A5MLB520NCThinkPad Dual-Mode Wireless ANC Foldable Headset 8550

-------------- ----------------------------- Lenovo US 8001 Development Drive Morrisville, NC 27560 United States Date: 2026-01-20 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Certification designating a U.S. agent for service of process pursuant to Part 2.911(d)(7) To whom it may concern, Lenovo (Beijing) Limited and FCC Grantee code：A5M (“the applicant”) certifies that, as of the date of the filing of application, Lenovo (United States) Incorporated (“the agent”) is designated as the U.S. agent for the purpose of accepting service of process on behalf of the applicant for Lenovo branded products. Product name: ThinkPad Dual-Mode Wireless ANC Foldable Headset 8550 Product model: LB520NC FCC ID: A5MLB520NC FRN: 0021340799 The physical U.S. address and email for the designated agent are: Physical U.S. address: 8001 Development Drive, Morrisville, NC 27560, United States FRN: 0012799359 Email: [email protected] The applicant accepts 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. The agent accepts the designation by (the applicant) as the U.S. agent to accept service of process includes, but is not limited to, delivery of any correspondence, notices, orders, decisions, and requirements of administrative, legal, or judicial process related to Commission proceedings. Signed by the Applicant Signed by the Agent (if different from the Applicant) Signature of Agent (Brian Killebrew) Name: Yang Liu Name: Brian Killebrew Title: Compliance Engineer Title: Director, Corporate Regulatory Compliance, -------------- ----------------------------- Lenovo US 8001 Development Drive Morrisville, NC 27560 United States Address: 201-H2-6, Floor2, Building 2, No. 6 Shangdi West Road, Haidian District, Beijing, China Standards and ISO 9001 Email: [email protected] Email: [email protected]

Lenovo (Beijing) Limited Attestation Statements Not Covered Entity Applicant To: Federal Communications Commission Date: 2026-01-20 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(ii) filing FCC ID: A5MLB520NC Lenovo (Beijing) Limited (“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, ______________________ Signature Printed name: Yang Liu Title: Compliance Engineer Tel: (86)10-58867473 Email: [email protected]

Lenovo (Beijing) Limited Attestation Statements Not Covered Equipment To: Federal Communications Commission Date: 2026-01-20 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) filing FCC ID: A5MLB520NC Lenovo (Beijing) Limited (“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, ______________________ Signature Printed name: Yang Liu Title: Compliance Engineer Tel: (86)10-58867473 Email: [email protected]

TCB Authority to Act as Agent Number: MS-0045317 Revision:0 Effective date: Oct 8, 2021 Page 1 of 1 Lenovo (Beijing) Limited Authority to Act as Agent Date: 2026-01-20 TUV Rheinland of North America, Inc. 1279 Quarry Lane., Suite. A Pleasanton, CA 94566 To Whom It May Concern: I appoint TÜV 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 Lenovo (Beijing) Limited, 201-H2-6, Floor2, Building 2, No. 6 Shangdi West Road, Haidian District, Beijing, 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. Agency Agreement Date: 2026-01-20 Agreement is valid for 12 months from the above date. Sincerely, ______________________ Signature Printed name: Yang Liu Title: Compliance Engineer Tel: (86)10-58867473 Email: [email protected] On behalf of Lenovo (Beijing) Limited Address: 201-H2-6, Floor2, Building 2, No. 6 Shangdi West Road, Haidian District, Beijing, China

MS-0044715Page 1 of 1Revision 1 Lenovo (Beijing) Limited Date: 2026-01-21 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road, Columbia, MD 21046, USA Subject: Confidentiality Request for FCC ID: A5MLB520NC 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 RequestedExhibit Short Term PermanentBlock Diagrams Short Term PermanentExternal Photo Short Term PermanentInternal Photos *** Short Term PermanentOperation Description/Theory of Operation Short Term PermanentSchematics Short Term PermanentTest Setup*** Short Term PermanentTune-Up Procedure Short Term PermanentUser’s Manual*** Short Term PermanentPart List/ Antenna Gain Information Datasheet Lenovo (Beijing) Limited 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, ______________________ Signature Printed name: Yang Liu Title: Compliance Engineer Tel: (86)10-58867473 Email: [email protected]

