2AF6B-RAK5148WisLink LPWAN Concentrator

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Attestation Statements Not Covered Entity Applicant To: Federal Communications Commission Date: 2023-08-18 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(ii) filing FCC ID: 2AF6B-RAK5148 [Shenzhen RAKwireless Technology Co., Ltd.] (“the applicant”) 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 yours, Applicant Signature Printed Name: Vivian Xu Title: Certification Engineer Address: Room 506, Building B, New Compark, Pingshan First Road, Taoyuan Street, Nanshan District, Shenzhen, Guangdong, China Tel.: +8619926584202 Email: [email protected]

Attestation Statements Not Covered Equipment To: Federal Communications Commission Date: 2023-08-18 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) filing FCC ID: 2AF6B-RAK5148 [Shenzhen RAKwireless Technology Co., Ltd.] (“the applicant”) 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 yours, Applicant Signature Printed Name: Vivian Xu Title: Certification Engineer Address: Room 506, Building B, New Compark, Pingshan First Road, Taoyuan Street, Nanshan District, Shenzhen, Guangdong, China Tel.: +8619926584202 Email: [email protected]

Page 1 of 1 Authority to Act as Agent Date: 2023-08-18 TUV Rheinland of North America, Inc. 1279 Quarry Lane., Suite. A Pleasanton, CA 94566 To Whom It May Concern: I appoint __________ TUV Rheinland (Shenzhen) Co., Ltd. _______ to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the FCC or Industry Canada’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by TUV Rheinland Group, still resides with ____Shenzhen RAKwireless Technology Co., Ltd. / Room 506, Building B, New Compark, Pingshan First Road, Taoyuan Street, Nanshan District, Shenzhen, Guangdong, China_________. For TCB applications, We certify that we are not subject to denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. Thank you, Agency Agreement Date: ________12 Months_______ Agreement is valid for 12 months from the above date. By: __________________________ ___Vivian Xu________________ (Signature) (Print name) __Certification Engineer_______ ___+8619926584202__________ (Title) (Telephone) On behalf of: _Shenzhen RAKwireless Technology Co., Ltd.____________________ (Company Name)

Page 1 of 1 uncontrolled when printed out TCB FCC Request for Confidentiality Letter Date: 2023-08-18 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road, Columbia, MD 21046, USA Subject: Confidentiality Request for FCC ID: 2AF6B-RAK5148 Pursuant to FCC 47 CRF 0.457(d), the applicant requests that a part of the subject FCC/IC application be held confidential. Type of Confidentiality Requested Exhibit Short Term Permanent Block Diagrams Short Term n/a External Photo Short Term Permanent Internal Photos *** Short Term Permanent Operation Description/Theory of Operation Short Term Permanent Schematics Short Term Permanent Test Setup*** Short Term Permanent Tune-Up Procedure Short Term Permanent User’s Manual*** Short Term Permanent Part List/ Antenna Construction Shenzhen RAKwireless 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. (*** Exceptional case for Permanent Confidentiality for these Exhibits by PAG only) Short-Term Confidentiality: The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of 180 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 TUV Rheinland in the event information regarding the product or the product is made available to the public. TUV Rheinland will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. Sincerely, By: _______________________________________________ ____________ Vivian Xu ____________ (Signature/Title) (Print name) Tel: +8619926584202 Email: [email protected]

Module Approve Request Letter Date: 2023-08-18 FCC ID: 2AF6B-RAK5148, IC: 25908-RAK5148 To whom it may concern: The requirements of KDB 996369 has been met and shown on the following statements. Type of Module: Single Modular Transmitter No. Requirements Device Conditions Comply (Y/N) 1 The radio elements of the modular transmitter must have their own shielding. The physical crystal and tuning capacitors may be located external to the shielded radio elements. Y 2 The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with part 15 requirements under conditions of excessive data rates or over-modulation. Y 3 The modular transmitter must have its own power supply regulation. Y 4 The modular transmitter must comply with the antenna and transmission system requirements of §15.203, 15.204(b) and 15.204(c). The antenna must either be permanently attached or employ a “unique” antenna coupler. Y 5 The modular transmitter must be tested in a stand- alone configuration, i.e., the module must not be inside another device during testing for compliance with part 15 requirements. Y 6 The modular transmitter must be equipped with either a permanently affixed label or must be capable of electronically displaying its FCC identification number. Y 7 The modular transmitter must comply with any specific rules or operating requirements that ordinarily apply to a complete transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements. A copy of these instructions must be included in the application for equipment authorization. Y 8 The modular transmitter must comply with any applicable RF exposure requirements in its final configuration. Y If you have any questions regarding this, please don’t hesitate to contact us. Sincerely, By: _________________________________ _________ Vivian Xu / Certification Engineer ________ (Signature) (Print name)

