2AOQN-YM05Media Player

Antenna test report 1 customerArashiproject Frequency bandDual-band 2.4G/5G versionV1.0 Antenna engineer Liu Yunhaidate2020.03.10 1.Testequipment Vector network analyzer AgilentE5071B Dark room OTA‐500 testerLiu Yunhai 2 2.Matching circuit E5 E1vacancy E20Ω E3vacancy E40Ω E5vacancy 3 The match has not changed, according to the motherboard original match RFCONNECT E4 E2 ANT E3 E1 GND GND GND 3.Antenna object ANT1 4 ANT2 4.WIFI 2.4G antenna gain/efficiency /3D Apple chart 5 5 6.WIFI 5.8G antenna gain/efficiency /3D Apple chart 5 6 7 Thanks!

Shenzhen Lunzn Technology CO., Ltd. (2023.01.30) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR ( Media Player / YM05 / FCC ID: 2AOQN- YM05) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name: Xinchao Li Title: Manager

Shenzhen Lunzn Technology CO., Ltd. (2023.01.30) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: Xinchao Li Title: Manager

External Photos

FCC ID LABEL: Label Location: FCC ID: 2AOQN-YM05 Model No.: YM05 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.

Internal Photos ANT 1 ANT 2

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2AOQN-YM05 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), 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 of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna,R=20cm Test Result of RF Exposure Evaluation Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result 2.4GWIFI ANT1 802.11b & 2412 12±1 13 19.9526 2.0941 (3.21dBi) 0.00832 1 Pass 2.4GWIFI ANT2 802.11b &2462 12±1 13 19.9526 2.0941 (3.21dBi) 0.00832 1 Pass 5.2GWIFI ANT1 802.11n(H T20)& 5240 12±1 13 19.9526 0.9247 (-0.34dBi) 0.00367 1 Pass 5.2GWIFI ANT2 802.11n(H T20)& 5240 12±1 13 19.9526 0.9247 (-0.34dBi) 0.00367 1 Pass 5.8GWIFI ANT1 802.11n(H T20)& 5785 12±1 13 19.9526 0.9705 (-0.13dBi) 0.00385 1 Pass 5.8GWIFI ANT2 802.11a&5 785 12±1 13 19.9526 0.9705 (-0.13dBi) 0.00385 1 Pass Tech nolo gy Tune up Produce power(dBm) Maximum Tune-up (dBm) Antenna Gain(ANT 1/ANT 2) (numeric) Power Density (S) (mW/ cm2) MPE Limit (mW/ cm2) ∑ MPE Ratio ∑ MPE Ratio Limit Result ANT 1 ANT 2 ANT 1 ANT 2 ANT 1 ANT 2 2.4G WIFI MIM O 12 ±1 12 ±1 13 13 ANT1:2.0941 (3.21dBi) ANT2:2.0941 (3.21dBi) 0.0083 2 0.0083 2 1 0.0166 1 Pass Tech nolo gy Tune up Produce power(dBm) Maximum Tune-up (dBm) Antenna Gain(ANT 1/ANT 2) (numeric) Power Density (S) (mW/ cm2) MPE Limit (mW/ cm2) ∑ MPE Ratio ∑ MPE Ratio Limit Result ANT 1 ANT 2 ANT 1 ANT 2 ANT 1 ANT 2 5G WIFI MIM O 12 ±1 12 ±1 13 13 ANT1:0.9705 (-0.13dBi) ANT2:0.9705 (-0.13dBi) 0.0038 5 0.0038 5 1 0.0077 1 Pass

Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 1 of 95 TEST REPORT Compiled by: Reviewed by: Approved by: Chen Zheng Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Media Player FCC ID: 2AOQN-YM05 Trademark: Lunzn Model Number: YM05 Prepared For: Shenzhen Lunzn Technology CO., Ltd. Address: Room606, Gangtou Development Building, No. 133 Xuegang North Road, Bantian Street, Longgang District, Shenzhen, China Manufacturer: Shenzhen Lunzn Technology CO., Ltd. Address: Room606, Gangtou Development Building, No. 133 Xuegang North Road, Bantian Street, Longgang District, Shenzhen, China Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Jan. 05, 2023 Sample tested Date: Jan. 05, 2023 to Jan. 11, 2023 Issue Date: Jan. 11, 2023 Report No.: CTB230109014RFX Test Standards 47 CFR Part 15 Subpart E Test Results PASS Remark: This is WIFI-5GHz band radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 2 of 95 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ........................................................................................................................................ 4 2. TEST SUMMARY ........................................................................................................................... 5 3. MEASUREMENT UNCERTAINTY ................................................................................................. 6 4. PRODUCT INFORMATION AND TEST SETUP ............................................................................ 7 4.1 Product Information .......................................................................................................................... 7 4.2 Test Setup Configuration .................................................................................................................. 7 4.3 Support Equipment........................................................................................................................... 7 4.5 Test Mode ........................................................................................................................................ 8 4.6 Test Environment ............................................................................................................................. 9 5. TEST FACILITY AND TEST INSTRUMENT USED ..................................................................... 10 5.1 Test Facility .................................................................................................................................... 10 5.2 Test Instrument Used ..................................................................................................................... 10 6. AC POWER LINE CONDUCTED EMISSION ............................................................................... 12 6.1 Block Diagram Of Test Setup ......................................................................................................... 12 6.2 Limit ................................................................................................................................................ 12 6.3 Test procedure ............................................................................................................................... 12 6.4 Test Result ..................................................................................................................................... 14 7. RADIATED SPURIOUS EMISSIONS ........................................................................................... 16 7.1 Block Diagram Of Test Setup ......................................................................................................... 16 7.2 Limit ................................................................................................................................................ 16 7.3 Tes t procedure ............................................................................................................................... 17 7.4 Test Result ..................................................................................................................................... 18 8. BAND EDGE ................................................................................................................................ 23 8.1 Block Diagram Of Test Setup ......................................................................................................... 23 8.2 Limit ................................................................................................................................................ 23 8.3 Test procedure ............................................................................................................................... 23 8.4 Test Result ..................................................................................................................................... 24 9. CONDUCTED PEAK OUTPUT POWER ...................................................................................... 32 9.1 Block Diagram Of Test Setup ......................................…