ThinkPad Dual-Mode Wireless ANC Foldable Headset 8550 ThinkPad双模无线头戴式折叠主动降噪耳机8550 ThinkPad雙模無線頭戴式摺疊主動降噪耳機8550 Model/型号/型號: LB520NC Rating/额定参数/額定參數: DC5V 640mA Made in China/中国制造/中國製造 Lenovo (Beijing) Limited S/N: 8SSH31T60927AEAXXXXX XXX ASM PN: SH31T60927 FRU PN: 5H31T60929 FCC ID: A5MLB520NC CAN ICES-003(B)/NMB-003(B) CMIIT ID: 25J118743031 IC: 5903G-LB520NC 58.092mm 58.029mm 36.833mm 41.512mm CIDF15000051 201-250635 R-R-LVK-LB520NC XXXXXXXXXXXXXX Type Approved Safety Regular production Surveilance www.tuv.com ID 8888881225 CERTIFIED 201-250635 R-R-LVK-LB520NC Type Approved Safety Regular production Surveilance www.tuv.com ID 8888881225 CERTIFIED 5mm 6.77mm7mm 4mm 3.5mm 5.13mm4.22mm4.74mm4.51mm4mm4.55mm4mm14.16mm 4.91mm 5mm6.73mm4.23mm6.68mm5.85mm6.88mm 3.11mm5mm5mm CIDF15000051 25 XXXXXXXXXXXXXX R a t i n g / 额 定 参 数 / 額 定 參 數 : D C 5 V 6 4 0 m A M a d e i n C h i n a / 中 国 制 造 / 中 國 製 造 A S M P N : S H 3 1 T 6 0 9 2 7 F C C I D : A 5 M L B 5 2 0 N C S / N : 8 S S H 3 1 T 6 0 9 2 7 A E A X X X X X X X X T h i n k P a d D u a l - M o d e W i r e l e s s A N C F o l d a b l e H e a d s e t 8 5 5 0 L e n o v o ( B e i j i n g ) L i m i t e d M o d e l / 型 号 / 型 號 : L B 5 2 0 N C T h i n k P a d 双 模 无 线 头 戴 式 折 叠 主 动 降 噪 耳 机 8 5 5 0 T h i n k P a d 雙 模 無 線 頭 戴 式 摺 疊 主 動 降 噪 耳 機 8 5 5 0 C A N I C E S - 0 0 3 ( B ) / N M B - 0 0 3 ( B ) C M I I T I D : 2 5 J 1 1 8 7 4 3 0 3 1 I C : 5 9 0 3 G - L B 5 2 0 N C F R U P N : 5 H 3 1 T 6 0 9 2 9 R3B599 RoHS R3B599 RoHS RAMATEL X-XXXXX XXXXX-XX-XXXXX R-XXXXXXXX www .bis.gov .in XXXX XX CIDF15000051 201-250635 R-R-LVK-LB520NC XXXXXXXXXXXXXX Type Approved Safety Regular production Surveilance www.tuv.com ID 8888881225 CERTIFIED R3B599 RoHS RAMATEL X-XXXXX XXXXX-XX-XXXXX R-XXXXXXXX www .bis.gov .in XXXX XX

