2BSW8-AIRBUDS16Wireless Earphone

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Local Representative Letter For CertificationServicein the USA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD 21048 To whomit may concern Pursuantto Section2.911(d)(7),of the Commission’s Rules(47 C.F.R.)we attestas followsfor the productlistedbelow: FCCIDModelname 2BSW8-AIRBUDS16AirBuds16 We herebyacknowledgeas follows: i. bothsigneesconfirmthat the pointof contactacceptsresponsibilityto act as a US-AmericanRepresentativeon behalfof the applicant ii. the pointof contactprovidesthe physicalU.S. addressand emailas listed below iii.bothpartiesmaintainthe requirementsof this agreementfor no less thanone year afterthe granteehas terminatedall marketingand importationor the conclusionof any Commission-relatedproceedinginvolvin g the equipment. iv.An expirationdatefor this letterdoesnot exist.In casethe U.S. agent changes,the granteeis obligatedto notifythe FCCwithin30 daysvia the grantingTCB. US-AmericanPointof ContactApplicant/ApprovalHolder SignatureDate:2026-04-13SignatureDate:2026-04-13 Company Name: MarsBusinessConsulting,LLCHONGKONGLELEGAO TECHNOLOGYCO.,LIMITED FRN:00337906840037627072 ContactName:Ms JESSIEPENGXiuyingZou Address:8932MISSIONDR 207 Rosemead,CA 91770-1452 UnitedStates 19H MaxgrandPlaza,No.3 Tai Yau Street,San Po Kong,Kowloon,HongKong Phone:(858)905-021875532909320 Email:[email protected]@blackview.hk

Page 1 of 4 FCC ID: 2BSW8-AIRBUDS16 External Photos Page 2 of 4 FCC ID: 2BSW8-AIRBUDS16 Page 3 of 4 FCC ID: 2BSW8-AIRBUDS16 Page 4 of 4 FCC ID: 2BSW8-AIRBUDS16

Label FCC ID: 2BSW8-AIRBUDS16

Page 1 of 2 FCC ID: 2BSW8-AIRBUDS16 Internal photos Ceramic antenna Page 2 of 2 FCC ID: 2BSW8-AIRBUDS16

Page 1 of 7 Report No.: AiTSZ-260312027FW2 Note: This device has been tested and found to comply with the standard(s) listed, this 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. This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited. If there is a need to alter or revise this document, the right belongs to Guangdong Asia Hongke Test Technology Limited, and it should give a prior written notice of the revision document. This test report must not be used by the client to claim product endorsement. Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. RF Exposure evaluation Product Name : Wireless Earphone Brand Name : N/A Model : AirBuds 16 Series Model : N/A FCC ID : 2BSW8-AIRBUDS16 Applicant : HONG KONG LELEGAO TECHNOLOGY CO.,LIMITED Address : 19H Maxgrand Plaza, No.3 Tai Yau Street, San Po Kong,Kowloon,HongKong Manufacturer : Shenzhen Doke Electronic Co., LTD Address : 801, Building3, 7th Industrial Zone, YulvCommunity, Yutang Road, Guangming District, Shenzhen.China Standard(s) : 47CFR §1.1310, 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Date of Receipt : Mar. 12, 2026 Date of Test : Mar. 12, 2026~ Mar. 19, 2026 Issued Date : Mar. 19, 2026 Issued By: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Tel.: +86 0755-230967639 Fax.: +86 0755-230967639 Reviewed by: Approved by: Aalen.Ye Allen Wang Page 2 of 7 Report No.: AiTSZ-260312027FW2 Report Revise Record Report Version Issued Date Notes M0 Mar. 19, 2026 Initial Release Page 3 of 7 Report No.: AiTSZ-260312027FW2 Contents 1 GENERAL INFORMATION .......................................................................................................................................... 4 1.1 ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 4 1.2 GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 4 1.3 TEST FACILITY .............................................................................................................................................................. 5 1.4 MEASUREMENT UNCERTAINTY ........................................................................................................................................ 5 2 METHOD OF MEASUREMENT ................................................................................................................................... 6 2.1 APPLICABLE STANDARD.................................................................................................................................................. 6 2.2 EVALUATION METHOD AND LIMIT .................................................................................................................................... 6 2.3 MANUFACTURING TOLERANCE ........................................................................................................................................ 7 2.4 EVALUATION RESULT ..................................................................................................................................................... 7 2.5 CONCLUSION ............................................................................................................................................................... 7 Page 4 of 7 Report No.: AiTSZ-260312027FW2 1 GENERAL INFORMATION 1.1 Environmental conditions During the measurement the environmental conditions were within the listed ranges: Normal Temperature: 25°C Relative Humidity: 55 % Air Pressure: 101 kPa 1.2 General Description of EUT Product Name: Wireless Earphone Model/Type reference: AirBuds 16 Serial Model: N/A Power Supply: Charging Case: Input: USB DC 5.0V 3.7V/ 320mAh Rechargeable Li-ion battery Earphones: Input: Contact PIN DC 5.0V 3.7V/ 35mAh Rechargeable Li-ion battery Hardware Version: HE-091-AB5656C3-R-V1.0 HE-091-AB5656C3-L-V1.0 Software Version: AirBuds 16(HE-091A)_ AB5656C3_S754_BT6.0_L_(00002A48_6BCCB7A7)& R_(00002A48_6BCCA36B)_20260310_V0.0.6 Sample(s) Status: AiTSZ-260312027-1(Normal sample) AiTSZ-260312027-2(Engineer sample) Bluetooth: Supported type: Bluetooth BR/EDR Modulation: GFSK, π/4DQPSK, 8DPSK Operation frequency: 2402MHz~2480MHz Channel number: 79 Channel separation: 1MHz Antenna type: Ceramic antenna Antenna gain: 3.76dBi Remark: The above DUT's information was declared by manufacturer. For more detailed features description, please refer to the manufacturer’s specifications or the User's Manual. Page 5 of 7 Report No.: AiTSZ-260312027FW2 1.3 Test Facility Test Laboratory: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China The test facility is recognized, certified or accredited by the following organizations: FCC-Registration No.: 251906 Designation Number: CN1376 Guangdong Asia Hongke Test Technology Limited has been registered and fully described in a report filed with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. IC —Registration No.: 31737 CAB identifier: CN0165 The 3m Semi-anechoic chamber of Guangdong Asia Hongke Test Technology Limited has been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing with Registration No.: 31737 A2LA-Lab Cert. No.: 7133.01 Guangdong Asia Hongke Test Technology Limited has been accredited by…

