FCC ID: 2AJYU-8XS0003 SIM7672NA

SIMCom Wireless Solutions Limited Building 3, No.289 Linhong Road Shanghai China FCC ID2AJYU-8XS0003 Model: SIM7672NA

SIMCom Wireless Solutions Limited Building 3, No.289, Linhong Road, Shanghai, P.R.China Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: November 3, 2023 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2AJYU-8XS0003 FRN: 0025948449 SIMCom Wireless Solutions Limited certifies that, as of the date of the filing of the application, FCC US Agent, LLC is our designated U.S. agent for service of process for the above referenced FCC ID. SIMCom Wireless Solutions Limited accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission related proceeding involving the equipment. FCC US Agent, LLC accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information:

Name: FCC US Agent, LLC Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA FRN: 0033402884 Contact Person: Tim Payne Tel.: 708-571-3148 Email: SupporL@FCCUSAgent.com Sincerely, SIMCom Wireless Solutions Limited FCC US Agent, LLC

| yongsheng Li Tim Payne Signature: Yenashen Ae signature:

Rev 1/26/2023

SIMCom Wireless Solutions Limited Building 3, No.289, Linhong Road, Shanghai, P.R.China Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: November 3, 2023 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2AJYU-8XS0003 SIMCom Wireless Solutions Limited certifies that the equipment for which authorization is sought is not covered equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, i Name: yongsheng Li Title: Deputy General Manager SIMCom Wireless Solutions Limited E-mail: yongsheng.li@simcom.com Rev 1/26/2023

SIMCom Wireless Solutions Limited Building 3, No.289, Linhong Road, Shanghai, P.R.China Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: November 3, 2023 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: Z2AJYU-8XS0003 SIMCom Wireless Solutions Limited certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing covered equipment. Sincerely, rngsheg Ae Name: yongsheng Li Title: Deputy General Manager SIMCom Wireless Solutions Limited E-mail: yongsheng.li@simcom.com Rev 1/26/2023

51MCom Wireless Solutions Limited Building 3, No.289, Linhong Road, Shanghai, P.R.China Date: November 3, 2023 Federal Communications Commission 7435 Oakland Mills Road - Gate A Columbia, Maryland 21046 Subject: Request for Confidentiality FCC ID: ZAJYU-8XS0003 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commissions rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachments as confidential document from public disclosure indefinitely. Schematic Diagram Block Diagram Parts List Tune Up Procedure Operational Description Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In additional to above mentioned documents, pursuant to Public Notice DA 04-1705 of the Commission s policy, in order to comply with the marketing regulations in 47 CFT 2.803 and the importation rules in 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices. We are requesting the commission to grant short-term confidentiality request on the following attachments until 180 days after the Grant Date of Equipment Authorizations. External Photos Internal Photos e Test Setup Photos Users Manual It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. easy Name: yongsheng Li Best Regards, Title: Deputy General Manager SIMCom Wireless Solutions Limited E-mail: yongsheng.li@simcom.com

SIMCom Wireless Solutions Limited Building3, No.289, Linhong Road, Shanghai, P.R.China Ahladislar Anngnrniwsn!] Danitact CF [VND ancoc AR A de eK bh FCC ID: 2AJYU-8xS0003 Items to be covered by Single modular transmitters 1. The modular transmitter must have its own RF shi 2. The modular transmitter must have buffered module are provided) to ensure that the module will con under conaitions of excessive data rates or over-n FMAM Palit 44.242) alding. The radio portion of this modiila ic chialdad T ES Ere ition/data inputs (if such inputs | The module has _ buffer ply with Part 15 requirements | modulation/data inputs. lodulation. 3. The modular transmitter must have its own power 4. ine moaular transmitter must comply with the an 15.203 and 15.204(b)(c). The antenna must eith employ a unique antenna coupler (at all connec the antenna, including the cable). 5. The modular transmitter must be tested in a stan module must not be inside another device during dqdamnnctratoa that tha mnadiila ic canahlo anf camp!