Prüfbericht - Produkte Test Report - Products Prüfbericht-Nr.: Test report no.: CN25CZTX 002 Auftrags-Nr.: Order no.: 168577723 Seite 1 von 28 Page 1 of 28 Kunden-Referenz-Nr.: Client reference no.: N/A Auftragsdatum: Order date: 2025-10-09 Auftraggeber: Client: Lenovo (Beijing) Limited 201-H2-6, Floor 2, Building 2, No. 6 Shangdi West Road, Haidian District, Beijing, China Prüfgegenstand: Test item: ThinkPad Dual-Mode Wireless ANC Foldable Headset 8550 Bezeichnung / Typ-Nr.: Identification / Type no.: LB520NC Auftrags-Inhalt: Order content: FCC Report Prüfgrundlage: Test specification: FCC 47 CFR § 2.1093 IEEE Std 1528-2013 Published RF exposure KDB procedures Wareneingangsdatum: Date of sample receipt: 2026-01-04 Please refer to Photo Document Prüfmuster-Nr.: Test sample no: A004177094-009 Prüfzeitraum: Testing period: 2026-01-09 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 Signed by: Lin Lin genehmigt von: authorized by: X Signed by: Hardy Suo Datum: Date: 2026-01-10 Ausstellungsdatum: Issue date: 2026-01-10 Stellung / Position: Sachverständige(r)/Expert Stellung / Position: Sachverständige(r)/Expert Sonstiges / Other: FCC ID: A5MLB520NC 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. TÜV Rheinland (Shenzhen) Co., Ltd. 1601-1604, 1801-1804, Tower A, Building 2, Shenzhen International Innovation Valley, Dashi 1st Road, Xili Street, Xili Community, Nanshan District, Shenzhen, 518000 Mail: [email protected] · Web: www.tuv.com V101023GCNSR Prüfbericht - Produkte Test Report - Products Prüfbericht-Nr.: CN25CZTX 002 Test report no.: Seite 2 von 28 Page 2 of 28 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. Informationen zur Verifizierung der Authentizität unserer Dokumente erhalten Sie auf folgender Webseite: go.tuv.com/digital-signature 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. For information on verifying the authenticity of our documents, please visit the following website: go.tuv.com/digital-signature 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 115:2023, 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 rul…

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Prüfbericht - Produkte Test Report - Products Appendix A CN25CZTX 002 Page 1 of 1

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Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 1 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 2 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 3 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 4 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 5 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 6 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 7 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 8 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 9 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 10 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 11 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 12 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 13 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 14 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 15 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 16 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 17 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 18 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 19 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 20 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 21 of 22 Prüfbericht - Produkte Test Report - Products Appendix C CN25CZTX 002 Page 22 of 22

1 Antenna Specification Project Name： B520NC Antenna Name： 2.4GHz Antenna Antenna Type： PIFA Antenna Manufacturer Name： Shenzhen Sixun Communication Technology Co., Ltd Antenna Manufacturer Address： Room 505-506, Tower A, Donglian Building, Chuangye Er Road, Bao'an District, Shenzhen, China Version： V1.0 Date： 2025.11.17 2 History Edit/Change Date Reason Change Content Version Version 2025.11.17 First edition release First edition release V1.0 3 Table of Contents 一：Passive Antenna Test Report ............................................................................................................................................. 4 二：Antenna 3D Chamber data ................................................................................................................................................ 6 三：Antenna match circuit ....................................................................................................................................................... 7 4 一：Passive Antenna Test Report Angilent E5071C Antenna S11 Parameters： Antenna Efficiency and Gain： 2.4GHz Frequency MHz Gain (dBi） Efficiency (dB） Efficiency (%) 2400 0.1 -3.4 45.2 2410 0.3 -3.4 45.4 2420 0.4 -3.3 46.3 2430 0.3 -3.3 46.9 2440 0.3 -3.2 48.0 5 2450 0.3 -3.1 48.5 2460 0.2 -3.2 47.6 2470 0.4 -3.3 47.1 2480 0.5 -3.4 46.2 2490 0.5 -3.4 46.0 2500 0.6 -3.5 45.1 Average 0.3 -3.3 46.6 Antenna 3D Phantom： Antenna 2D Phantom： Theta=90.00deg 6 Phi=0.00deg Phi=90.00deg 二：Antenna 3D Chamber data Free field Head Model Without flash Channel TRP（dBm） TIS（dBm） TRP（dBm） TIS（dBm） BT CH 0 5.1 -93.5 4.2 -92.7 CH 39 5.8 -94.2 4.4 -93.1 CH 78 5.5 -93.3 3.9 -92.1 Free field Head Model With flash Channel TRP（dBm） TIS（dBm） TRP（dBm） TIS（dBm） BT CH 0 6.0 -94.4 5.3 -93.4 CH 39 6.9 -94.7 5.5 -93.9 CH 78 6.6 -94.1 5.0 -93.2 7 OTA Standard Chamber 三：Antenna match circuit

