SVC-C399Hybrid Digital DAC Amplifier

Owner’s Manual ENGLISH Hybrid Digital DAC Amplifier © NAD C 399 ® C 399 ENGLISH 2 • Read instructions - All the safety and operating instructions should be read before the product is operated. • Retain instructions - The safety and operating instructions should be retained for future reference. • Heed Warnings - All warnings on the product and in the operating instructions should be adhered to. • Follow Instructions - All operating and use instructions should be followed. • Cleaning - Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning. • Attachments - Do not use attachments not recommended by the product manufacturer as they may cause hazards. • Water and Moisture - Do not use this product near water-for example, near a bath tub, wash bowl, kitchen sink, or laundry tub; in a wet basement; or near a swimming pool; and the like. • Accessories - Do not place this product on an unstable cart, stand, tripod, bracket, or table. The product may fall, causing serious injury to a child or adult and serious damage to the product. Use only with a cart, stand, tripod, bracket, or table recommended by the manufacturer, or sold with the product. Any mounting of the product should follow the manufacturer’s instructions, and should use a mounting accessory recommended by the manufacturer. • Cart - A product and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the product and cart combination to overturn. • Ventilation - Slots and openings in the cabinet are provided for ventilation to ensure reliable operation of the product and to protect it from overheating. These openings must not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug, or other similar surface. This product should not be placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer’s instructions have been adhered to. • Power Sources - This product should be operated only from the type of power source indicated on the marking label and connected to a MAINS socket outlet with a protective earthing connection. If you are not sure of the type of power supply to your home, consult your product dealer or local power company. • Power–Cord Protection - Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the product. • Mains Plug - Where the mains plug or an appliance coupler is used as the disconnect device, the disconnect device shall remain readily operable. • Outdoor Antenna Grounding - If an outside antenna or cable system is connected to the product, be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built-up static charges. Article 810 of the National Electrical Code, ANSI/NFPA 70, provides information with regard to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection to grounding electrodes, and requirements for the grounding electrode. • Lightning - For added protection for this product during a lightning storm, or when it is left unattended and unused for long periods of time, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the product due to lightning and power-line surges. • Power Lines - An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits, or where it can fall into such power lines or circuits. When installing an outside antenna system, extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal. • Overloading - Do not overload wall outlets, extension cords, or integral convenience receptacles as this can result in a risk of fire or electric shock. • Flame Sources - No naked flame sources, such as lighted candles, should be placed on the product. • Object and Liquid Entry - Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short-out parts that could result in a fire or electric shock. Never spill liquid of any kind on the product. • Headphones - Excessive sound pressure form earphones and headphones can cause hearing loss. • Damage Requiring Service - Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions: – When the power-supply cord or plug is damaged. – If liquid has been spilled, or objects have fallen into the