_ aes Ss a ae GN EO limits regardless of the device into which it is evel 6. The modular transmitter must be equipped with eit or must be capable of electronically displaying it accordance with 15.212 (a)(1)(vi)(A) / (B). supply regulation. The module has its own power supply regulation. tenna requirements Of section |} ine requirements of antenna 2r be permanently attached or | connector and spurious tions between the module and | emission have been fulfilled. d-alone configuration, i.e., the | The required rule has been testing. This is intended to fulfilled. vino with Dart 15 amiccinn or*rnreeeeMsS Ss OEE Eee eee Atually installed. her a permanently affixed label | The Module will be labeled s FCC identification number in | with its own FCC ID, and the instruction on the labeling rule of the end product has haan ctatad in tha Il Icar ee Er ee le ee Manual of this module. 7. The modular transmitter must comply with a1 requirements applicable to the transmitter and t adequate instructions along with the module to ext copy of these instructions must be included in authorization. For example, there are very |

requirements that must be met before a transmi under Section 15.231. For instance. data transm operation under Section 15.231(e), in which case level and timing requirements. Compliance wi assured. ry specific rule or operating | The required rule has been he manufacturer must provide | fulfilled and all the ylain any such requirements. A | instructions for maintaining all the application for equipment | compliance have been clearly strict operational and timing | stated in the User Manual. ter is authorized for operation ission is prohibited. except for a a there are separate field strength th these requirements must be 8. |The modular transmitter must comply with any a}

requirements. For example, FCC Rules in Sectio:

specific Sections of Part 15, including 15.319(i), 1!

15.255(g), require that Unlicensed PCS, UNII and |

narfarm raiitina anviranmantal ayaliatinn far RE eye EER ERM MEE ENE compliance. In addition, spread spectrum trans 15.247 are required to address RF Exposure come approved under other Sections of Part 15, when r aaadress certain RF Exposure concerns, typically b\

and operating instructions for users, installers anc ensure compliance. If you should have any question(s) regarding this Thank you!

oplicable RF exposure The required rule has been 1s 1.1310, 2.1091, 2.1093, and fulfilled and all the

.407(f), 15.253(f) and instructions for maintaining millimeter wave devices compliance have been clearly Evnaciira tn dAamnnctrata ctatad in tha Illear Aanial RANMMIMES AM MM EE ee EN Ne OE Ee mitters operating under Section liance. Modular transmitters ecessary, may also need to

/ providing specitic installation 1 other interested parties to declaration, please dont hesitate to contact us. Name: yongsheng Li Title: Deputy General Manager mIR Ao... VBR Ee Ld mL kt wt ek SIVILOTT VVIFEIESS SOIUTIONS LITMICeG E-mail: yongsheng.li@simcom.com

SiIMCom Wireless Solutions Limited Building 3, No.289, Linhong Road, Shanghai, P.R.China Date: November 3, 2023 Power of Attorney To whom it may concern, Please be notified that I, yongsheng Li, have designated Joey Lao of Bureau Veritas 7Layers Communications Technology (Shenzhen) Co., Ltd as the person being responsible for this project and to sign the form 731 and other documentation. Any and all acts carried out by Joey Lao of Bureau Veritas 7Layers Communications Technology (Shenzhen) Co. Ltd on the matters relating to all processes required in the FCC approval and any communication needed with the national authority, shall have the same legal authority as acts on our own behalf. As defined in 47 CFR Ch. 1.U.S.C. 862, we further certify that neither the applicant nor any party to this application is subject to a denial to Federal benefits, including FCC benefits, pursuant to section 5301 of the Anti-Drug Abuse Act. This authorization is limited to the product of as following:

FCC ID: 2AJYU-8XS0003 If you have any acknowledgement and response, please send it to Joey Lao of Bureau Veritas 7Layers Comununicatious Technology (Shenzhen) Co., Ltd diucctly. Should you have any question or comment regarding this matter, please have my best attention. Sincerely yours, orgs ;

Name: yongsheng Li Title: Deputy General Manager SIMCom Wireless Solutions Limited E-mail: yongsheng.li@simcom.com