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Page 1 of 39 Report No.: AiTSZ-260312027FW1 Note: This device has been tested and found to comply with the standard(s) listed, this 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. This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited. If there is a need to alter or revise this document, the right belongs to Guangdong Asia Hongke Test Technology Limited, and it should give a prior written notice of the revision document. This test report must not be used by the client to claim product endorsement. Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. TEST REPORT Product Name : Wireless Earphone Brand Name : N/A Model : AirBuds 16 Series Model : N/A FCC ID : 2BSW8-AIRBUDS16 Applicant : HONG KONG LELEGAO TECHNOLOGY CO.,LIMITED Address : 19H Maxgrand Plaza, No.3 Tai Yau Street, San Po Kong,Kowloon,HongKong Manufacturer : Shenzhen Doke Electronic Co., LTD Address : 801, Building3, 7th Industrial Zone, YulvCommunity, Yutang Road, Guangming District, Shenzhen.China Standard(s) : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of Receipt : Mar. 12, 2026 Date of Test : Mar. 12, 2026~ Mar. 19, 2026 Issued Date : Mar. 19, 2026 Issued By: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Tel.: +86 0755-230967639 Fax.: +86 0755-230967639 Reviewed by: Approved by: Aalen.Ye Allen Wang Page 2 of 39 Report No.: AiTSZ-260312027FW1 Report Revise Record Report Version Issued Date Notes M0 Mar. 19, 2026 Initial Release Page 3 of 39 Report No.: AiTSZ-260312027FW1 Contents 1 TEST SUMMARY ....................................................................................................................................................... 4 1.1 TEST STANDARDS ......................................................................................................................................................... 4 1.2 TEST SUMMARY ........................................................................................................................................................... 4 1.3 TEST FACILITY .............................................................................................................................................................. 5 1.4 MEASUREMENT UNCERTAINTY ........................................................................................................................................ 5 2 GENERAL INFORMATION .......................................................................................................................................... 6 2.1 ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 6 2.2 GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 6 2.3 DESCRIPTION OF TEST MODES AND TEST FREQUENCY .......................................................................................................... 7 2.4 SPECIAL ACCESSORIES ................................................................................................................................................... 8 2.5 EQUIPMENT LIST FOR THE TEST ....................................................................................................................................... 8 3 TEST CONDITIONS AND RESULTS ............................................................................................................................ 10 3.1 CONDUCTED EMISSIONS TEST ....................................................................................................................................... 10 3.2 RADIATED EMISSIONS AND BAND EDGE .......................................................................................................................... 13 3.3 MAXIMUM PEAK OUTPUT POWER................................................................................................................................. 23 3.4 20DB BANDWIDTH ..................................................................................................................................................... 24 3.5 OCCUPIED BANDWIDTH ............................................................................................................................................... 25 3.6 FREQUENCY SEPARATION ............................................................................................................................................. 26 3.7 NUMBER OF HOPPING FREQUENCY ................................................................................................................................. 27 3.8 TIME OF OCCUPANCY (DWELL TIME) .............................................................................................................................. 28 3.9 OUT-OF-BAND EMISSIONS ........................................................................................................................................... 29 3.10 PSEUDORANDOM FREQUENCY HOPPING SEQUENCE .......................................................................................................... 31 3.11 ANTENNA REQUIREMENT ............................................................................................................................................. 32 4 TEST SETUP PHOTOGRAPHS OF EUT ....................................................................................................................... 33 5 PHOTOS OF EUT .........................................…