External Photos External Photos External Photos External Photos (Omni antenna with 8dBi antenna gain) LoRa ANT port GPS ANT port External Photos (Rod antenna with 6dBi antenna gain)

Label location (on the cooling fin)

Internal Photos Internal Photos

Shenzhen RAKwireless Technology Co., Ltd. 2400-2500MHz Antenna Specifications Model RAKARX21 Electrical Specifications Frequency Range 2400-2500MHz Peak Gain 6dBi VSWR ≤ 2 Efficiency >70% Feed Impedance 50 Ohms Polarization Vertical Horizontal Beamwidth 360° Vertical Beamwidth 30° Connector Type SMA-type Mechanical specifications Dimensions (mm) Փ 13.0 mm x 198.0 mm Operation Temp (°C) -40 °C ~ +75 °C Storage Temperature -40 °C ~ +85 °C Humidity range 5%~95% Vertical plane pattern Horizontal plane pattern Shenzhen RAKwireless Technology Co., Ltd. 2400-2500MHz Antenna RAKARW02 Features The 8 dBi Fiberglass antenna is an outdoor, high-performance antenna, designed to withstand harsh outdoor conditions. It is specially designed for LoRa in the 2400-2500 MHz band . The antenna connector is one with the antenna body - this design further increases the resistance of the antenna to external conditions. With a length of only 480 mm, this antenna will be the best fit for your LPWAN gateway or outdoor deployed RAK Hotspot. Quite good VSWR Max Gain: 8dBi High efficiency Specifications Model RAKARW02 Electrical Specifications Frequency Range 2400~2500MHz Peak Gain 8dBi VSWR ≤ 1.8 Efficiency >70% Feed Impedance 50 Ohms Polarization Vertical Horizontal Beamwidth 360° Vertical Beamwidth 17° Cover Material (Color) Fiberglass (White) Connector Type N-type male Mechanical specifications Dimensions (mm) Փ 27.0 mm x 480.0 mm Operation Temp (°C) -40 °C ~ +75 °C Storage Temperature -40 °C ~ +85 °C Humidity range 5%~95% Shenzhen RAKwireless Technology Co., Ltd. VSWR S11 Shenzhen RAKwireless Technology Co., Ltd. Radiation Patterns XZ(YZ) XY

1 Safety Human Exposure 1.1 Radio Frequency Exposure Compliance 1.1.1 Electromagnetic Fields RESULT: Pass Test Specification Test item : WisLink LPWAN Concentrator Identification / Type No. : RAK5148 (Trademark: ) FCC ID : 2AF6B-RAK5148 IC 25908-RAK5148 HVIN : RAK5148 Test standard : CFR47 FCC Part 2: Section 2.1091 CFR47 FCC Part 1: Section 1.1310 FCC KDB Publication 447498 D01 v06 FCC KDB Publication 865664 D02 v01r02 RSS-102 Issue 5 February 2021 1.1.1.1 RF Exposure Compliance Requirement for FCC FCC requirement: Systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as a mobile device whereby a distance of 20cm normally can be maintained between the user and the device. Antenna information: One UFL connector (Hirose U. FL-R-SMT) for externa antenna, a Rod antenna (ANT0) or an Omni antenna for (ANT1) provided by client, 6.00 dBi for Rod antenna (ANT0).  Radio Frequency Exposure Limit Frequency range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm²) 300-1,500 -- -- f/1500 1,500-100,000 -- -- 1.0  Radio Frequency Exposure Calculation Formula a) RF Exposure Evaluation standalone operations (worse case) Mode *Measured RF Output Power (dBm) EIRP (dBm) Distance (cm) Power Density (mW/cm²) FCC Limit (mW/cm²) 2.4G Lora 17.97 8.0 20 0.079 1.0 Note: 1. *2.4GHz Lora RF Output Power: Refer to CN23346K 002  Conclusion Therefore, the maximum calculations result of above are meet the requirement of Radio Frequency Exposure (MPE) limit. 1.1.1.2 RF Exposure Compliance Requirement for IC The EUT shall comply with the requirement of RSS-102 section 2.5.2. Exemption from Routine Evaluation Limits – RF Exposure Evaluation RF exposure evaluation is required if the separation distance between the user and/or bystander and the device’s radiating element is greater than 20 cm, except when the device operates as follows: at or above 300 MHz and below 6 GHz and the source-based, time-averaged maximum e.i.r.p. of the device is equal to or less than 1.31 x 10 -2 ƒ 0.6834 W (adjusted for tune-up tolerance), where ƒ is in MHz;  RF exposure evaluation exempted power for 2.4GHz: 2.67 W The nominal maximum conducted output power specified: Antenna information: One UFL connector (Hirose U. FL-R-SMT) for externa antenna, a Rod antenna (ANT0) or an Omni antenna for (ANT1) provided by client, 6.00 dBi for Rod antenna (ANT0). The Max. e.i.r.p. for 2.4GHz Lora: 25.97 dBm = 0.3954 W “RF Radiation Exposure Statement Caution: This Transmitter must be installed to provide a separation distance of at least 20 cm from all persons.”

