OYR-CF-811ACWireless network card

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Shenzhen Four Seas Global Link Network Technology Co., Ltd 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – EquipmentType Company name: Shenzhen Four Seas Global Link Network Technology Co., Ltd Address: Room 607-610, Block B, TAOJINDI Electronic Business Incubation Base, Tenglong Road, Longhua District, Shenzhen, China Product Name: Wireless network card FCCID: OYR-CF-811AC Model(s): CF-811AC, CF-822AC, CF-921AC, CF-922AC, CF-WU782AC V2, CF-723B V2, CF-927BF, CF-933AC, CF-934AC 2.911(d)(5)(i) EquipmentType We, [Shenzhen Four Seas Global Link Network Technology Co., Ltd] (“the applicant”) certify that the equipment for which authorization is sought through certification is not:  Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules.  Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Raymond Wang Date: Mar. 24, 2023 Title: General Manager Company name: Shenzhen Four Seas Global Link Network Technology Co., Ltd Signature: NOTE 1 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Shenzhen Four Seas Global Link Network Technology Co., Ltd 2.911 (d)(5)(ii) Applicant Attestation v1.3 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: Shenzhen Four Seas Global Link Network Technology Co., Ltd Address: Room 607-610, Block B, TAOJINDI Electronic Business Incubation Base, Tenglong Road, Longhua District, Shenzhen, China Product Name: Wireless network card FCCID: OYR-CF-811AC Model(s): CF-811AC, CF-822AC, CF-921AC, CF-922AC, CF-WU782AC V2, CF-723B V2, CF-927BF, CF-933AC, CF-934AC 2.911(d)(5)(ii) Applicant filing We, [Shenzhen Four Seas Global Link Network Technology Co., Ltd] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 , established pursuant to §1.50002 of this chapter, as an entity producing covered communications equipment. Yours sincerely, Name: Raymond Wang Date: Mar. 24, 2023 Title: General Manager Company name: Shenzhen Four Seas Global Link Network Technology Co., Ltd Signature: NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Shenzhen Four Seas Global Link Network Technology Co., Ltd 2.911 (d)(7)USA Agentv1.3 Section 2.911(d)(7) USA Agent for Service of Process Company name: Shenzhen Four Seas Global Link Network Technology Co., Ltd Address: Room 607-610, Block B, TAOJINDI Electronic Business Incubation Base, Tenglong Road, Longhua District, Shenzhen, China Product Name: Wireless network card FCCID: OYR-CF-811AC Model(s): CF-811AC, CF-822AC, CF-921AC, CF-922AC, CF-WU782AC V2, CF-723B V2, CF-927BF, CF-933AC, CF-934AC 2.911(d)(7) USA Designated Agent for Service of Process We, [Shenzhen Four Seas Global Link Network Technology Co., Ltd] (“the applicant”) designate [NEXXT SOLUTIONS] NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent: We Acknowledge our consent to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address of the designated agent and acknowledge our acceptance of our obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Agent obligation: We Acknowledge our obligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email addressfor no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. USA Agent Company name: NEXXT SOLUTIONS Address: 3505 N.W 107TH AVE. MIAMI FLORIDA 33178 United States FCC Registration Number (FRN): 0019499201 Contact Name: Mizrachi Mr. Naftali Telephone No: (786) 280-7600 Email: [email protected] Applicant Company name: Shenzhen Four Seas Global Link Network Technology Co., Ltd Address: Room 607-610, Block B, TAOJINDI Electronic Business Incubation Base, Tenglong Road, Longhua District, Shenzhen, China FCC Grantee Code: OYR Contact Name: Raymond Wang Telephone No: 86-0755-86-83790059 Email: [email protected] Shenzhen Four Seas Global Link Network Technology Co., Ltd 2.911 (d)(7)USA Agentv1.3 Signature: Title: Vice president of product development Signature: Title: General Manager Date: Mar. 24, 2023 Date: Mar. 24, 2023 NOTE 1: An applicant located in the United States may designate itself as the agent for service of process. Reference;Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

