2BSPN-KD25G4Earbuds Ball

TWS EARBUDS FCC Caution. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -Reorient or relocate the receiving antenna. -Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. * RF warning for Portable device: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

Local Representative Letter For Certification Service in the USA Federal Communications 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)(7), of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2BSPN-KD25G4 KD25G4 We hereby acknowledge as follows: i. both signees confirm that the point of contact accepts responsibility to act as a US- American Representative on behalf of the applicant ii. the point of contact provides the physical U.S. address and email as listed below iii. both parties maintain the requirements of this agreement 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. iv. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. US-American Point of Contact Applicant/Approval Holder Signature Date: 2025-11-19 Signature Date: 2025-11-19 Company Name: GLOCERTS TECHNOLOGY INC KDYNIX LIMITED FRN: 0036339737 0037579760 Contact Name: Huiying Fan Kevin Liao Address: 19784 SUNKISSED RIDGE DR, RIVERSIDE, CA 92507 Room 1508, 15/F, Phase 2 Office Building, Yalan Centre, 625 Nathan Road, Mong Kok, Hong Kong, China Phone: (626) 588-8039 13392170091 Email: [email protected] [email protected]

FCC ID: 2BSPN-KD25G4 External Photos FCC ID: 2BSPN-KD25G4 FCC ID: 2BSPN-KD25G4 FCC ID: 2BSPN-KD25G4

FCC ID：2BSPN-KD25G4

FCC ID: 2BSPN-KD25G4 Internal photos Antenna FCC ID: 2BSPN-KD25G4

Page 1 of 7 Report No.: AiTSZ-251013027FW3 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 : Earbuds Ball Brand Name : KDYNIX Model : KD25G4 Series Model : N/A FCC ID : 2BSPN-KD25G4 Applicant : KDYNIX LIMITED Address : Room 1508, 15/F, Phase 2 Office Building, Yalan Centre, 625 Nathan Road, Mong Kok, Hong Kong. Manufacturer : Shenzhen Kechuanghui Electronic Technology Co., Ltd. Address : C161, 4th floor, Lianhui Building, No. 5, Xingong Village, Sanlian Community, Longhua Street, Longhua District, Shenzhen. Standard(s) : 47CFR §1.1310, 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Date of Receipt : Oct. 13, 2025 Date of Test : Oct. 13, 2025~ Oct. 17, 2025 Issued Date : Oct. 18, 2025 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-251013027FW3 Report Revise Record Report Version Issued Date Notes M0 Oct. 18, 2025 Initial Release Page 3 of 7 Report No.: AiTSZ-251013027FW3 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-251013027FW3 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: Earbuds Ball Model/Type reference: KD25G4 Serial Model: N/A Rating: Charging Case: Input: USB DC 5.0V 1A 3.7V by Rechargeable Li-ion battery Earphones: Input: Contact PIN DC 5.0V 3.7V by Rechargeable Li-ion battery Hardware Version: W17-AD7003D-ER03D-V1 Software Version: V1.3.8 Sample(s) Status: AiTSZ-251013027-1(Normal sample) AiTSZ-251013027-2(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: 2.70dBi Bluetooth LE: Supported type: Bluetooth LE 1M Modulation: GFSK Operation frequency: 2402MHz~2480MHz Channel number: 40 Channel separation: 2MHz Antenna type: Ceramic antenna Antenna gain: 2.70dBi 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-251013027FW3 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 C…