Prüfbericht - Produkte Test Report - Products Prüfbericht-Nr.: Test report no.: CN23346K 002 Auftrags-Nr.: Order no.: 168430355 Seite 1 von 23 Page 1 of 23 Kunden-Referenz-Nr.: Client reference no.: N/A Auftragsdatum: Order date: 2023-06-08 Auftraggeber: Client: Shenzhen RAKwireless Technology Co., Ltd. Room 506, Building B, New Compark, Pingshan First Road, Taoyuan Street, Nanshan District, Shenzhen, Guangdong, China Prüfgegenstand: Test item: WisLink LPWAN Concentrator Bezeichnung / Typ-Nr.: Identification / Type no.: RAK5148 (Trademark: ) Auftrags-Inhalt: Order content: Test Report Prüfgrundlage: Test specification: CFR47 FCC Part 15: Subpart C Section 15.247 CFR47 FCC Part 15: Subpart C Section 15.209 CFR47 FCC Part 15: Subpart C Section 15.207 RSS-247 Issue 2 February 2017 RSS-Gen Issue 5 March 2019 Wareneingangsdatum: Date of sample receipt: 2023-06-16 Please refer to Photo Document Prüfmuster-Nr.: Test sample no: A003497290-015~016 Prüfzeitraum: Testing period: 2023-06-21 - 2023-07-18 Ort der Prüfung: Place of testing: TÜV Rheinland (Shenzhen) Co., Ltd. Prüflaboratorium: Testing laboratory: TÜV Rheinland (Shenzhen) Co., Ltd. Prüfergebnis*: Test result*: Pass geprüft von: tested by: X genehmigt von: authorized by: X Datum: Date: 2023-08-02 Ausstellungsdatum: Issue date: 2023-08-02 Stellung / Position: Sachverständige(r)/Expert Stellung / Position: Sachverständige(r)/Expert Sonstiges / Other: FCC ID: 2AF6B-RAK5148 IC: 25908-RAK5148, HVIN: RAK5148 Zustand des Prüfgegenstandes bei Anlieferung: Condition of the test item at delivery: Prüfmuster vollständig und unbeschädigt Test item complete and undamaged * Legende: P(ass) = entspricht o.g. Prüfgrundlage(n) F(ail) = entspricht nicht o.g. Prüfgrundlage(n) N/A = nicht anwendbar N/T = nicht getestet * Legend: P(ass) = passed a.m. test specification(s) F(ail) = failed a.m. test specification(s) N/A = not applicable N/T = not tested Dieser Prüfbericht bezieht sich nur auf das o.g. Prüfmuster und darf ohne Genehmigung der Prüfstelle nicht auszugsweise vervielfältigt werden. Dieser Bericht berechtigt nicht zur Verwendung eines Prüfzeichens. This test report only relates to the above mentioned test sample. Without permission of the test center this test report is not permitted to be duplicated in extracts. This test report does not entitle to carry any test mark. TUV Rheinland (Shenzhen) Co., Ltd., 1601-1604, 17-18F, Tower A Building 2, Shenzhen International Innovation Valley, Dashi 1st Road, Xili Street, Xili Community, Nanshan District, Shenzhen 518052, P. R. China Mail: [email protected] · Web: www.tuv.com Hardy Suo Lin Lin Prüfbericht - Produkte Test Report - Products Prüfbericht-Nr.: CN23346K 002 Test report no.: Seite 2 von 23 Page 2 of 23 Anmerkungen Remarks 1 Alle eingesetzten Prüfmittel waren zum angegebenen Prüfzeitraum gemäß eines festgelegten Kalibrierungsprogramms unseres Prüfhauses kalibriert. Sie entsprechen den in den Prüfprogrammen hinterlegten Anforderungen. Die Rückverfolgbarkeit der eingesetzten Prüfmittel ist durch die Einhaltung der Regelungen unseres Managementsystems gegeben. Detaillierte Informationen bezüglich Prüfkonditionen, Prüfequipment und Messunsicherheiten sind im Prüflabor vorhanden und können auf Wunsch bereitgestellt werden. The equipment used during the specified testing period was calibrated according to our test laboratory calibration program. The equipment fulfils the requirements included in the relevant standards. The traceability of the test equipment used is ensured by compliance with the regulations of our management system. Detailed information regarding test conditions, equipment and measurement uncertainty is available in the test laboratory and could be provided on request. 