2BFAK-FD210SFD7255S

FD7255S WIFI Module Datasheet V1.0 Shanghai Neardi Technology Co., Ltd. www.neardi.com FD7255S Neardi Technology 1/ 34 www.neardi.com Shanghai Neardi Technology Co., Ltd. (referred to as "Neardi Technology") always adheres to the customer-first service tenet and provides customers with fast and efficient support services. If you have any needs, please feel free to contact our company, the contact information is as follows: Shanghai Neardi Technology Co., Ltd. www.neardi.com Tel: +86 21 20952021 Email: [email protected] Introduction Neardi Technology provides this document for customers to use as a reference for product design and terminal applications. It is recommended that customers confirm the specifications and parameters provided in the document in detail, and confirm whether it can meet the design or application of the required products. At the same time, it is strongly recommended that customers do detailed tests in actual application scenarios based on the samples provided by our company to ensure that they meet the end use requirements. Neardi Technology is not responsible for any damages suffered due to the use of documents, materials and product functions. The relevant parameters or design charts in this document are only examples, and customers should base their own independent analysis, evaluation and judgment when designing or using terminal products. Before customers use any design or service guided by this document, please read this statement carefully, understand and agree that although Neardi Technology has taken reasonable commercial efforts to provide the best possible experience, this document and its contents are PROVIDED TO YOU ON AN "AS AVAILABLE" BASIS. The information in this document is subject to change without notice. Agreement Unless specifically authorized by Neardi Technology, the recipient of the product documentation, hardware reference drawings, software descriptions and other materials provided by our company must keep the received content confidential and shall not use it for any other purpose other than the implementation and development of this project. Copyright Statement Documents and information provided by our company may not be obtained, used or disclosed to third parties, or such copyrighted materials may be copied, reproduced, plagiarized, published, displayed, translated, distributed or merged, modified or created derivative works unless obtain prior written consent. Neardi Technology has exclusive rights to copyrighted materials and does not grant or convey a license to any patent, copyright, trademark or service mark rights, and no purchase of any kind shall be deemed to be the grant of a license. Neardi Technology has the right to pursue legal responsibility for any illegal infringements that violate confidentiality, use without authorization or maliciously use the documents and information in other illegal forms. © 2023 Shanghai Neardi Tec hnology Co., Ltd. All Rights Reserved. Version History FD7255S Neardi Technology 2/ 34 www.neardi.com Version Date Illustrate V1.0 2024/01/12 Initial Version FD7255S Neardi Technology 3/ 34 www.neardi.com Contents Contents ...................................................................................................................... 3 1 Product Overview ................................................................................................. 5 1.1 Product Introduction ...................................................................................... 5 1.2 Wi-Fi Characteristics ..................................................................................... 6 1.3 Bluetooth Characteristics .............................................................................. 6 1.4 Block Diagram ............................................................................................... 7 1.5 Parameters .................................................................................................... 7 2 Pin Definition ........................................................................................................ 8 2.1 Pin Number ................................................................................................... 8 2.2 Pin Description .............................................................................................. 8 3 Mechanical Specifications .................................................................................. 10 3.1 Mechanical Dimensions .............................................................................. 10 3.2 Recommended PCB Layout Footprint ......................................................... 10 4 Electrical Performance and Reliability ................................................................ 11 4.1 Absolute Maximum Voltage Range .............................................................. 11 4.2 Recommended Operation Conditions .......................................................... 11 4.3 Power On/Off Sequence .............................................................................. 11 4.4 Reliability ..................................................................................................... 12 5 Interface Timing Parameters .............................................................................. 13 5.1 SDIO Interface Timing ................................................................................. 13 5.1.1 Default Speed Mode ................................................................................ 13 5.1.2 High-Speed Mode ................................................................................... 14 5.2 PCM Interface Timing .................................................................................. 16 6 RF Characteristics ............................................................................................. 17 6.1 2.4GHZ Wi-Fi Radio Frequency (RF) Characteristics ................................. 17 6.2 5GHZ Wi-Fi RF Characteristics ...........…