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Page 1 of 36 Report No.: AiTSZ-251013027FW1 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 : Earbuds Ball Brand Name : KDYNIX Model : KD25G4 Series Model : N/A FCC ID : 2BSPN-KD25G4 Applicant : KDYNIX LIMITED Address : Room 1508, 15/F, Phase 2 Office Building, Yalan Centre, 625 Nathan Road, Mong Kok, Hong Kong. Manufacturer : Shenzhen Kechuanghui Electronic Technology Co., Ltd. Address : C161, 4th floor, Lianhui Building, No. 5, Xingong Village, Sanlian Community, Longhua Street, Longhua District, Shenzhen. Standard(s) : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of Receipt : Oct. 13, 2025 Date of Test : Oct. 13, 2025~ Oct. 17, 2025 Issued Date : Oct. 18, 2025 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 36 Report No.: AiTSZ-251013027FW1 Report Revise Record Report Version Issued Date Notes M0 Oct. 18, 2025 Initial Release Page 3 of 36 Report No.: AiTSZ-251013027FW1 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 ................................................................................................................................. 20 3.4 20DB BANDWIDTH ..................................................................................................................................................... 21 3.5 OCCUPIED BANDWIDTH ............................................................................................................................................... 22 3.6 FREQUENCY SEPARATION ............................................................................................................................................. 23 3.7 NUMBER OF HOPPING FREQUENCY ................................................................................................................................. 24 3.8 TIME OF OCCUPANCY (DWELL TIME) .............................................................................................................................. 25 3.9 OUT-OF-BAND EMISSIONS ........................................................................................................................................... 26 3.10 PSEUDORANDOM FREQUENCY HOPPING SEQUENCE .......................................................................................................... 28 3.11 ANTENNA REQUIREMENT ............................................................................................................................................. 29 4 TEST SETUP PHOTOGRAPHS OF EUT .................................................................................................................... 30 5 PHOTOS OF EUT ......................…

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SymbolsLWTA Dimensions1.60±0.200.80±0.200.80±0.200.30±0.10 NumberTerminal Name ① INPUT ② NC Dimensions（Unit：mm） L w ① ② T ( Side View ) ( Bottom View ) ( Top View ) A Features 1.Surface Mounted Devices with a small dimension of 1.6 x 0.8 x 0.8 mm meet future miniaturization trend. 2,Embedded and LTCC (low temperature co-fired ceramic) technology is able to integrate with system design as well as beatifying the housing of final product. 3.High stability and low tolerance. Applications 1. Bluetooth 2. Wireless LAN 3. ISM band 2.4GHz wireless applications Shenzhen Helixun Technology Co., Ltd. 