Prüfbericht - Produkte Test Report - Products Prüfbericht-Nr.: Test report no.: CN25CZTX 003 Auftrags-Nr.: Order no.: 168577723 Seite 1 von 28 Page 1 of 28 Kunden-Referenz-Nr.: Client reference no.: N/A Auftragsdatum: Order date: 2025-10-09 Auftraggeber: Client: Lenovo (Beijing) Limited 201-H2-6, Floor 2, Building 2, No. 6 Shangdi West Road, Haidian District, Beijing, China Prüfgegenstand: Test item: ThinkPad Dual-Mode Wireless ANC Foldable Headset 8550 Bezeichnung / Typ-Nr.: Identification / Type no.: LB520NC Auftrags-Inhalt: Order content: Test Report Prüfgrundlage: Test specification: CFR Title 47 FCC Part 15: Subpart C Section 15.247 Wareneingangsdatum: Date of sample receipt: 2025-11-19 Please refer to Photo Document Prüfmuster-Nr.: Test sample no: A004140302-007~024 Prüfzeitraum: Testing period: 2025-12-02 - 2025-12-08 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 Signed by: Lin Lin genehmigt von: authorized by: X Signed by: Hardy Suo Datum: Date: 2026-01-16 Ausstellungsdatum: Issue date: 2026-01-16 Stellung / Position: Sachverständige(r)/Expert Stellung / Position: Sachverständige(r)/Expert Sonstiges / Other: FCC ID: A5MLB520NC 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, 1801-1804, Tower A Building 2, Shenzhen International Innovation Valley, Dashi 1st Road, Xili Street, Xili Community, Nanshan District, Shenzhen, 518000 Mail: [email protected] · Web: www.tuv.com V101023GCNSR Prüfbericht - Produkte Test Report - Products Prüfbericht-Nr.: CN25CZTX 003 Test report no.: Seite 2 von 28 Page 2 of 28 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. Informationen zur Verifizierung der Authentizität unserer Dokumente erhalten Sie auf folgender Webseite: go.tuv.com/digital-signature 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. For information on verifying the authenticity of our documents, please visit the following website: go.tuv.com/digital-signature 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 115:2023, 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 s…

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Prüfbericht - Produkte Test Report - Products Appendix A CN25CZTX 003 Page 1 of 51 Appendix A: Test Results of Bluetooth BR & EDR APPENDIX A: TEST RESULTS OF BLUETOOTH BR & EDR ................................................................................................. 1 APPENDIX A.1: TEST RESULTS OF 20DB BANDWIDTH ................................................................................................................. 2 Test Result..................................................................................................................................................................... 2 Test Graphs ................................................................................................................................................................... 3 APPENDIX A.2: TEST RESULTS OF 99% BANDWIDTH ................................................................................................................... 6 Test Result..................................................................................................................................................................... 6 Test Graphs ................................................................................................................................................................... 7 APPENDIX A.3: TEST RESULTS OF CARRIER FREQUENCY SEPARATION ........................................................................................... 10 Test Result................................................................................................................................................................... 10 Test Graphs ................................................................................................................................................................. 11 APPENDIX A.4: TEST RESULTS OF TIME OF OCCUPANCY............................................................................................................. 12 Test Result................................................................................................................................................................... 12 Test Graphs ................................................................................................................................................................. 13 APPENDIX A.5: TEST RESULTS OF NUMBER OF HOPPING FREQUENCY .......................................................................................... 18 Test Result................................................................................................................................................................... 18 Test Graphs ................................................................................................................................................................. 19 APPENDIX A.6: TEST RESULTS OF BAND EDGE MEASUREMENTS ................................................................................................. 20 Test Result................................................................................................................................................................... 20 Test Graphs ................................................................................................................................................................. 21 APPENDIX A.7: TEST RESULTS OF CONDUCTED SPURIOUS EMISSION ............................................................................................ 24 Test Result................................................................................................................................................................... 24 Test Graphs ................................................................................................................................................................. 25 APPENDIX A.8: TEST RESULTS OF RADIATED SPURIOUS EMISSIONS ............................................................................................. 32 30 MHz - 1GHz ............................................................................................................................................................ 32 1GHz - 18GHz .............................................................................................................................................................. 34 APPENDIX A.9: TEST RESULTS OF RADIATED EMISSIONS IN RESTRICTED BANDS ............................................................................. 46 APPENDIX A.10: TEST RESULTS OF CONDUCTED EMISSION ON AC MAINS .................................................................................... 50 Prüfbericht - Produk…

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