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Covered Equipment Attestation Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2BFAK-FD210S FD210S We, applicant Company Name: Shanghai Neardi Technology Co., LTD. Address: Room A201-60, Building 16, No.99, Huanhu West 1st Road, Lingang New Area, Shanghai, China Phone: +86-15921343771 certify 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. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2024-03-22 Name / Title: Cola Cao / Manager Company: Shanghai Neardi Technology Co., LTD. Address: Room A201-60, Building 16, No.99, Huanhu West 1st Road, Lingang New Area, Shanghai, China Phone: +86-15921343771 Fax: N/A E-Mail: [email protected]

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2BFAK-FD210S FD210S We, applicant Company Name: Shanghai Neardi Technology Co., LTD. Address: Room A201-60, Building 16, No.99, Huanhu West 1st Road, Lingang New Area, Shanghai, China Phone: +86-15921343771 certify 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. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2024-03-22 Name / Title: Cola Cao / Manager Company: Shanghai Neardi Technology Co., LTD. Address: Room A201-60, Building 16, No.99, Huanhu West 1st Road, Lingang New Area, Shanghai, China Phone: +86-15921343771 Fax: N/A E-Mail: [email protected]

Modular Approval Request Letter Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 Innovation, Science and Economic Development Canada Spectrum Engineering Branch 3701 Carling Avenue, Building 94 Ottawa, Ontario K2H 8S2 Modular Approval Request We, < Shanghai Neardi Technology Co., LTD.>, declare on our sole responsibility and in accordance with Annex-D RSP-100 Issue 12 and CFR 47 Part 15.212 the following for our module identified as follows: Product Information PMN: -/- FVIN: -/- HMN: -/- ISED Certification Number: -/- HVIN: -/- Model Name: FD210S FCC ID: 2BFAK-FD210S Declaration Modular approval requirement Yes No * (a) The radio elements must have the radio frequency circuitry shielded. Physical/discrete and tuning capacitors may be located external to the shield, but must be on the module assembly. Yes *Please provide a detailed explanation if the answer is “No.”: (b) The module shall have buffered modulation/data input(s) (if such inputs are provided) to ensure that the module will comply with the requirements set out in the applicable RSS / part 15 under conditions of excessive data rates or over-modulation. Yes *Please provide a detailed explanation if the answer is “No.”: (c) The module shall have its own power supply regulation on the module. This is to ensure that the module will comply with the requirements set out in the applicable standard regardless of the design of the power supplying circuitry in the host device which houses the module. Yes *Please provide a detailed explanation if the answer is “No.”: (d) The module shall comply with the provisions for external power amplifiers and antennas detailed in this standard. The equipment certification submission shall contain a detailed description of the configuration of highest antenna gain for each type of antenna. Yes *Please provide a detailed explanation if the answer is “No.”: (e) The module shall be tested for compliance with the applicable standard in a stand- alone configuration, i.e. the module must not be inside another device during testing. Yes *Please provide a detailed explanation if the answer is “No.”: (f) The module shall comply with applicable RSS-102 exposure requirements and any applicable FCC RF exposure requirement which are based on the intended configuration/integration in a host. Yes *Please provide a detailed explanation if the answer is “No.”: Only applicable for FCC certification: (g) The module must be equipped with either a permanently affixed label or must be capable of electronically displaying its FCC identification number. Yes *Please provide a detailed explanation if the answer is “No.”: (h) The modular transmitter complies with all applicable FCC rules. Instructions for maintaining compliance are given in the user instructions. Yes Please do not hesitate to contact us for further explanations or comments. Sincerely, Signature Date:2024-03-22 Name / Title: Cola Cao / Manager Company: Shanghai Neardi Technology Co., LTD. Address: Room A201-60, Building 16, No.99, Huanhu West 1st Road, Lingang New Area, Shanghai, China Phone: +86-15921343771 Fax: N/A E-Mail: [email protected]

