as the authorized agent, the letter of authorization must identify those individuals within the group who are authorized to take action on the application; or alternatively a statement must be provided indicating that as the authorized agent, any individual within the group “entity” is authorized to act on behalf of the applicant / grantee and take action on the application. See https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=33316 . 2 - Must be signed by applicant contact given for applicant on the FCC site, or by the authorized agent if an appropriate authorized agent letter has been provided. Letters should be placed on appropriate letterhead.

Beiji ng Roborock Technology Co., Ltd. Request for Confidentiality Date: _ April 26, 2021_ Subject: Confidentiality Request for: FCC ID: 2AN2O-RSW04 , Pursu ant to FCC 47 CRF 0.457(d) and 0.459 and IC RSP-100, Section 12.4, the applicant requests that a part of the subject FCC application be held confidential. Type of Confidentiality Requested Exhibit Short Term Permanent Block Diagrams Short Term External Photos Short Term Permanent* 1 Internal Photos Short Term Permanent Operation Description/Theory of Operation Short Term Permanent Parts List & Placement/BOM Short Term Permanent Tune-Up Procedure Short Term Permanent Schematics Short Term Test Setup Photos Short Term Permanent* User’s Manual *Note: ______(Insert Explanation as Necessary)______ _____ _Beijing Roborock Technology Co., Ltd.______ has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality: The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of ___(specify number of days not to exceed 180) 2 ___ days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify ACB in the event information regarding the product or the product is made available to the public. ACB will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. NOTE for Industry Canada Applications: The applicant understands that until such time that IC distinguishes between Short Term and Permanent Confidentiality, either type of marked exhibit above will simply be marked Confidential when submitted to IC. Sincerely, By: __________________________ _____ Ruby Hu________________ (Signature/Title 3 ) (Print name) 1 - The asterisked items (*) require further justification before permanent confidentiality will be allowed. These also currently require review by the FCC under their Permit-But-Ask policy before the grant is issued and can delay completion of an application. Further justification should be added to the note above. One such example for a potted device would be: “The EUT is FULLY potted using a non-removable epoxy based material. Removal of potting material causes irreparable damage to internal circuitry. See photographs exhibits that outline the device before and after potting.” 2 - Please refer to http://acbcert.com/documents/misc-docs/Memo-Short-Term-Vs-Standard-Confidentiality.pdf for complete details. 3 - Must be signed by applicant contact given for applicant on the FCC site, or by the authorized agent if an appropriate authorized agent letter has been provided. Letters should be placed on appropriate letterhead.

Beijing Roborock Technology Co., Ltd Declaration Letter We Beijing Roborock Technology Co., Ltd. hereby declare that the product WIFI module/H158A-S is capable of operating with channel 12 and 13 in regions other than the US and Canada. Versions of the product available for import and sale in the US and Canada, or any units marked with the FCC ID or IC certification number, will not operation on channels 12 and 13. It will not be possible for users and configure these channels in the US and Canada version. Installation of this product must comply with local regulations and codes. During deployment of the system and its initial setup, professional installer must ensure that the allowed EIRP limit is not exceeded (in the Country of exploitation of this equipment). Date: May 12, 2021 ------------------------------------------ Name / Title Ruby Hu / Project Certification Manager Company: Beijing Roborock Technology Co., Ltd. Tel: +86 010 53241660 Email: [email protected]

Beijing Roborock Technology Co., Ltd. 053019-02a Request for Modular/Limited Modular Approval Date: May 24, 2021 Subject: Manufacturer’s Declaration for ☐ - Modular Approval ☐ - Split Modular Approval ☒ - Limited Modular Approval ☐ - Limited Split Modular Approval Confidentiality Request for: _____2AN2O-RSW04_____ 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(*) Details: the module doesn’t have its own RF shielding. 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(*) Details: Data to the modulation circuit is buffered as described in the operational description provided with the application. 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(*) Details: The module contains its own power supply regulation. Please refer to schematic filed with this application. 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(*) Details: EUT used a permanently attached PCB antenna to the intentional radiator on the host. A list of antennas tested and approved with this device may be found in user’s manual provided with the application. 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(*) Details: The modular transmitter has been performed the testing with the end- product, therefore has not been performed the testing as a stand-alone and then confirmed the compliance. The module and antenna will be install on the end-product shown in the test set photo. Beijing Roborock Technology Co., Ltd. 053019-02a 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(*) Details: Since there is no space which indicates FCC ID on this module, FCC ID is indicated in a manual and Packing. 7. The modular transmitter must comply with all specific rule or operating requirements applicable t…

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Page 1 of 3 External Picture Page 2 of 3 Page 3 of 3

Label & Location **Since there is no space which indicates FCC I D and IC ID on this module, FCC ID and IC ID is indicated in a manual and Packing.** Module Name:H158A-S FCC ID: 2AN2O-RSW04 IC: 23317-RSW04

Host Label: Label Location:

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Beijing Roborock Technology Co., Ltd. MPE ASSESSMENT REPORT Report Type: FCC MPE assessment report Model: H158A-S REPORT NUMBER: 210403421SHA-002 ISSUE DATE: May 12, 2021 DOCUMENT CONTROL NUMBER: TTRFFCCMPE-01_V1 © 2018 Intertek Intertek Testing Services Shanghai Building No.86, 1198 Qinzhou Road (North) Caohejing Development Zone Shanghai 200233, China Telephone: 86 21 6127 8200 www.intertek.com TEST REPORT This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. TTRFFCCMPE-01_V1© 2018 Intertek Page 2 of 8 Report no.: 210403421SHA-002 Applicant: Beijing Roborock Technology Co., Ltd. Floor 6, Suite 6016, 6017, 6018, Building C, Kangjian Baosheng Plaza, No.8 Heiquan Road, Haidian District, Beijing, P.R. China Manufacturer: Beijing Roborock Technology Co., Ltd. Floor 6, Suite 6016, 6017, 6018, Building C, Kangjian Baosheng Plaza, No.8 Heiquan Road, Haidian District, Beijing, P.R. China Manufacturer site: Beijing Roborock Technology Co., Ltd. Floor 6, Suite 6016, 6017, 6018, Building C, Kangjian Baosheng Plaza, No.8 Heiquan Road, Haidian District, Beijing, P.R. China FCC ID: 2AN2O-RSW04 SUMMARY: The equipment complies with the requirements according to the following standard(s) or Specification: KDB447498 D01 General RF Exposure Guidance v06 FCC Part2.1091, FCC Part2.1093 FCC Part1.1307(b) PREPARED BY: REVIEWED BY: Project Engineer Wade Zhang Reviewer Daniel Zhao Report No.: 210403421SHA-002 TEST REPORT TTRFFCCMPE-01_V1© 2018 Intertek Page 3 of 8 Revision History Report No. Version Description Issued Date 210403421SHA-002 Rev. 01 Initial issue of report May 12, 2021 Report No.: 210403421SHA-002 TEST REPORT TTRFFCCMPE-01_V1© 2018 Intertek Page 4 of 8 1 GENERAL INFORMATION 1.1 Description of Equipment Under Test (EUT) Product name: WIFI Module Type/Model: H158A-S Description of EUT: The EUT is a WIFI module which supports 2.4GHz technology, there have only one model. Rating: DC 3.3V EUT type: Table top Floor standing Software Version: / Hardware Version: / Sample received date: April 27, 2021 Date of test: April 27, 2021 ~ May 10, 2021 1.2 Technical Specification Frequency Band: 2400MHz ~ 2483.5MHz Support Standards: IEEE 802.11b, IEEE 802.11g, IEEE 802.11n(HT20), IEEE 802.11n(HT40) Operating Frequency: 2412MHz to 2462MHz for IEEE 802.11b/g/n(HT20) 2422MHz to 2452MHz for IEEE 802.11n(HT40) Type of Modulation: IEEE 802.11b: DSSS (CCK, DQPSK, DBPSK) IEEE 802.11g: OFDM (64-QAM, 16-QAM, QPSK, BPSK) IEEE 802.11n(HT20): OFDM (64-QAM, 16-QAM, QPSK, BPSK) IEEE 802.11n(HT40): OFDM (64-QAM, 16-QAM, QPSK, BPSK) Channel Number: 11 Channels for 802.11b, 802.11g and 802.11n(HT20) 7 Channels for 802.11n(HT40) Channel Separation: 5 MHz Antenna Information: 3.7dBi, PCB antenna Report No.: 210403421SHA-002 TEST REPORT TTRFFCCMPE-01_V1© 2018 Intertek Page 5 of 8 1.3 Description of Test Facility Name: Intertek Testing Services Shanghai Address: Building 86, No. 1198 Qinzhou Road(North), Shanghai 200233, P.R. China Telephone: 86 21 61278200 Telefax: 86 21 54262353 The test facility is recognized, certified, or accredited by these organizations: CNAS Accreditation Lab Registration No. CNAS L0139 FCC Accredited Lab Designation Number: CN1175 IC Registration Lab CAB identifier.: CN0051 VCCI Registration Lab Registration No.: R-14243, G-10845, C-14723, T-12252 A2LA Accreditation Lab Certificate Number: 3309.02 Report No.: 210403421SHA-002 TEST REPORT TTRFFCCMPE-01_V1© 2018 Intertek Page 6 of 8 2 MPE Assessment Test result: Pass 2.1 MPE Assessment Limit Mobile device exposure for standalone operations: Frequency range E-field strength (V/m) H-field strength (A/m) B-field (uT) Equivalent plane wave power density S eq (W/m 2 ) 0-1 Hz - 3,2 × 10 4 4 × 10 4 - 1-8 Hz 10 000 3,2 × 10 4 /f 2 4 × 10 4 /f 2 - 8-25 Hz 10 000 4 000/f 5 000/f - 0,025-0,8 kHz 250/f 4/f 5/f - 0,8-3 kHz 250/f 5 6,25 - 3-150 kHz 87 5 6,25 - 0,15-1 MHz 87 0,73/f 0,92/f - 1-10 MHz 87/f 1/2 0,73/f 0,92/f - 10-400 MHz 28 0,073 0,092 2 400-2 000 MHz 1,375 f 1/2 0,0037 f 1/2 0,0046 f 1/2 f/200 2-300 GHz 61 0,16 0,20 10 Mobile device exposure for simultaneous transmission operations: the sum of the MPE ratios for all simultaneously transmitting antennas incorporated in a host device is ≤ 1.0 Report No.: 210403421SHA-002 TEST REPORT TTRFFCCMPE-01_V1© 2018 Intertek Page 7 of 8 2.2 Assessment Results Power density (S) is calculated according to the formula: S = PG / (4πR²) Where S = power density in mW/cm² P = Radiated transmit power in mW G = numeric gain of transmit antenna R = distance (cm) As we can see from the test report 210403421SHA-001: The maximum radiated power = 21.45dBm = 139.64 mW; Here R is chosen to be 20cm, Frequency range Power Antenna Gain R S Limits (MHz) dBm mW dBi (Numeric) (cm) (mW/cm 2 ) (mW/cm 2 ) 2412 - 2462 21.45 139.64 3.7 2.34 20 0.065 1 Report No.: 210403421SHA-002 TEST REPORT TTRFFCCMPE-01_V1© 2018 Intertek Page 8 of 8 Appendix I Definition below must be outlined in the User Manual: To satisfy FCC RF exposure requirements, a separation distance of 20 cm or more should be maintained between the antenna of this device and persons during device operation. To ensure compliance, operations at closer…