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Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 49 of 95 10 .4 Test Results Test mode ANT 1 Test Channel (MHz) 26dB Bandwidth (MHz) 802.11a 5180 21.263 5200 21.593 5240 21.057 802.11ac20 5180 24.732 5200 25.671 5240 21.922 802.11ac40 5190 50.611 5230 41.776 802.11ac80 5210 89.475 802.11n(HT20) 5180 24.11 5200 25.368 5240 21.746 802.11n(HT40) 5190 47.527 5230 50.025 Test mode ANT 2 Test Channel (MHz) 26dB Bandwidth (MHz) 802.11a 5180 23.887 5200 21.74 5240 21.661 802.11ac20 5180 21.452 5200 24.561 5240 21.859 802.11ac40 5190 50.309 5230 41.013 802.11ac80 5210 90.393 802.11n(HT20) 5180 21.292 5200 22.535 5240 21.872 802.11n(HT40) 5190 47.569 5230 43.059 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 50 of 95 5725-5850 MHz Test mode Ant 1 Test Channel (MHz) 6dB Bandwidth (MHz) Result 802.11a 5745 16.338 Pass 5785 16.308 Pass 5825 16.38 Pass 802.11ac(VH20) 5745 17.546 Pass 5785 17.074 Pass 5825 16.635 Pass 802.11ac(VH40) 5755 34.948 Pass 5795 35.507 Pass 802.11ac(VH80) 5775 75.237 Pass 802.11n(VH20) 5745 17.004 Pass 5785 17.336 Pass 5825 16.936 Pass 802.11n(VH40) 5755 34.146 Pass 5795 35.3 Pass Test mode Ant 2 Test Channel (MHz) 6dB Bandwidth (MHz) Result 802.11a 5745 16.342 Pass 5785 16.391 Pass 5825 16.338 Pass 802.11ac(VH20) 5745 16.981 Pass 5785 17.107 Pass 5825 17.059 Pass 802.11ac(VH40) 5755 35.352 Pass 5795 34.899 Pass 802.11ac(VH80) 5775 75.225 Pass 802.11n(VH20) 5745 17.326 Pass 5785 17.109 Pass 5825 17.561 Pass 802.11n(VH40) 5755 35.206 Pass 5795 35.461 Pass Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 51 of 95 Test Graph ANT 1 802.11a-5180 802.11a-5200 802.11a-5240 802.11n(HT20)-5180 802.11n(HT20)-5200 802.11n(HT20)-5240 802.11n(HT40)-5190 802.11n(HT40)-5230 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 52 of 95 802.11ac(VH20)-5180 802.11ac(VH20)-5200 802.11ac(VH20)-5240 802.11ac(VH40)-5190 802.11ac(VH40)-5230 802.11ac(VH80)-5210 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 53 of 95 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 54 of 95 ANT1: 5725-5 850MHz 802.11a-5745 802.11a-5785 802.11a-5825 802.11n(HT20)-5745 802.11n(HT20)-5785 802.11n(HT20)-5825 802.11n(HT40)-5755 802.11n(HT40)-5795 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 55 of 95 802.11ac(VH20)-5745 802.11ac(VH20)-5785 802.11ac(VH20)-5825 802.11ac(VH40)-5755 802.11ac(VH40)-5795 802.11ac(VH80)-5775 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 56 of 95 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 57 of 95 Test Graph ANT 2 802.11a-5180 802.11a-5200 802.11a-5240 802.11n(HT20)-5180 802.11n(HT20)-5200 802.11n(HT20)-5240 802.11n(HT40)-5190 802.11n(HT40)-5230 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 58 of 95 802.11ac(VH20)-5180 802.11ac(VH20)-5200 802.11ac(VH20)-5240 802.11ac(VH40)-5190 802.11ac(VH40)-5230 802.11ac(VH80)-5210 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 59 of 95 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 60 of 95 ANT2: 5725-5850MHz 802.11a-5745 802.11a-5785 802.11a-5825 802.11ac(VH20)-5745 802.11ac(VH20)-5785 802.11ac(VH20)-5825 802.11ac(VH40)-5755 802.11ac(VH40)-5795 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 61 of 95 802.11n(HT20)-5745 802.11n(HT20)-5785 802.11n(HT20)-5825 802.11n(HT40)-5755 802.11n(HT40)-5795 802.11ac(HT80)-5775 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 62 of 95 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230109014RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab. net Page 63 of 95 11. POWER SPECTRAL DENSITY 11.1 Block Diagram Of Test Setup 11.2 Limit (1) For the band 5.15-5.25 GHz. (iv) For mobile and portable client devices in the 5.15-5.25 GHz band, the maximum conducted output power over the frequency band of operation shall not exceed 250 mW provided the maximum antenna gain does not exce ed 6 dBi. In addition, the maximum power spectral density shall not exceed 11 dBm in any 1 megahertz band. If transmitting antennas of directional gain greater than 6 dBi are used, both the maximum conducted output power and the maximum power spectral density shall be reduced by the amount in dB that the directional gain of the antenna exceeds 6 dBi. (2) For the 5.25-5.35 GHz and 5.47-5.725 GHz bands, the maximum conducted output power over the frequency bands of operation shall not exceed the lesser of 250 mW or 11 dBm + 10 log B, where B is the 26 dB emission bandwidth in megahertz. In addition, the maximum power spectral density shall not exceed 11 dBm in any 1 megahertz band. If transmitting antennas of directional gain greater than 6 dBi are used, both the maximum conducted output power and the maximum power spectral density shall be reduced by the amount in dB that the directional gain of the antenna exceeds 6 dBi. (3) For the band 5.725-5.85 GHz, the maximum conducted output power over the frequency band of operation shall not exceed 1 W. In addition, the maximum power spectral density shall not exceed 30 dB…

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Radiated Emission Below 1G Above 1G Conducted emissions