product. – If the product has been exposed to rain or water. – If the product does not operate normally by following the operating instructions. Adjust only those controls that are covered by the operating instructions as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to its normal operation. – If the product has been dropped or damaged in any way. – When the product exhibits a distinct change in performance-this indicates a need for service. • Replacement Parts - When replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock, or other hazards. • Battery Disposal - When disposing of used batteries, please comply with governmental regulations or environmental public instruction’s rules that apply in your country or area. • Safety Check - Upon completion of any service or repairs to this product, ask the service techn…

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Lenbrook Industries Limited 633 Granite Court, Pickering, Ontario L1W 3K1 (905) 831-6333 Fax: (905) 831-6936 Declaration of Conformity Federal Communications Commission Authorization and Evaluation Division F F C C C C I I D D : : S S V V C C - - C C 3 3 9 9 9 9 Please be notified that we, the undersigned, Lenbrook Industries Limited declares that the product which bears the above FCC ID is also compliant with the FCC requirements for sDOC. And the sDOC procedure shall be carried out prior to marketing the device in the US. Sincerely, _________________ Name: T T a a r r e e s s h h V V a a d d g g a a m m a a Title: V V P P , , P P r r o o d d u u c c t t D D e e v v e e l l o o p p m m e e n n t t & & M M a a n n u u f f a a c c t t u u r r i i n n g g Email: t t v v a a d d g g a a m m a a @ @ l l e e n n b b r r o o o o k k . . c c o o m m Date: 2 2 0 0 2 2 2 2 / / 7 7 / / 1 1 2 2

Lenbrook Industries Limited 633 Granite Court, Pickering, Ontario L1W 3K1 (905) 831-6333 Fax: (905) 831-6936 Confidentiality Request Letter Federal Communications Commission Authorization and Evaluation Division FCC ID: SVC-C399 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: 1. Block Diagram 2. Schematics 3. Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Name: Taresh Vadgama Title: VP, Product Development & Manufacturing Email: [email protected] Date: 2022/7/12

Lenbrook Industries Limited 633 Granite Court, Pickering, Ontario L1W 3K1 (905) 831-6333 Fax: (905) 831-6936 Declaration of Authorization We Name: Lenbrook Industries Limited Address: 633 Granite Court, Pickering, Ontario L1W 3K1, Canada Declare that: Name Representative of agent: Marlin Chen Agent Company name: MRT Technology (Suzhou) Co., Ltd Address: D8 Building, Youxin Industrial Park, No.2 Tian'edang Rd., Wuzhong Economic Development Zone City: Suzhou Country: China is authorized to apply for Certification of the following product(s): Product: Hybrid Digital DAC Amplifier FCC ID: SVC-C399 Model No.: C 399 Sincerely, Name: T T a a r r e e s s h h V V a a d d g g a a m m a a Title: V V P P , , P P r r o o d d u u c c t t D D e e v v e e l l o o p p m m e e n n t t & & M M a a n n u u f f a a c c t t u u r r i i n n g g Email: t t v v a a d d g g a a m m a a @ @ l l e e n n b b r r o o o o k k . . c c o o m m Date: 2 2 0 0 2 2 2 2 / / 7 7 / / 1 1 2 2

Report No.: 2203RSU026-UE 1 of 7 External Photograph (1) EUT Photo (2) EUT Photo Report No.: 2203RSU026-UE 2 of 7 (3) EUT Photo (4) EUT Photo Report No.: 2203RSU026-UE 3 of 7 (5) EUT Photo (6) EUT Photo Report No.: 2203RSU026-UE 4 of 7 (7) EUT Photo (8) EUT Photo Report No.: 2203RSU026-UE 5 of 7 (9) EUT Photo (10) EUT Photo Report No.: 2203RSU026-UE 6 of 7 (11) EUT Photo (Bluetooth Antenna) (12) EUT Photo (Bluetooth Antenna) Report No.: 2203RSU026-UE 7 of 7 (13) EUT Photo

C399 C399 Poppy Ben 2022/06/29 63-3-114901-1E HS40-1149-B12V1-SR03E REV E 1:1 Checked by Group Leader Checked Compliance/ME Manager B C DRD17B-20220100110 2021/03/15 2021/03/25 2021/05/21 2022/01/12 RD17B-202103299 RD17B-202105295 Change Text “Speakers A” into “SPeakers”. Deleted “Speakers B” Change Text “Speakers A” into “SPeakers”. Deleted “Speakers B” ARCeARC/RS232 ERD17-20220600140 2022/06/10 Lydia / MAC Address:

Report No.: 2203RSU026-UE 1 of 24 Internal Photograph (1) EUT Photo (2) EUT Photo Report No.: 2203RSU026-UE 2 of 24 (3) EUT Photo (4) EUT Photo Report No.: 2203RSU026-UE 3 of 24 (5) EUT Photo (6) EUT Photo Report No.: 2203RSU026-UE 4 of 24 (7) EUT Photo (8) EUT Photo Report No.: 2203RSU026-UE 5 of 24 (9) EUT Photo (10) EUT Photo Report No.: 2203RSU026-UE 6 of 24 (11) EUT Photo (12) EUT Photo Report No.: 2203RSU026-UE 7 of 24 (13) EUT Photo (14) EUT Photo Report No.: 2203RSU026-UE 8 of 24 (15) EUT Photo (16) EUT Photo Report No.: 2203RSU026-UE 9 of 24 (17) EUT Photo (18) EUT Photo Report No.: 2203RSU026-UE 10 of 24 (19) EUT Photo (20) EUT Photo Report No.: 2203RSU026-UE 11 of 24 (21) EUT Photo (22) EUT Photo Report No.: 2203RSU026-UE 12 of 24 (23) EUT Photo (24) EUT Photo Report No.: 2203RSU026-UE 13 of 24 (25) EUT Photo (26) EUT Photo Report No.: 2203RSU026-UE 14 of 24 (27) EUT Photo (28) EUT Photo Report No.: 2203RSU026-UE 15 of 24 (29) EUT Photo (30) EUT Photo Report No.: 2203RSU026-UE 16 of 24 (31) EUT Photo (32) EUT Photo Report No.: 2203RSU026-UE 17 of 24 (33) EUT Photo (34) EUT Photo Report No.: 2203RSU026-UE 18 of 24 (35) EUT Photo (36) EUT Photo Report No.: 2203RSU026-UE 19 of 24 (37) EUT Photo (38) EUT Photo Report No.: 2203RSU026-UE 20 of 24 (39) EUT Photo (40) EUT Photo Report No.: 2203RSU026-UE 21 of 24 (41) EUT Photo (42) EUT Photo Report No.: 2203RSU026-UE 22 of 24 (43) EUT Photo (44) EUT Photo Report No.: 2203RSU026-UE 23 of 24 (45) EUT Photo (46) EUT Photo Report No.: 2203RSU026-UE 24 of 24 (47) EUT Photo (48) EUT Photo

MRT Technology (Suzhou) Co., Ltd Report No.: 2203RSU026-U2 Phone: +86-512-66308358 Report Version: V01 Web: www.mrt-cert.com Issue Date: 2022-08-01 Template Version:0.0 1 of 10 RF Exposure Evaluation Declaration FCC ID: SVC-C399 Applicant: Lenbrook Industries Limited Product: Hybrid Digital DAC Amplifier Model No.: C 399 Brand Name: NAD FCC Classification: FCC Part 15 Spread Spectrum Transmitter (DSS) FCC Rule Part(s): FCC Part 2.1091 Result: Complies Reviewed By: Kevin Guo Approved By: Robin Wu The test results relate only to the samples tested. The test results shown in the test report are traceable to the national/international standards through the calibration of the equipment and evaluated measurement uncertainty herein. The test report shall not be reproduced except in full without the written approval of MRT Technology (Suzhou) Co., Ltd. Report No.: 2203RSU026-U2 2 of 10 Revision History Report No. Version Description Issue Date Note 2203RSU026-U2 Rev. 01 Initial Report 2022-08-01 Valid Report No.: 2203RSU026-U2 3 of 10 CONTENTS Description Page 1. General Information ................................................................................................................................ 4 1.1. Applicant ........................................................................................................................................ 4 1.2. Manufacturer ................................................................................................................................. 4 1.3. Testing Facility ............................................................................................................................... 4 1.4. Product Information ....................................................................................................................... 5 1.5. Radio Specification ....................................................................................................................... 5 1.6. Applied Standards ......................................................................................................................... 5 2. RF Exposure Evaluation ......................................................................................................................... 