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905 Address: Room 1905, Building 2, Jiufang Plaza, Tiezi Road, Gongle Community, Xixiang Sub-district, Bao'an District, Shenzhen City TEL: 0755-23591525, FAX: 0755-23591525 Evaluation Board and Matching Circuits P/N: H LX16 0 8 0 8 D 0 6 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905 TEL: 0755-23591525, FAX: 0755-23591525 P/N: H LX16 0 8 0 8 D 0 6 S11-Parameter Frequency(MHz)2400245024802500 VSWR1.561.161.481.79 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905 TEL: 0755-23591525, FAX: 0755-23591525 Radiation Pattern coordinates： Y-Z Plane X-Z Plane P/N: H LX16 0 8 0 8 D 0 6 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905 TEL: 0755-23591525, FAX: 0755-23591525 X-Y Plane Frequency2400MHz2450MHz2490MHz Avg. gain1.300.930.45 Peak gain2.72.62.5 Efficiency57%54%53% P/N: H L X16 0 8 0 8 D 0 6 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905 TEL: 0755-23591525, FAX: 0755-23591525 Temperature：40±2°C Humidity：90~95%RH Duration：500h Recovery conditions：Room temperature Recovery Time：24h (Class1) or 48h (Class2) Solderability At least 95% of the terminal electrode is covered by new solder.Preheating conditions:80 to 120°C; 10~30s. SolderTemperature:235± 5°C Duration:2 ±0.5s , SolderTemperature:245±5°C Duration:2±0.5s Optimum Solder Amount for Reflow Soldering Operating Temperature Temperature Relative Humidity Moisture Proof -25°C~+85°C 5~40°C 20~70% Too much solderCracks tend to occur due to large stress. Not enough solder Weak holding force may cause bad connection between the capacitor and PCB. Recommended Soldering amounts The optimal solder fillet amounts for re-flow soldering 天线厚度 以下 The optimal solder fillet amounts for wave soldering P/N: H LX16 0 8 0 8 D 0 6 Dependability Test Test Temperature: 25°C±3°C 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905 TEL: 0755-23591525, FAX: 0755-23591525 Resistanceto SolderingHeat Preheating80 to 120°C; 10~30s.SolderTemperature:235±5°C Duration:2±0.5s，SolderTemperature:245±5°C Duration:2±0.5s，Preheating100to200°C;10±2min. Solder Temperature: 265±5°C Duration: 10±1s Clean the capacitor with solvent and examine it with a 10X(min.) microscope. Recovery Time: 24±2h Recovery condition: Room temperature Resistance to Flexure of Substrate Test Board: Al2O3 or PCB Warp: 1mm Speed: 0.5mm/sec. Unit: mm The measurement should be made with the board in the bending position. P/N: H LX16 0 8 0 8 D 0 6 Temperature Cycle Test 10±1S Applied Force: 5NDuration: 10±1S Preheating conditions: up-category temperature, 1h Recovery time: 24±1h Initial Measurement Cycling Times: 5 times, 1 cycle, 4 steps: 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905 TEL: 0755-23591525, FAX: 0755-23591525 While in preheating,please keep the temperature difference between soldering temperature and surface temperature of chips as: T≤150°C. P/N: H LX16 0 8 0 8 D 0 6 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905 TEL: 0755-23591525, FAX: 0755-23591525 Dimensions of paper taping for 0603types Reel（4000 pcs/Reel） Storage Period The guaranteed period for solderability is 6 months (Under deliver package condition).Temperature5~40°C /Relative Humidity20~70% P/N: H LX16 0 8 0 8 D 0 6 Unit：mm 地址：深圳市宝安区西乡街道共乐社区铁仔路九方广场2栋1905 TEL: 0755-23591525, FAX: 0755-23591525