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2BFAK-FD210S FD210S For the products listed above, we request permanent confidentiality for all applicable exhibits as there are:  the Operational Description  the Block Diagram  the Schematics The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2024-03-22 Name / Title: Cola Cao hua / Manager Company: Shanghai Neardi Technology Co., LTD. Address: Room A201-60, Building 16, No.99, Huanhu West 1st Road, Lingang New Area, Shanghai, China Phone: 15921343771 Fax:/ E-Mail: [email protected]

FCC ID: 2BFAK-FD210S Fig. 1 Fig. 2 EUT Antenna Test Board FCC ID: 2BFAK-FD210S Fig. 3

_____________________________________________________________________________________________________ LABEL AND LOCATION (Size: L1.0cm x 0.5cm) Label Location FD7255S FCC ID: 2BFAK-FD210S

FCC ID: 2BFAK-FD210S Fig. 1 Fig. 2 FCC ID: 2BFAK-FD210S Fig. 3 Fig. 4

Shenzhen Global Test Service Co.,Ltd. No.7-101 and 8A-104, Building 7 and 8, DCC Cultural and Creative Garden, No.98, Pingxin North Road, Shangmugu Community, Pinghu Street, Longgang District, Shenzhen, Guangdong RF Exposure evaluation Report Reference No. ................. : FCC ID. ......................................... : GTS20231208004-1-67 2BFAK-FD210S Compiled by ( position+printed name+signature): File administrators Peter Xiao Supervised by ( position+printed name+signature): Test Engineer Evan Ouyang Approved by ( position+printed name+signature) . : Manager Jason Hu Date of issue .................................... : Mar. 05, 2024 Representative Laboratory Name ....................................................... : Shenzhen Global Test Service Co.,Ltd. Address ......................................... : No.7-101 and 8A-104, Building 7 and 8, DCC Cultural and Creative Garden, No.98, Pingxin North Road, Shangmugu Community, Pinghu Street, Longgang District, Shenzhen, Guangdong Applicant’s name ............................ : Shanghai Neardi Technology Co., LTD. Address ............................................ : Room A201-60, Building 16, No.99, Huanhu West 1st Road, Lingang New Area, Shanghai, China Test specification ........................ : Standard ........................................ : 47CFR §1.1310 Basis and purpose 47CFR §2.1091 Radiofrequency radiation exposure evaluation: mobile devices TRF Originator .............................. : Shenzhen Global Test Service Co.,Ltd. Master TRF ................................... : Dated 2014-12 Shenzhen Global Test Service Co.,Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Global Test Service Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Global Test Service 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. Test item description .................. : FD7255S Trade Mark .................................... : neardi Manufacturer ................................. : Shanghai Neardi Technology Co., LTD. Model/Type reference ................... : FD210S Listed Models .............................. : N/A Hardware Version ........................ : V03 Software Version ........................... : N/A Rating ............................................ : DC 3.3V Result ............................................ : PASS Report No.: GTS20231208004-1-67 Page 2 of 20 T E S T R E P O R T Test Report No. : GTS20231208004-1-67 Mar. 05, 2024 ______________________________________________________________________________________________ Date of issue Equipment under Test : FD7255S Model /Type : FD210S Listed model : N/A Applicant : Shanghai Neardi Technology Co., LTD. Address : Room A201-60, Building 16, No.99, Huanhu West 1st Road, Lingang New Area, Shanghai, China Manufacturer : Shanghai Neardi Technology Co., LTD. Address : Room A201-60, Building 16, No.99, Huanhu West 1st Road, Lingang New Area, Shanghai, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: GTS20231208004-1-67 Page 3 of 20 Contents 1. SUMMARY .................................................................................................................................................... 4 1.1 EUT CONFIGURATION .................................................................................................................................... 4 1.2 PRODUCT DESCRIPTION ................................................................................................................................ 4 2. TEST ENVIRONMENT .................................................................................................................................. 6 2.1 ADDRESS OF THE TEST LABORATORY .............................................................................................................. 6 2.2 TEST FACILITY ............................................................................................................................................... 6 2.3 ENVIRONMENTAL CONDITIONS ........................................................................................................................ 6 2.4 STATEMENT OF THE MEASUREMENT UNCERTAINTY .......................................................................................... 6 3. METHOD OF MEASUREMENT ................................................................................................................... 7 3.1 APPLICABLE STANDARD ................................................................................................................................. 7 3.2 REQUIREMENT .............................................................................................................................................. 7 3.3 LIMIT ............................................................................................................................................................. 7 3.4 MPE CALCULATION METHOD ......................................................................................................................... 8 3.5 ANTENNA INFORMATION ................................................................................................................................. 8 4. CONDUCTED POWER RESULTS ............................................................................................................... 9 5. MANUFACTURING TOLERANCE ............................................................................................................. 12 6. MEASUREMENT RESULTS .....................................................................................................................…