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Address: Room 412, Building 7, Phase II, Nanshan Yungu Entrepreneurship Park, No. 2 Pingshan 1st Road, Pingshan Community, Taoyuan Subdistrict, Nanshan District, Shenzhen, Guangdong Province, P.R. China SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：1.6x 0.8 x0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF1608H1) Engineering Specification DOCUMENT YF1608H1P2G45 REV. NO. B PAGE 1 OF 10 1.6X0.8X0.5 (mm) WiFi/B luetooth Ceramic Chip Antenna (YF1608H1) Engineering Specif ication 1.Product Number 2.Features (1)Product TypeSHEN ZHEN YINGFENG ANTENNA (2)Size Code1.6x0.8x0.5mm (3)Type CodeH1 (4)PackingPaper &Reel (5)Frequency2.45GHz YF 1608 H1 P 2G45 1 2 3 4 5 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：1.6x 0.8 x0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF1608H1) Engineering Specification DOCUMENT YF1608H1P2G45 REV. NO. B PAGE 2 OF 10 *Stable and reliable in performances *Low temperature coefficient of frequency *Low profile, compact size *RoHS compliance *SMT processes compatible 3.Applications *Bluetooth earphone systems *Hand-held devices when WiFi /Bluetooth functions are needed, e.g., Smart phone. *IEEE802.11 b/g/n *ZigBee *Wireless PCMCIA cards or USB dongle 4.Description Yingfeng chip antenna series are specially designed for WiFi/Bluetooth applications. Based on yingfeng proprietary design and processes, this chip antenna has excellent stability and sensitivity to consistently provide high signal reception efficiency. 5.Electrical Specifications (40 x 40 mm 2 ground plane) 5-1. Electrical Table Characteristics Specifications Unit Outline Dimensions 1.6x0.8x0.5 mm Working Frequency 2400~2500 MHz VSWR 2 Max. Impedance 50  Polarization Linear Polarization Gain Peak 3.76(typical) dBi Efficiency 65 (typical) % 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：1.6x 0.8 x0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF1608H1) Engineering Specification DOCUMENT YF1608H1P2G45 REV. NO. B PAGE 3 OF 10 5-2. Return Loss & VSWR Return Loss (S 11 ) VSWR(S 11 ) 6.Antenna Dimensions (unit: mm) a.Antenna Dimensions 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：1.6x 0.8 x0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF1608 H1) Engineering Specification DOCUMENT YF1608H1P2G45 REV. NO. B PAGE 4 OF 10 7.Radiation Pattern (80 x 40 mm 2 ground plane) 7-1. 3D Gain Pattern @ 2442 MHz Z Y X Z X Y Y X X Y Z 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：1.6x 0.8 x0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF1608 H1) Engineering Specification DOCUMENT YF1608H1P2G45 REV. NO. B PAGE 5 OF 10 7-2. 3D Efficiency Table Frequency( MHz) 2400 2410 2420 2430 2442 2450 2460 2470 2480 2490 2500 Efficiency (dB) -1.4-1.0-0.9-0.7-0.7-0.8-0.9-1.1-1.2-1.3-1.4 Efficiency (%) 62.8 63.7 64.3 64.4 65.5 65.0 64.0 63.6 63.1 62.6 61.5 Gain (dBi) 3.52 3.58 3.65 3.75 3.76 3.52 3.49 3.29 3.08 2.7 2.5 8.Layout Guide a. Solder Land Pattern: Land pattern for soldering (gray marking areas) is as shown below. Depending on Customer’s requirement, matching circuit as shown below is also recommended. 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：1.6x 0.8 x0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF1608H1) Engineering Specification DOCUMENT YF1608H1P2G45 REV. NO. B PAGE 6 OF 10 Bottom View Unit： mm 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：1.6x 0.8 x0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF1608 H1) Engineering Specification DOCUMENT YF1608H1P2G45 REV. NO. B PAGE 7 OF 10 c. Fine tuning element vs. Center frequency 9.Soldering Conditions a.Typical Soldering Profile for Lead-free Process Time 60-180s 60-150s 20- Pre- 150-200° 217°C 260° Temperature (°C) 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：1.6x 0.8 x0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF1608H1) Engineering Specification DOCUMENT YF1608H1P2G45 REV. NO. B PAGE 8 OF 10 Packing (1) Quantity/Reel: 5000 pcs/Reel (2) Plastic tape: 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：1.6x 0.8 x0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF1608H1) Engineering Specification DOCUMENT YF1608H1P2G45 REV. NO. B PAGE 9 OF 10 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOGYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：1.6x 0.8 x0.5(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF1608 H1) Engineering Specification DOCUMENT YF1608H1P2G45 REV. NO. B PAGE 10 OF 10