6 2.1. Test Limits ..................................................................................................................................... 6 2.1. MPE Exemptions ........................................................................................................................... 7 2.2. Calculated Result ........................................................................................................................ 10 Report No.: 2203RSU026-U2 4 of 10 1. General Information 1.1. Applicant Lenbrook Industries Limited 633 Granite Court, Pickering, L1W 3K1, Canada 1.2. Manufacturer Lenbrook Industries Limited 633 Granite Court, Pickering, L1W 3K1, Canada 1.3. Testing Facility Test Site – MRT Suzhou Laboratory Laboratory Location (Suzhou - Wuzhong) D8 Building, No.2 Tian’edang Rd., Wuzhong Economic Development Zone, Suzhou, China Laboratory Location (Suzhou - SIP) 4b Building, Liando U Valley, No.200 Xingpu Rd., Shengpu Town, Suzhou Industrial Park, China Laboratory Accreditations A2LA: 3628.01 CNAS: L10551 FCC: CN1166 ISED: CN0001 VCCI: R-20025 G-20034 C-20020 T-20020 R-20141 G-20134 C-20103 T-20104 Test Site – MRT Shenzhen Laboratory Laboratory Location (Shenzhen) 1G, Building A, Junxiangda Building, Zhongshanyuan Road West, Nanshan District, Shenzhen, China Laboratory Accreditations A2LA: 3628.02 CNAS: L10551 FCC: CN1284 ISED: CN0105 Test Site – MRT Taiwan Laboratory Laboratory Location (Taiwan) No. 38, Fuxing 2nd Rd., Guishan Dist., Taoyuan City 333, Taiwan (R.O.C.) Laboratory Accreditations TAF: L3261-190725 FCC: 291082, TW3261 ISED: TW3261 Report No.: 2203RSU026-U2 5 of 10 1.4. Product Information Product Name Hybrid Digital DAC Amplifier Model No. C 399 Bluetooth Specification v5.0 single mode for BR/EDR Working Voltage AC 100-120V/220-240V ~ 50/60Hz Remark: The information of EUT was provided by the manufacturer, and the accuracy of the information shall be the responsibility of the manufacturer. 1.5. Radio Specification Operating Frequency 2402~2480MHz Channel Number 79 Type of modulation GFSK, Pi/4 DQPSK, 8DPSK Data Rate 1Mbps, 2Mbps, 3Mbps Antenna Type Dipole Antenna Antenna Gain 2.0 dBi 1.6. Applied Standards According to the specifications of the manufacturer, the EUT must comply with the requirements of the following standards: ⚫ FCC Part 2.1091 & KDB 447498 D04 Interim General RF Exposure Guidance v01 Report No.: 2203RSU026-U2 6 of 10 2. RF Exposure Evaluation 2.1. Test Limits According to FCC §1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in §1.1307(b) Limits For Maximum Permissible Exposure (MPE) Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Average Time (Minutes) (A) Limits for Occupational/ Control Exposures 0.3-3.0 614 1.63 *(100) ≤6 3.0-30 1842/f 4.89/f *(900/f 2 ) <6 30-300 61.4 0.163 1.0 <6 300-1,500 -- -- f/300 <6 1,500-100,000 -- -- 5 <6 (B) Limits for General Population/ Uncontrolled Exposures 0.3-1.34 614 1.63 *(100) <30 1.34-30 824/f 2.19/f *(180/f 2 ) <30 30-300 27.5 0.073 0.2 <30 300-1,500 -- -- f/1500 <30 1,500-100,000 -- -- 1.0 <30 f= frequency in MHz. * = Plane-wave equivalent power density. Report No.: 2203RSU026-U2 7 of 10 2.1. MPE Exemptions For single RF sources (i.e., any single fixed RF source, mobile device, or portable device, as defined in paragraph §1.1307(b)(2) of this section): A single RF source is exempt if: (Option A) The available maximum time-averaged power is no more than 1 mW, regardless of separation distance. This exemption may not be used in conjunction with other exemption criteria other than those in paragraph…