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Shenzhen Global Test Service Co.,Ltd. No.7-101 and 8A-104, Building 7 and 8, DCC Cultural and Creative Garden, No.98, Pingxin North Road, Shangmugu Community, Pinghu Street, Longgang District, Shenzhen, Guangdong FCC PART 15 SUBPART C TEST REPORT FCC PART 15.407 Report Reference No. ..................... : FCC ID............................................. : GTS20231208004-1-65 2BFAK-FD210S Compiled by ( position+printed name+signature) . : File administrators Peter Xiao Supervised by ( position+printed name+signature) . : Test Engineer Evan Ouyang Approved by ( position+printed name+signature) . : Manager Jason Hu Date of issue .................................... : Mar. 05, 2024 Representative Laboratory Name . : Shenzhen Global Test Service Co.,Ltd. Address ............................................ : No.7-101 and 8A-104, Building 7 and 8, DCC Cultural and Creative Garden, No.98, Pingxin North Road, Shangmugu Community, Pinghu Street, Longgang District, Shenzhen, Guangdong,China Applicant’s name ............................ : Shanghai Neardi Technology Co., LTD. Address ............................................ : Room A201-60, Building 16, No.99, Huanhu West 1st Road, Lingang New Area, Shanghai, China Test specification ........................... : Standard ........................................... : FCC Part 15.407: General technical requirements TRF Originator .................................. : Shenzhen Global Test Service Co.,Ltd. Master TRF ...................................... : Dated 2014-12 Shenzhen Global Test Service Co.,Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Global Test Service Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Global Test Service 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. Test item description ..................... : FD7255S Trade Mark ....................................... : neardi Manufacturer .................................... : Shanghai Neardi Technology Co., LTD. Model/Type reference ...................... : FD210S Listed Models .................................. : N/A Operation Frequency ........................ : From 5180MHz to 5240MHz/ 5260MHz to 5320MHz/ 5500MHz to 5700MHz/ 5745MHz to 5825MHz Hardware Version ............................ : V03 Software Version .............................. : N/A Rating ............................................... : DC 3.3V Result ............................................... : PASS Report No.: GTS20231208004-1-65 Page 2 of 41 T E S T R E P O R T Test Report No. : GTS20231208004-1-65 Mar. 05, 2024 ____________________________________________________________________________________ Date of issue Equipment under Test : FD7255S Model /Type : FD210S Listed model : N/A Applicant : Shanghai Neardi Technology Co., LTD. Address : Room A201-60, Building 16, No.99, Huanhu West 1st Road, Lingang New Area, Shanghai, China Manufacturer : Shanghai Neardi Technology Co., LTD. Address : Room A201-60, Building 16, No.99, Huanhu West 1st Road, Lingang New Area, Shanghai, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: GTS20231208004-1-65 Page 3 of 41 Contents 1. TEST STANDARDS ......................................................................................................................................... 4 2. SUMMARY ....................................................................................................................................................... 5 2.1. General Remarks ................................................................................................................................... 5 2.2. Product Description ................................................................................................................................ 5 2.3. Equipment Under Test ........................................................................................................................... 5 2.4. Short description of the Equipment under Test (EUT) ........................................................................... 7 2.5. EUT operation mode .............................................................................................................................. 7 2.6. Block Diagram of Test Setup ................................................................................................................. 8 2.7. Related Submittal(s) / Grant (s) ............................................................................................................. 8 2.8. EUT Exercise Software .......................................................................................................................... 8 2.9. Special Accessories ............................................................................................................................... 8 2.10. External I/O Cable ................................................................................................................................ 8 2.11. Modifications ........................................................................................................................................ 8 3. TEST ENVIRONMENT ..................................................................................................................................... 9 3.1. Address of the test laboratory ................................................................................................................ 9 3.2. Test Facility ............................................................................................................................................ 9 3.3. Environmental condit…