Page 1 of 58 Report No.: AiTSZ-260312027FW1 Appendix RF test data for BT Page 2 of 58 Report No.: AiTSZ-260312027FW1 1. Duty Cycle 1.1 Test Result 1.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type T_on (ms) Period (ms) Duty Cycle (%) Duty Cycle Correction Factor (dB) Max. DC Variation (%) GFSK SISO 2402 DH5 2.915 3.751 77.71 1.10 0.03 2441 DH5 2.914 3.750 77.71 1.10 0.01 2480 DH5 2.913 3.749 77.70 1.10 0.01 Pi/4DQPSK SISO 2402 2DH5 2.920 3.750 77.87 1.09 0.03 2441 2DH5 2.920 3.750 77.87 1.09 0.01 2480 2DH5 2.920 3.750 77.87 1.09 0.04 8DPSK SISO 2402 3DH5 2.924 3.751 77.95 1.08 0.03 2441 3DH5 2.923 3.750 77.95 1.08 0.03 2480 3DH5 2.923 3.750 77.95 1.08 0.03 Page 3 of 58 Report No.: AiTSZ-260312027FW1 1.2 Test Graph 1.2.1 Ant1 GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 4 of 58 Report No.: AiTSZ-260312027FW1 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 5 of 58 Report No.: AiTSZ-260312027FW1 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 6 of 58 Report No.: AiTSZ-260312027FW1 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV Page 7 of 58 Report No.: AiTSZ-260312027FW1 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV Page 8 of 58 Report No.: AiTSZ-260312027FW1 2. Bandwidth 2.1 Test Result 2.1.1 OBW Mode TX Type Frequency (MHz) Packet Type ANT 99% Occupied Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.860 / Pass 2441 DH5 1 0.859 / Pass 2480 DH5 1 0.857 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.162 / Pass 2441 2DH5 1 1.162 / Pass 2480 2DH5 1 1.164 / Pass 8DPSK SISO 2402 3DH5 1 1.171 / Pass 2441 3DH5 1 1.173 / Pass 2480 3DH5 1 1.174 / Pass 2.1.2 20dB BW Mode TX Type Frequency (MHz) Packet Type ANT 20dB Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.924 / Pass 2441 DH5 1 0.926 / Pass 2480 DH5 1 0.928 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.304 / Pass 2441 2DH5 1 1.310 / Pass 2480 2DH5 1 1.307 / Pass 8DPSK SISO 2402 3DH5 1 1.294 / Pass 2441 3DH5 1 1.293 / Pass 2480 3DH5 1 1.290 / Pass Page 9 of 58 Report No.: AiTSZ-260312027FW1 2.2 Test Graph 2.2.1 OBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 10 of 58 Report No.: AiTSZ-260312027FW1 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 11 of 58 Report No.: AiTSZ-260312027FW1 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 12 of 58 Report No.: AiTSZ-260312027FW1 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV Page 13 of 58 Report No.: AiTSZ-260312027FW1 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV Page 14 of 58 Report No.: AiTSZ-260312027FW1 2.2.2 20dB BW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 15 of 58 Report No.: AiTSZ-260312027FW1 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 16 of 58 Report No.: AiTSZ-260312027FW1 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 17 of 58 Report No.: AiTSZ-260312027FW1 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV Page 18 of 58 Report No.: AiTSZ-260312027FW1 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV Page 19 of 58 Report No.: AiTSZ-260312027FW1 3. Maximum Conducted Output Power 3.1 Test Result 3.1.1 Power Mode TX Type Frequency (MHz) Packet Type Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit GFSK SISO 2402 DH5 2.21 <=30 Pass 2441 DH5 1.96 <=30 Pass 2480 DH5 2.36 <=30 Pass Pi/4DQPSK SISO 2402 2DH5 2.93 <=20.97 Pass 2441 2DH5 2.72 <=20.97 Pass 2480 2DH5 3.13 <=20.97 Pass 8DPSK SISO 2402 3DH5 3.52 <=20.97 Pass 2441 3DH5 3.32 <=20.97 Pass 2480 3DH5 3.73 <=20.97 Pass Note1: Antenna Gain: Ant1: 3.76dBi; Page 20 of 58 Report No.: AiTSZ-260312027FW1 3.2 Test Graph 3.2.1 Power GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 21 of 58 Report No.: AiTSZ-260312027FW1 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 22 of 58 Report No.: AiTSZ-260312027FW1 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 23 of 58 Report No.: AiTSZ-260312027FW1 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV Page 24 of 58 Report No.: AiTSZ-260312027FW1 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV Page 25 of 58 Report No.: AiTSZ-260312027FW1 4. Carrier Frequency Separation 4.1 Test Result 4.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Channel Separation (MHz) 20dB Bandwidth (MHz) Limit (MHz) Verdict GFSK SISO HOPP DH5 0.998 0.928 >=0.928 Pass Pi/4DQPSK SISO HOPP 2DH5 1.008 1.310 >=0.873 Pass 8DPSK SISO HOPP 3DH5 1.001 1.294 >=0.863 Pass Page 26 of 58 Report No.: AiTSZ-260312027FW1 4.2 Test Graph 4.2.1 Ant1 GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Page 27 of 58 Report No.: AiTSZ-260312027FW1 8DPSK_3DH5_HOPP_Ant1_NTNV Page 28 of 58 Report No.: AiTSZ-260312027FW1 5. Number of Hopping Frequencies 5.1 Test Result 5.1.1 HoppNum Mode TX Type Frequency (MHz) Packet Type Num of Hopping Frequencies Verdict ANT1 Limit GFSK SISO HOPP DH5 79 >=15 Pass Pi/4DQPSK SISO HOPP 2DH5 79 >=15 Pass 8DPSK SISO HOPP 3DH5 79 >=15 Pass Page 29 of 58 Report No.: AiTSZ-260312027FW1 5.2 Test Graph 5.2.1 HoppNum GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Page 30 of 58 Report No.: AiTSZ-260312027FW1 8DPSK_3DH5_HOPP_Ant1_NTNV Page 31 of 58 Report No.: AiTSZ-260312027FW1 6. Time of Occupancy (Dwell Time) 6.1 Test Result 6.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Duration of Single Pulse (ms) Observation Period (s) Num of Pulse in Observation Period Dwell Time (ms) Limit (ms) Verdict GFSK SISO HOPP DH1 0.416 31.600 320 133.120 <=400 Pass DH3 1.672 31.600 149 249.128 <=400 Pass DH5 2.922 31.600 105 306.810 <=400 Pass Pi/4DQPSK SISO HOPP 2DH1 0.422 31.600 320 135.040 <=400 Pass 2DH3 1.670 31.600 170 283.900 <=400 Pass 2DH5 2.922 31.600 111 324.342 <=400 Pass 8DPSK SISO HOPP 3DH1 0.422 31.600 319 134.618 <=400 Pass 3DH3 1.674 31.600 146 244.404 <=400 Pass 3DH5 2.926 31.600 107 313.082 <=400 Pass Page 32 of 58 Report No.: AiTSZ-260312027FW1 6.2 Test Graph 6.2.1 Ant1 G…

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Page 1 of 2 FCC ID: 2BSW8-AIRBUDS16 Page 2 of 2 FCC ID: 2BSW8-AIRBUDS16