2 Wie vertraglich vereinbart, wurde dieses Dokument nur digital unterzeichnet. Der TÜV Rheinland hat nicht überprüft, welche rechtlichen oder sonstigen diesbezüglichen Anforderungen für dieses Dokument gelten. Diese Überprüfung liegt in der Verantwortung des Benutzers dieses Dokuments. Auf Verlangen des Kunden kann der TÜV Rheinland die Gültigkeit der digitalen Signatur durch ein gesondertes Dokument bestätigen. Diese Anfrage ist an unseren Vertrieb zu richten. Eine Umweltgebühr für einen solchen zusätzlichen Service wird erhoben. As contractually agreed, this document has been signed digitally only. TUV Rheinland has not verified and unable to verify which legal or other pertaining requirements are applicable for this document. Such verification is within the responsibility of the user of this document. Upon request by its client, TUV Rheinland can confirm the validity of the digital signature by a separate document. Such request shall be addressed to our Sales department. An environmental fee for such additional service will be charged. 3 Prüfklausel mit der Note * wurden an qualifizierte Unterauftragnehmer vergeben und sind unter der jeweiligen Prüfklausel des Berichts beschrieben. Abweichungen von Prüfspezifikation(en) oder Kundenanforderungen sind in der jeweiligen Prüfklausel im Bericht aufgeführt. Test clauses with remark of * are subcontracted to qualified subcontractors and descripted under the respective test clause in the report. Deviations of testing specification(s) or customer requirements are listed in specific test clause in the report. 4 Die Entscheidungsregel für Konformitätserklärungen basierend auf numerischen Messergebnisen in diesem Prüfbericht basiert auf der "Null-Grenzwert-Regel" und der "Einfachen Akzeptanz" gemäß ILAC G8:2019 und IEC Guide 115:2021, es sei denn, in der auf Seite 1 dieses Berichts genannten angewandten Norm ist etwas anderes festgelegt oder vom Kunden gewünscht. Dies bedeutet, dass die Messunsicherheit nicht berücksichtigt wird und daher auch nicht im Prüfbericht angegeben wird. Zu weiteren Informationen bezueglich des Risikos durch diese Entscheidungsregel siehe ILAC G8:2019. The decision rule for statements of conformity, based on numerical measurement results, in this test repor…

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Prüfbericht - Produkte Test Report - Products Appendix B CN23346K 002 Page 1 of 3 Appendix B: Photographs of the Test Set-Up APPENDIX B: PHOTOGRAPHS OF THE TEST SET-UP ....................................................................................................... 1 PHOTOGRAPH 1: SET-UP PHOTO FOR RADIATED SPURIOUS EMISSION, BELOW 1GHZ ...................................................................... 2 PHOTOGRAPH 2: SET-UP PHOTO FOR RADIATED SPURIOUS EMISSION, ABOVE 1GHZ ...................................................................... 2 PHOTOGRAPH 3: SET-UP PHOTO FOR CONDUCTED EMISSION ON AC MAINS ................................................................................. 3 Prüfbericht - Produkte Test Report - Products Appendix B CN23346K 002 Page 2 of 3 Photograph 1: Set-up photo for Radiated Spurious Emission, Below 1GHz Photograph 2: Set-up photo for Radiated Spurious Emission, Above 1GHz Prüfbericht - Produkte Test Report - Products Appendix B CN23346K 002 Page 3 of 3 Photograph 3: Set-up photo for Conducted Emission on AC Mains