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Shenzhen Global Test Service Co.,Ltd. No.7-101 and 8A-104, Building 7 and 8, DCC Cultural and Creative Garden, No.98, Pingxin North Road, Shangmugu Community, Pinghu Street, Longgang District, Shenzhen, Guangdong FCC PART 15 SUBPART C TEST REPORT FCC PART 15.407 Report Reference No. .................... : FCC ID. ........................................... : GTS20231208004-1-66 2BFAK-FD210S Compiled by ( position+printed name+signature) . : File administrators Peter Xiao Supervised by ( position+printed name+signature) . : Test Engineer Evan Ouyang Approved by ( position+printed name+signature) . : Manager Jason Hu Date of issue .................................... : Mar. 05, 2024 Representative Laboratory Name : Shenzhen Global Test Service Co.,Ltd. Address ............................................ : No.7-101 and 8A-104, Building 7 and 8, DCC Cultural and Creative Garden, No.98, Pingxin North Road, Shangmugu Community, Pinghu Street, Longgang District, Shenzhen, Guangdong Applicant’s name ........................... : Shanghai Neardi Technology Co., LTD. Address ............................................ : Room A201-60, Building 16, No.99, Huanhu West 1st Road, Lingang New Area, Shanghai, China Test specification........................... : Standard .......................................... : FCC Part 15.407: UNLICENSED NATIONAL INFORMATION INFRASTRUCTURE DEVICES TRF Originator ................................. : Shenzhen Global Test Service Co.,Ltd. Master TRF ...................................... : Dated 2014-12 Shenzhen Global Test Service Co.,Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Global Test Service Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Global Test Service 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. Test item description ..................... : FD7255S Trade Mark ....................................... : neardi Manufacturer .................................... : Shanghai Neardi Technology Co., LTD. Model/Type reference ...................... : FD210S Listed Models .................................. : N/A Modulation Type .............................. : OFDM Operation Frequency ....................... : From 5260MHz to 5320MHz, 5500MHz to 5700MHz Rating ............................................... : DC 3.3V Result ............................................... : PASS Report No.: GTS20231208004-1-66 Page 2 of 27 T E S T R E P O R T Test Report No. : GTS20231208004-1-66 Mar. 05, 2024 ____________________________________________________________________________________ Date of issue Equipment under Test : FD7255S Model /Type : FD210S Listed Models : N/A Applicant : Shanghai Neardi Technology Co., LTD. Address : Room A201-60, Building 16, No.99, Huanhu West 1st Road, Lingang New Area, Shanghai, China Manufacturer : Shanghai Neardi Technology Co., LTD. Address : Room A201-60, Building 16, No.99, Huanhu West 1st Road, Lingang New Area, Shanghai, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: GTS20231208004-1-66 Page 3 of 27 Contents 1. TEST STANDARDS ......................................................................................................................................... 4 2. SUMMARY ....................................................................................................................................................... 5 2.1. General Remarks ................................................................................................................................... 5 2.2. Product Description ................................................................................................................................ 5 2.3. Equipment Under Test ........................................................................................................................... 5 2.4. Short description of the Equipment under Test (EUT) ........................................................................... 7 2.5. EUT operation mode .............................................................................................................................. 7 2.6. Block Diagram of Test Setup ................................................................................................................. 7 2.7. Related Submittal(s) / Grant (s) ............................................................................................................. 8 2.8. Special Accessories ............................................................................................................................... 8 2.9. Modifications .......................................................…

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