FCC Software Configuration Control Declaration Rev1.1 Shenzhen Four Seas Global Link Network Technology Co., Ltd FCC Software Configuration Control Declaration Date: March 24, 2023 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Attn: OET Dept. Product Name: Wireless network card Model Number: CF-811AC, CF-822AC, CF-921AC, CF-922AC, CF-WU782AC V2, CF- 723B V2, CF-927BF, CF-933AC, CF-934AC Regarding FCC Country Code Selection guidelines identified in KDB 594280. “All applications for equipment authorization for transmitters that can have radio parameters, or other technical parameters, reported to the Commission set by software must have an attestation indicating that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified.” We declare that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified. Name: Raymond Wang Date: Mar. 24, 2023 Title: General Manager Signatureof applicant

Shenzhen Four Seas Global Link Network Technology Co., Ltd Agent Authorization Company: Shenzhen Four Seas Global Link Network Technology Co., Ltd Address: Room 607-610, Block B, TAOJINDI Electronic Business Incubation Base, Tenglong Road, Longhua District, Shenzhen, China Product Name: Wireless network card Model Number(s): CF-811AC, CF-822AC, CF-921AC, CF-922AC, CF-WU782AC V2, CF- 723B V2, CF-927BF, CF-933AC, CF-934AC Product Description: Wireless network card We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: Mar. 24, 2023 Name: Raymond Wang Title: General Manager Company: Shenzhen Four Seas Global Link Network Technology Co., Ltd

Shenzhen Four Seas Global Link Network Technology Co., Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Mar. 24, 2023 Subject; Request for Confidentiality FCC ID: OYR-CF-811AC 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. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure Software Security Description 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 pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Raymond Wang Title: General Manager

Shenzhen Four Seas Global Link Network Technology Co., Ltd Model Difference Declaration To Whom It May Concern, We, Shenzhen Four Seas Global Link Network Technology Co., Ltd (Wireless network card); Trade Mark: COMFAST; Model Number: CF-811AC, CF-822AC, CF-921AC, CF-922AC, CF-WU782AC V2, CF-723B V2, CF-927BF, CF-933AC, CF-934AC; All model’s the function, software and electric circuit are the same, only with product model named different. Test sample model: CF-811AC. Please contact me if you have any question. Signature: Date: Mar. 24, 2023 Name: Raymond Wang Title: General Manager

Annex A External Photos Report No.:HK2303020598-1E/2E/3E Page 1 of 3 Report No.:HK2303020598-1E/2E/3E Page 2 of 3 Report No.:HK2303020598-1E/2E/3E Page 3 of 3

FCC ID LABEL: Ca. 5mm x 10mm label location FCC ID: OYR-CF-811AC

Annex B Internal Photos Report No.:HK2303020598-1E/2E/3E Page 1 of 2 Antenna Report No.:HK2303020598-1E/2E/3E Page 2 of 2

FCC RF Exposure EUT Description: Wireless network card Model No.: CF‐811AC FCC ID: OYR‐CF‐811AC 1. Limits According to KDB 447498 D01 General RF Exposure Guidance v06 The 1‐g and 10‐g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤50 mm are determined by: [(max power of channel, including tune‐up tolerance, mW)/(min. test separation distance, mm)] ·[√ f(GHz)]≤3.0 for 1‐g SAR and ≤ 7.5 for 10‐g extremity SAR, Where: Result=P/D*√F F= the RF channel transmit frequency in GHz P=Maximum turn‐up power in mw D=Min. test separation distance in mm 2. Test Result of RF Exposure Evaluation Frequency (MHz) Output power (dBm) Tune Up Power (dBm) Max Tune Up power dBm/mW Min test separati on distance mm Result Limit (mW/cm 2 ) SAR Test Exclusion 2.4G WIFI 2462 8.66 8±1 9/7.943 5 2.493 3.0 Pass 5.2G WIFI 5180 7.30 7±1 8/6.310 5 2.872 3.0 Pass 5.8G WIFI 5745 7.39 6.5±1 7.5/5.6235 2.696 3.0 Pass Note: PK Output power= conducted power. Conducted power see the test report HK2303020598‐1E/2E/3E, antenna gain=2dBi Per KDB 447498 D01, when the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine RF Exposure test exclusion. The test exclusion threshold is 2.872 which is<= 3, RF Exposure testing is not required. Note: Exclusion Thresholds Results=[(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f (GHz)] f(GHz) is the RF channel transmit frequency in GHz Distance=5mm Note: the device could not transmit simultaneously in 2.4G and 5G.