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Beijing Roborock Technology Co., Ltd. RF TEST REPORT Report Type: FCC Part 15.247 & ISED RSS-247 RF report Model: H158A-S REPORT NUMBER: 210403421SHA-001 ISSUE DATE: May 12, 2021 DOCUMENT CONTROL NUMBER: TTRF15.247-03_V1 © 2018 Intertek Intertek Testing Services Shanghai Building No.86, 1198 Qinzhou Road (North) Caohejing Development Zone Shanghai 200233, China Telephone: 86 21 6127 8200 www.intertek.com TEST REPORT This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. TTRF15.247-03_V1 © 2017 Intertek Page 2 of 33 Report no.: 210403421SHA-001 APPLICANT: Beijing Roborock Technology Co., Ltd. Floor 6, Suite 6016, 6017, 6018, Building C, Kangjian Baosheng Plaza, No.8 Heiquan Road, Haidian District, Beijing, P.R. China MANUFACTURER: Beijing Roborock Technology Co., Ltd. Floor 6, Suite 6016, 6017, 6018, Building C, Kangjian Baosheng Plaza, No.8 Heiquan Road, Haidian District, Beijing, P.R. China PRODUCT NAME: WIFI Module TYPE/MODEL: H158A-S FCC ID: 2AN2O-RSW04 IC: 23317-RSW04 SUMMARY: The equipment complies with the requirements according to the following standard(s) or Specification: 47CFR Part 15 (2019): Radio Frequency Devices (Subpart C) ANSI C63.10 (2013): American National Standard of Procedures for Compliance Testing of Unlicensed Wireless Devices RSS-247 Issue 2 (February 2017): Digital Transmission Systems (DTSs), Frequency Hopping Systems (FHSs) and Licence-Exempt Local Area Network (LE-LAN) Devices RSS-Gen Issue 5 (March 2019) Amendment1: General Requirements for Compliance of Radio Apparatus PREPARED BY: REVIEWED BY: Project Engineer Wade Zhang Reviewer Daniel Zhao Report No.: 210403421SHA-001 TEST REPORT TTRF15.247-03_V1 © 2018 Intertek Page 3 of 33 Content REVISION HISTORY................................................................................................................................................ 5 MEASUREMENT RESULT SUMMARY ..................................................................................................................... 6 1 GENERAL INFORMATION ............................................................................................................................. 7 1.1 DESCRIPTION OF EQUIPMENT UNDER TEST (EUT) ..................................................................................................... 7 1.2 TECHNICAL SPECIFICATION .................................................................................................................................... 7 1.3 DESCRIPTION OF TEST FACILITY .............................................................................................................................. 8 2 TEST SPECIFICATIONS ................................................................................................................................... 9 2.1 STANDARDS OR SPECIFICATION ............................................................................................................................... 9 2.2 MODE OF OPERATION DURING THE TEST ................................................................................................................... 9 2.3 TEST SOFTWARE LIST .......................................................................................................................................... 10 2.4 TEST PERIPHERALS LIST ......................................................................................................................................…

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