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MRT Technology (Suzhou) Co., Ltd Report No.: 2203RSU026-U1 Phone: +86-512-66308358 Report Version: V01 Web: www.mrt-cert.com Issue Date: 2022-07-26 Template Version:0.0 1 of 84 RF MEASUREMENT REPORT FCC ID: SVC-C399 Applicant: Lenbrook Industries Limited Product: Hybrid Digital DAC Amplifier Model No.: C 399 Brand Name: NAD FCC Classification: FCC Part 15 Spread Spectrum Transmitter (DSS) FCC Rule Part(s): Part15 Subpart C (Section 15.247) Result: Complies Test Date: 2022-03-10 ~ 2022-03-21 Reviewed By: Kevin Guo Approved By: Robin Wu The test results relate only to the samples tested. The test results shown in the test report are traceable to the national/international standards through the calibration of the equipment and evaluated measurement uncertainty herein. The test report shall not be reproduced except in full without the written approval of MRT Technology (Suzhou) Co., Ltd. Report No.: 2203RSU026-U1 2 of 84 Revision History Report No. Version Description Issue Date Note 2203RSU026-U1 Rev. 01 Initial Report 2022-07-26 Valid Report No.: 2203RSU026-U1 3 of 84 CONTENTS Description Page 1. General Information ................................................................................................................................ 6 1.1. Applicant ...................................................................................................................................... 6 1.2. Manufacturer ................................................................................................................................ 6 1.3. Testing Facility ............................................................................................................................. 6 1.4. Product Information ...................................................................................................................... 7 1.5. Radio Specification ...................................................................................................................... 7 1.6. Working Frequencies ................................................................................................................... 8 1.7. Pseudorandom Frequency Hopping Sequence ........................................................................... 9 2. Test Configuration ................................................................................................................................. 10 2.1. Test Mode .................................................................................................................................. 10 2.2. Test System Connection Diagram ............................................................................................. 10 2.3. Test Software ............................................................................................................................. 10 2.4. Power Setting .............................................................................................................................. 11 2.5. Applied Standards ....................................................................................................................... 11 2.6. Test Environment Condition ........................................................................................................ 11 3. Antenna Requirement ........................................................................................................................... 12 4. Measuring Instrument ........................................................................................................................... 13 5. Measurement Uncertainty ..................................................................................................................... 14 6. Test Result .............................................................................................................................................. 15 6.1. Summary .................................................................................................................................... 15 6.2. Occupied Bandwidth Measurement ........................................................................................... 16 6.2.1. Test Limit .................................................................................................................................... 16 6.2.2. Test Procedure ........................................................................................................................... 