Page 1 of 63 Report No.: HK2303020598-2E FCC Test Report Test Report On Behalf of Shenzhen Four Seas Global Link Network Technology Co., Ltd For Wireless network card Model No.: CF-811AC, CF-822AC, CF-921AC, CF-922AC, CF-WU782AC V2, CF-723B V2, CF-927BF, CF-933AC, CF-934AC FCC ID: OYR-CF-811AC Prepared For: Shenzhen Four Seas Global Link Network Technology Co., Ltd Room 607-610, Block B, TAOJINDI Electronic Business Incubation Base, Tenglong Road, Longhua District, Shenzhen, China Prepared By: Shenzhen HUAK Testing Technology Co., Ltd. 1-2/F., Building B2, Junfeng Zhongcheng Zhizao Innovation Park, Heping, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Date of Test: Feb. 28, 2023 ~ Mar. 07, 2023 Date of Report: Mar. 07, 2023 Report Number: HK2303020598-2E Page 2 of 63 Report No.: HK2303020598-2E Test Result Certification Applicant’s Name .................. : Shenzhen Four Seas Global Link Network Technology Co., Ltd Address .................................. : Room 607-610, Block B, TAOJINDI Electronic Business Incubation Base, Tenglong Road, Longhua District, Shenzhen, China Manufacture's Name ............. : Shenzhen Four Seas Global Link Network Technology Co., Ltd Address .................................. : Room 607-610, Block B, TAOJINDI Electronic Business Incubation Base, Tenglong Road, Longhua District, Shenzhen, China Product Description Trade Mark ................................ : COMFAST Product Name ........................... : Wireless network card Model and/or Type Reference : CF-811AC, CF-822AC, CF-921AC, CF-922AC, CF-WU782AC V2, CF-723B V2, CF-927BF, CF-933AC, CF-934AC Standards .............................. : FCC Rules and Regulations Part 15 Subpart E Section 15.407 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................................ : Date (s) of performance of tests ............. : Feb. 28, 2023 ~ Mar. 07, 2023 Date of Issue ........................................... : Mar. 07, 2023 Test Result ............................................... : Pass Prepared by: Project Engineer Reviewed by: Project Supervisor Approved by: Technical Director Page 3 of 63 Report No.: HK2303020598-2E Table of Contents 1. Test Result Summary ............................................................................... 5 1.1. Test Procedures and Results ........................................................................................................... 5 1.2. Information of the Test Laboratory ................................................................................................. 5 1.3. Measurement Uncertainty ................................................................................................................ 6 2. EUT Description ........................................................................................ 7 2.1. General Description of EUT ............................................................................................................. 7 2.2. Operation Frequency Each of Channel ........................................................................................... 8 2.3. Operation of EUT during Testing ..................................................................................................... 8 2.4. Description of Test Setup ................................................................................................................. 9 3. General Information ................................................................................ 10 3.1. Test Environment and Mode .......................................................................................................... 10 3.2. Description of Support Units ......................................................................................................... 11 4. Test Results and Measurement Data .................................................... 12 4.1. Conducted Emission ....................................................................................................................... 12 4.2. Maximum Conducted Output Power ............................................................................................. 16 4.3. 6dB Emission Bandwidth ............................................................................................................... 19 4.4. 26dB Bandwidth and 99% Occupied Bandwidth ......................................................................... 20 4.5. Power Spectral Density .................................................................................................................. 27 4.6. Band Edge ........................................................................................................................................ 34 4.7. Spurious Emission .......................................................................................................................... 49 4.8. Frequency Stability Measurement ................................................................................................. 57 4.9. Antenna Requirement ..................................................................................................................... 60 5. Photographs of Test Setup .................................................................... 61 6. Photos of the EUT ................................................................................... 63 Page 4 of 63 Report No.: HK2303020598-2E ** Modified History ** Revision Description Issued Data Remark Revision 1.0 Initial Test Report Release Mar. 07, 2023 Jason Zhou Page 5 of 63 Report No.: HK2303020598-2E 1. Tes…