Page 1 of 16 Report No.: AiTSZ-251013027FW1 Duty Cycle Test Result Modulation Packets Channel On Time (ms) Period (ms) Duty Cycle (%) Duty Cycle (linear) Duty Cycle Factor (dB) 1/T GFSK DH5 0 2.886 3.748 77.00 0.7700 1.1351 0.3465 39 2.886 3.748 77.00 0.7700 1.1351 0.3465 78 2.886 3.748 77.00 0.7700 1.1351 0.3465 π/4DQPSK 2-DH5 0 2.892 3.748 77.16 0.7716 1.1261 0.3458 39 2.890 3.748 77.11 0.7711 1.1289 0.3460 78 2.892 3.748 77.16 0.7716 1.1261 0.3458 8DPSK 3-DH5 0 2.894 3.748 77.21 0.7721 1.1233 0.3455 39 2.894 3.748 77.21 0.7721 1.1233 0.3455 78 2.892 3.748 77.16 0.7716 1.1261 0.3458 Test Graphs GFSK(DH5)_Channel 0 GFSK(DH5)_Channel 39 GFSK(DH5)_Channel 78 π/4DQPSK(2-DH5)_Channel 0 Page 2 of 16 Report No.: AiTSZ-251013027FW1 π/4DQPSK(2-DH5)_Channel 39 π/4DQPSK(2-DH5)_Channel 78 8DPSK(3-DH5)_Channel 0 8DPSK(3-DH5)_Channel 39 8DPSK(3-DH5)_Channel 78 Page 3 of 16 Report No.: AiTSZ-251013027FW1 Conducted Output Power Test Result Modulation Packet Type Channel Peak Output Power (dBm) Limit (dBm) Result GFSK DH5 0 3.90 ≤30 PASS 39 3.58 PASS 78 2.92 PASS π/4DQPSK 2-DH5 0 4.49 ≤20.97 PASS 39 4.21 PASS 78 3.65 PASS 8DPSK 3-DH5 0 4.81 PASS 39 4.47 PASS 78 3.94 PASS Test Graphs Peak Output Power GFSK_Channel 0 Peak Output Power GFSK_Channel 39 Peak Output Power GFSK_Channel 78 Peak Output Power π/4DQPSK_Channel 0 Page 4 of 16 Report No.: AiTSZ-251013027FW1 Peak Output Power π/4DQPSK_Channel 39 Peak Output Power π/4DQPSK_Channel 78 Peak Output Power 8DPSK_Channel 0 Peak Output Power 8DPSK_Channel 39 Peak Output Power 8DPSK_Channel 78 Page 5 of 16 Report No.: AiTSZ-251013027FW1 20dB Bandwidth Test Result Modulation Channel Center Frequency (MHz) 20 dB Bandwidth (MHz) GFSK 0 2402 MHz 1.010 39 2441 MHz 1.020 78 2480 MHz 1.030 π/4DQPSK 0 2402 MHz 1.310 39 2441 MHz 1.310 78 2480 MHz 1.320 8DPSK 0 2402 MHz 1.300 39 2441 MHz 1.300 78 2480 MHz 1.300 Test Graphs GFSK_DH5_Channel 0 GFSK_DH5_Channel 39 GFSK_DH5_Channel 78 π/4DQPSK_2-DH5_Channel 0 π/4DQPSK_2-DH5_Channel 39 π/4DQPSK_2-DH5_Channel 78 Page 6 of 16 Report No.: AiTSZ-251013027FW1 8DPSK_3-DH5_Channel 0 8DPSK_3-DH5_Channel 39 8DPSK_3-DH5_Channel 78 Page 7 of 16 Report No.: AiTSZ-251013027FW1 Carrier Frequencies Separation Test Result Modulation Packet Left Center frequency (MHz) Right Center frequency (MHz) Hopping Frequency Separation (MHz) Limit (MHz) Result GFSK DH5 2440.0293 2441.193 1.1637 0.99 PASS π/4DQPSK 2-DH5 2439.8728 2440.8787 1.0059 0.99 PASS 8DPSK 3-DH5 2440.0351 2441.1866 1.1515 0.99 PASS Test Graphs GFSK π/4DQPSK 8DPSK Page 8 of 16 Report No.: AiTSZ-251013027FW1 Number Of Hopping Channel Test Result Modulation Packet Number of Hopping Channel Limit Result GFSK DH5 79 15 PASS π/4DQPSK 2-DH5 79 15 PASS 8DPSK 3-DH5 79 15 PASS Test Graphs Low End Spectrum Channel Hopping Plot GFSK High End Spectrum Channel Hopping Plot GFSK Low End Spectrum Channel Hopping Plot π/4DQPSK High End Spectrum Channel Hopping Plot π/4DQPSK Low End Spectrum Channel Hopping Plot 8DPSK High End Spectrum Channel Hopping Plot 8DPSK Page 9 of 16 Report No.: AiTSZ-251013027FW1 Dwell Time Test Result Modulation Packet Channel Pulse Width (ms) Number of Pulses in 31.6 seconds Dwell Time (ms) Limit (ms) Result GFSK DH1 Hopping 0.3828 313 119.82 < 400 PASS DH3 1.632 154 251.33 PASS DH5 2.896 100 289.6 PASS π/4DQPSK 2-DH1 0.3912 313 122.45 PASS 2-DH3 1.632 158 257.86 PASS 2-DH5 2.896 119 344.62 PASS 8DPSK 3-DH1 0.3912 315 123.23 PASS 3-DH3 1.632 154 251.33 PASS 3-DH5 2.896 111 321.46 PASS Test Graphs Pulse Width GFSK_DH1 Number of Pulses in 31.6 seconds GFSK_DH1 Pulse Width GFSK_DH3 Number of Pulses in 31.6 seconds GFSK_DH3 Page 10 of 16 Report No.: AiTSZ-251013027FW1 Pulse Width GFSK_DH5 Number of Pulses in 31.6 seconds GFSK_DH5 Pulse Width π/4DQPSK_2-DH1 Number of Pulses in 31.6 seconds π/4DQPSK_2-DH1 Pulse Width π/4DQPSK_2-DH3 Number of Pulses in 31.6 seconds π/4DQPSK_2-DH3 Pulse Width π/4DQPSK_2-DH5 Number of Pulses in 31.6 seconds π/4DQPSK_2-DH5 Page 11 of 16 Report No.: AiTSZ-251013027FW1 Pulse Width 8DPSK_3-DH1 Number of Pulses in 31.6 seconds 8DPSK_3-DH1 Pulse Width 8DPSK_3-DH3 Number of Pulses in 31.6 seconds 8DPSK_3-DH3 Pulse Width 8DPSK_3-DH5 Number of Pulses in 31.6 seconds 8DPSK_3-DH5 Page 12 of 16 Report No.: AiTSZ-251013027FW1 Conducted Out Of Band Emission Test Result Non-Hopping Modulation Packet Channel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) Over Limit (dB) Result GFSK DH5 0 2400.00 -49.560 -16.34 -33.220 PASS 4804.26 -45.757 -16.34 -29.417 PASS 39 1746.06 -33.675 -16.59 -17.085 PASS 78 1754.18 -41.561 -17.27 -24.291 PASS 2483.50 -59.820 -17.27 -42.550 PASS π/4DQPSK 2-DH5 0 2400.00 -46.060 -16.26 -29.800 PASS 2593.79 -46.462 -16.26 -30.202 PASS 39 1754.18 -40.655 -16.56 -24.095 PASS 78 1746.69 -33.338 -17.19 -16.148 PASS 2483.50 -59.010 -17.19 -41.820 PASS 8DPSK 3-DH5 0 2400.00 -45.840 -16.22 -29.620 PASS 4804.26 -47.702 -16.22 -31.482 PASS 39 4882.30 -48.221 -16.71 -31.511 PASS 78 2287.91 -45.344 -17.25 -28.094 PASS 2483.50 -54.700 -17.25 -37.450 PASS Hopping Modulation Packet Channel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) Over Limit (dB) Result GFSK DH5 Hopping 2382.10 -52.443 -16.23 -36.213 PASS 2400.00 -54.170 -16.23 -37.940 PASS 2483.50 -59.080 -17.11 -41.970 PASS π/4DQPSK 2-DH5 2400.00 -50.080 -16.24 -33.840 PASS 2483.50 -58.500 -17.08 -41.420 PASS 8DPSK 3-DH5 2400.00 -49.090 -16.43 -32.660 PASS 2483.50 -58.140 -17.21 -40.930 PASS Page 13 of 16 Report No.: AiTSZ-251013027FW1 Test Graphs Out Of Band Emission GFSK_DH5_Channel 0 Out Of Band Emission π/4DQPSK_2-DH5_Channel 0 30.0 MHz - 25000.0 MHz GFSK_DH5_Channel 0 30.0 MHz - 25000.0 MHz π/4DQPSK_2-DH5_Channel 0 Out Of Band Emission GFSK_DH5_Channel 39 Out Of Band Emission π/4DQPSK_2-DH5_Channel 39 Page 14 of 16 Report No.: AiTSZ-251013027FW1 30.0 MHz - 25000.0 MHz GFSK_DH5_Channel 39 30.0 MHz - 25000.0 MHz π/4DQPSK_2-DH5_Channel 39 Out Of Band Emission GFSK_DH5_Channel 78 Out Of Band Emission π/4DQPSK_2-DH5_Channel 78 30.0 MHz - 25000.0 MHz GFSK_DH…

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FCC ID: 2BSPN-KD25G4 FCC ID: 2BSPN-KD25G4