16 6.2.3. Test Setting ................................................................................................................................ 16 6.2.4. Test Setup .................................................................................................................................. 16 6.2.5. Test Result ................................................................................................................................. 16 6.3. Output Power Measurement ...................................................................................................... 17 6.3.1. Test Limit .................................................................................................................................... 17 6.3.2. Test Procedure ........................................................................................................................... 17 6.3.3. Test Setting ................................................................................................................................ 17 6.3.4. Test Setup .................................................................................................................................. 17 6.3.5. Test Result ................................................................................................................................. 17 6.4. Carrier Frequency Separation Measurement ............................................................................ 18 6.4.1. Test Limit ....................…

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Report No.: 2203RSU026-U1 50 of 84 A.8 Conducted Spurious Emissions Test Result Test Site WZ-SR5 Test Engineer Jeff Yang Test Date 2022/03/16 Test Mode Channel No. Frequency (MHz) Limit (MHz) Result DH5 00 2402 20dBc Pass DH5 39 2441 20dBc Pass DH5 78 2480 20dBc Pass 2DH5 00 2402 20dBc Pass 2DH5 39 2441 20dBc Pass 2DH5 78 2480 20dBc Pass 3DH5 00 2402 20dBc Pass 3DH5 39 2441 20dBc Pass 3DH5 78 2480 20dBc Pass DH5 Conducted Spurious Emissions Channel 00 (2402MHz) Channel 39 (2441MHz) Channel 78 (2480MHz) Report No.: 2203RSU026-U1 51 of 84 2DH5 Conducted Spurious Emissions Channel 00 (2402MHz) Channel 39 (2441MHz) Channel 78 (2480MHz) 3DH5 Conducted Spurious Emissions Channel 00 (2402MHz) Channel 39 (2441MHz) Channel 78 (2480MHz) Report No.: 2203RSU026-U1 52 of 84 A.9 Radiated Spurious Emission Test Result Test Site WZ-AC1 Test Engineer Charles Zhang Test Date 2022/03/13 Test Mode: DH5 Remark: 1. Average measurement was not performed if peak level lower than average limit. 2. Other frequency was 20dB below limit line within 1-18GHz, there is not show in the report. Test Channel Frequency (MHz) Reading Level (dBμV) Factor (dB/m) Measure Level (dBμV/m) Limit (dBμV/m) Margin (dB) Detector Polarization 00 4808.0 40.9 3.8 44.7 74.0 -29.3 Peak Horizontal 7375.0 37.6 9.0 46.6 74.0 -27.4 Peak Horizontal 10894.0 36.9 13.7 50.6 74.0 -23.4 Peak Horizontal 4808.0 41.8 3.8 45.6 74.0 -28.4 Peak Vertical 7307.0 37.6 9.0 46.6 74.0 -27.4 Peak Vertical 10732.5 37.0 13.5 50.5 74.0 -23.5 Peak Vertical 39 4884.5 41.8 3.9 45.7 74.0 -28.3 Peak Horizontal 8242.0 36.4 9.3 45.7 74.0 -28.3 Peak Horizontal 11055.5 37.2 13.6 50.8 74.0 -23.2 Peak Horizontal 4884.5 43.6 3.9 47.5 74.0 -26.5 Peak Vertical 7604.5 37.4 8.6 46.0 74.0 -28.0 Peak Vertical 11395.5 37.3 13.2 50.5 74.0 -23.5 Peak Vertical 78 4961.0 45.4 4.3 49.7 74.0 -24.3 Peak Horizontal 7366.5 38.1 9.0 47.1 74.0 -26.9 Peak Horizontal 10970.5 37.5 13.6 51.1 74.0 -22.9 Peak Horizontal 4961.0 46.1 4.3 50.4 74.0 -23.6 Peak Vertical 7732.0 37.4 8.7 46.1 74.0 -27.9 Peak Vertical 10783.5 37.1 13.7 50.8 74.0 -23.2 Peak Vertical Note: Measure Level (dBμV/m) = Reading Level (dBμV) + Factor (dB/m) Factor (dB/m) = Cable Loss (dB) + Antenna Factor (dB/m) - Pre_Amplifier Gain (dB) Report No.: 2203RSU026-U1 53 of 84 Test Site WZ-AC1 Test Engineer Charles Zhang Test Date 2022/03/13 Test Mode: 2DH5 Remark: 1. Average measurement was not performed if peak level lower than average limit. 