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Page 1 of 61 Report No.: HK2303020598-3E FCC Test Report Test Report On Behalf of Shenzhen Four Seas Global Link Network Technology Co., Ltd For Wireless network card Model No.: CF-811AC, CF-822AC, CF-921AC, CF-922AC, CF-WU782AC V2, CF-723B V2, CF-927BF, CF-933AC, CF-934AC FCC ID: OYR-CF-811AC Prepared For: Shenzhen Four Seas Global Link Network Technology Co., Ltd Room 607-610, Block B, TAOJINDI Electronic Business Incubation Base, Tenglong Road, Longhua District, Shenzhen, China Prepared By: Shenzhen HUAK Testing Technology Co., Ltd. 1-2/F., Building B2, Junfeng Zhongcheng Zhizao Innovation Park, Heping, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Date of Test: Feb. 28, 2023 ~ Mar. 07, 2023 Date of Report: Mar. 07, 2023 Report Number: HK2303020598-3E Page 2 of 61 Report No.: HK2303020598-3E Test Result Certification Applicant’s Name .................. : Shenzhen Four Seas Global Link Network Technology Co., Ltd Address .................................. : Room 607-610, Block B, TAOJINDI Electronic Business Incubation Base, Tenglong Road, Longhua District, Shenzhen, China Manufacture's Name ............. : Shenzhen Four Seas Global Link Network Technology Co., Ltd Address .................................. : Room 607-610, Block B, TAOJINDI Electronic Business Incubation Base, Tenglong Road, Longhua District, Shenzhen, China Product Description Trade Mark ................................ : COMFAST Product Name ........................... : Wireless network card Model and/or Type Reference: CF-811AC, CF-822AC, CF-921AC, CF-922AC, CF-WU782AC V2, CF-723B V2, CF-927BF, CF-933AC, CF-934AC Standards .............................. : FCC Rules and Regulations Part 15 Subpart E Section 15.407 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................................ : Date (s) of Performance of Tests ............ : Feb. 28, 2023 ~ Mar. 07, 2023 Date of Issue ........................................... : Mar. 07, 2023 Test Result ............................................... : Pass Testing Engineer : (Gary Qian) Technical Manager : (Eden Hu) Authorized Signatory : (Jason Zhou) Page 3 of 61 Report No.: HK2303020598-3E Table of Contents 1. Test Result Summary ............................................................................... 5 1.1. Test Procedures and Results ........................................................................................................... 5 1.2. Information of the Test Laboratory ................................................................................................. 5 1.3. Measurement Uncertainty ................................................................................................................ 6 2. EUT Description ........................................................................................ 7 2.1. General Description of EUT ............................................................................................................. 7 2.2. Operation Frequency Each of Channel ........................................................................................... 8 2.3. Operation of EUT during Testing ..................................................................................................... 8 2.4. Description of Test Setup ................................................................................................................. 9 3. General Information ................................................................................ 10 3.1. Test Environment and Mode .......................................................................................................... 10 3.2. Description of Support Units ......................................................................................................... 11 4. Test Results and Measurement Data .................................................... 12 4.1. Conducted Emission ....................................................................................................................... 12 4.2. Maximum Conducted Output Power ............................................................................................. 16 4.3. 6dB Emission Bandwidth ............................................................................................................... 18 4.4. 26dB Bandwidth and 99% Occupied Bandwidth ......................................................................... 25 4.5. Power Spectral Density .................................................................................................................. 26 4.6. Band Edge ........................................................................................................................................ 33 4.7. Spurious Emission .......................................................................................................................... 48 4.8. Frequency Stability Measurement ................................................................................................. 56 4.9. Antenna Requirement ..................................................................................................................... 58 5. Photographs of Test Setup .................................................................... 59 6. Photos of the EUT ...........................................…

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