2. Other frequency was 20dB below limit line within 1-18GHz, there is not show in the report. Test Channel Frequency (MHz) Reading Level (dBμV) Factor (dB/m) Measure Level (dBμV/m) Limit (dBμV/m) Margin (dB) Detector Polarization 00 7570.5 37.3 8.6 45.9 74.0 -28.1 Peak Horizontal 8208.0 35.4 9.6 45.0 74.0 -29.0 Peak Horizontal 11072.5 37.4 13.5 50.9 74.0 -23.1 Peak Horizontal 4808.0 38.7 3.8 42.5 74.0 -31.5 Peak Vertical 7366.5 36.9 9.0 45.9 74.0 -28.1 Peak Vertical 11412.5 36.9 13.2 50.1 74.0 -23.9 Peak Vertical 39 4884.5 39.9 3.9 43.8 74.0 -30.2 Peak Horizontal 7400.5 36.6 8.9 45.5 74.0 -28.5 Peak Horizontal 11081.0 36.9 13.5 50.4 74.0 -23.6 Peak Horizontal 4884.5 42.0 3.9 45.9 74.0 -28.1 Peak Vertical 7477.0 37.6 8.9 46.5 74.0 -27.5 Peak Vertical 11072.5 36.3 13.5 49.8 74.0 -24.2 Peak Vertical 78 4961.0 41.8 4.3 46.1 74.0 -27.9 Peak Horizontal 8165.5 36.9 9.5 46.4 74.0 -27.6 Peak Horizontal 10783.5 37.3 13.7 51.0 74.0 -23.0 Peak Horizontal 4961.0 42.8 4.3 47.1 74.0 -26.9 Peak Vertical 8361.0 37.1 9.5 46.6 74.0 -27.4 Peak Vertical 11081.0 36.9 13.5 50.4 74.0 -23.6 Peak Vertical Note: Measure Level (dBμV/m) = Reading Level (dBμV) + Factor (dB/m) Factor (dB/m) = Cable Loss (dB) + Antenna Factor (dB/m) - Pre_Amplifier Gain (dB) Report No.: 2203RSU026-U1 54 of 84 Test Site WZ-AC1 Test Engineer Charles Zhang Test Date 2022/03/13 Test Mode: 3DH5 Remark: 1. Average measurement was not performed if peak level lower than average limit. 2. Other frequency was 20dB below limit line within 1-18GHz, there is not show in the report. Test Channel Frequency (MHz) Reading Level (dBμV) Factor (dB/m) Measure Level (dBμV/m) Limit (dBμV/m) Margin (dB) Detector Polarization 00 4808.0 38.4 3.8 42.2 74.0 -31.8 Peak Horizontal 7315.5 38.9 8.9 47.8 74.0 -26.2 Peak Horizontal 10996.0 35.9 13.6 49.5 74.0 -24.5 Peak Horizontal 4808.0 37.9 3.8 41.7 74.0 -32.3 Peak Vertical 7366.5 37.2 9.0 46.2 74.0 -27.8 Peak Vertical 8233.5 36.7 9.4 46.1 74.0 -27.9 Peak Vertical 39 4884.5 39.0 3.9 42.9 74.0 -31.1 Peak Horizontal 7281.5 37.5 9.1 46.6 74.0 -27.4 Peak Horizontal 11361.5 37.0 13.1 50.1 74.0 -23.9 Peak Horizontal 4884.5 41.9 3.9 45.8 74.0 -28.2 Peak Vertical 7664.0 37.8 8.5 46.3 74.0 -27.7 Peak Vertical 11183.0 37.0 13.2 50.2 74.0 -23.8 Peak Vertical 78 4961.0 41.5 4.3 45.8 74.0 -28.2 Peak Horizontal 8114.5 37.7 9.6 47.3 74.0 -26.7 Peak Horizontal 10919.5 36.6 13.6 50.2 74.0 -23.8 Peak Horizontal 4961.0 43.4 4.3 47.7 74.0 -26.3 Peak Vertical 7392.0 36.6 9.0 45.6 74.0 -28.4 Peak Vertical 10843.0 36.1 13.7 49.8 74.0 -24.2 Peak Vertical Note: Measure Level (dBμV/m) = Reading Level (dBμV) + Factor (dB/m) Factor (dB/m) = Cable Loss (dB) + Antenna Factor (dB/m) - Pre_Amplifier Gain (dB) Report No.: 2203RSU026-U1 55 of 84 The Worse Case Result of Radiated Spurious Emission for below 1GHz Site: WZ-AC1 Time: 2022/03/14 - 09:58 Limit: FCC_Part15.209_RE(3m) Engineer: Charles Zhang Probe: WZ-AC1_VULB 9168 _30-1000MHz Polarity: Horizontal EUT: Hybrid Digital DAC Amplifier Power: AC 120V/60Hz Test Mode: Transmit by DH5 at channel 2480MHz No Flag Mark Frequency (MHz) Measure Level (dBμV/m) Reading Level (dBμV) Margin (dB) Limit (dBμV/m) Factor (dB/m) Type 1 40.670 28.916 11.108 -11.084 40.000 17.808 PK 2 87.230 27.751 15.655 -12.249 40.000 12.096 PK 3 * 138.155 37.205 19.938 -6.295 43.500 17.267 PK 4 172.105 36.334 18.997 -7.166 43.500 17.337 PK 5 358.830 27.457 7.867 -18.543 46.000 19.590 PK 6 686.690 29.461 2.778 -16.539 46.000 26.683 PK Note 1: Measure Level (dBμV/m) = Reading Level (dBμV) + Factor (dB/m) Factor (dB/m) = Cable Loss (dB) + A…

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Report No.: 2203RSU026-UT Test Setup Photo Description: Front View of Conducted Emission Test Setup for Power Port Description: Back View of Conducted Emission Test Setup for Power Port Report No.: 2203RSU026-UT Description: Radiated Spurious Emission Test Setup for Below 1GHz Description: Radiated Spurious Emission Test Setup for Above 1GHz Report No.: 2203RSU026-UT Description: Conducted Test Setup