ATI9R3SB11MD111.6 IN-CAR SEATBACK MONITOR WITH DVD + 11.6 IN-CAR SEATBACK MONITOR

Action Electronics Co.,Ltd. Covered Equipment Certification Attestation Letter 2025-12-01 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID:ATI9R3SB11MD1 Action Electronics Co.,Ltd. (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Action Electronics Co.,Ltd. (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Action Electronics Co.,Ltd. (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Signed: Printed name: L.L TAN Title: Asst. Manager Company Name: Action Electronics Co.,Ltd. Address: 2480,TINGKAT PERUSAHAAN ENAM,PRAI FREE TRADE ZONE, 13600, PERAI,, Phone: 604-3997600 E-Mail: [email protected] Date: 2025-12-01

1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name:VOXX INTERNATIONAL CORPORATION FRN: Contact Name:Joe Caltabiano Address:180 MARCUS BLVD., HAUPPAUGE, NEW YORK 11788 USA Telephone No:1-631-436-6521 Email:[email protected] Applicant: Company name: Action Electronics Co.,Ltd. Product Description: 11.6 IN-CAR SEATBACK MONITOR WITH DVD + 11.6 IN-CAR SEATBACK MONITOR Grantee code: ATI FCC ID: ATI9R3SB11MD1 FRN：0012649703 Contact Name: L.L TAN Address: 2480,TINGKAT PERUSAHAAN ENAM,PRAI FREE TRADE ZONE, 13600, PERAI,, Telephone No: 604-3997600 Email: [email protected] Action Electronics Co.,Ltd. certifies that, as of the date of this filing of the application with the TCB, [VOXX INTERNATIONAL CORPORATION] is our designated US agent for service of process for the above referenced FCC ID. Action Electronics Co.,Ltd. accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any commission related proceeding involving equipment. [VOXX INTERNATIONAL CORPORATION] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 2025-12-01 Applicant’s Name: L.L TAN US Agent’s Name: Joe Caltabiano Title: Asst. Manager Title: Vice President Signature： Signature

Action Electronics Co.,Ltd. 2025-12-01 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 AUTHORITY TO ACT AS AGENT - FCC On our behalf, I appoint Damon Hu, Guangdong Dongdian Testing Service Co.,Ltd.( Unit 2, Building 1, No.17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808), to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in FCC regulations will have affixed to it a label identical to that submitted for approval with this application. In signing this letter, Applicant certifies that neither the applicant nor any party to the application is not subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a "party" for these purposes. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, as specified by Nemko North America Inc., still resides still resides with us. Sincerely, Printed name: L.L TAN Title: Asst. Manager Company Name: Action Electronics Co.,Ltd. Address: 2480,TINGKAT PERUSAHAAN ENAM,PRAI FREE TRADE ZONE, 13600, PERAI,, Phone: 604-3997600 E-Mail: [email protected] Date: 2025-12-01

Action Electronics Co.,Ltd. Product Similarity Declaration Product name: 11.6 IN-CAR SEATBACK MONITOR WITH DVD + 11.6 IN- CAR SEATBACK MONITOR Model name: SB11MD1, AVXSB11UHD, SBBA1161, SBBA1162, SB11M1, SBAA1161 FCC ID: ATI9R3SB11MD1 We (Action Electronics Co.,Ltd.) hereby state that all the models are electrical identical including the same hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure, only the model number are different Signature: Printed name: L.L TAN Title: Asst. Manager Company Name: Action Electronics Co.,Ltd. Address: 2480,TINGKAT PERUSAHAAN ENAM,PRAI FREE TRADE ZONE, 13600, PERAI,, Phone: 604-3997600 E-Mail: [email protected] Date: 2025.12.01

Action Electronics Co.,Ltd. 2025-12-01 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 REQUEST FOR CONFIDENTIALITY – FCC FCC ID: ATI9R3SB11MD1 Pursuant to Sections 0.457(d) and 0.459 of the Commission’s Rules and FCC Guidance document 726920, we hereby request permanent confidential treatment of exhibits identified as such in the table below and request they are permanently withheld from public review based on the documents containing trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. We also request short-term confidentiality on certain exhibits until the intended date of marketing as outlined below. We request the exhibits be withheld from public view for a period of 180 days. We attest marketing of the product will only commence after the period of short-term confidentiality expires, or if marketing is to commence before the requested number of days listed above, the grantee will inform Nemko to release the Short-Term Confidentiality information withheld on the FCC equipment authorization website. Exhibit Type of Confidentiality Requested Block Diagrams ☒ Permanent ☐ Short Term External Photos ------------------ ☒ Short Term Internal Photos ☐ Permanent* ☒ Short Term Operation Description ☒ Permanent ☐ Short Term Parts List & Placement/BOM ☒ Permanent ☐ Short Term Tune-Up Procedure ☐ Permanent ☐ Short Term Schematic Diagrams ☒ Permanent ☐ Short Term Test Setup Photos ------------------ ☒ Short Term User’s Manual ☐ Permanent* ☒ Short Term The asterisked items (*) require further information to be provided in this justification letter before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 D01 found at: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. Note: any documents held under the Short-Term confidentiality will automatically become public after the requested time if an appropriate extension request has not been received. Any exhibits (i.e., schematic diagrams) that may have already been requested to have “Permanent” confidentiality as shown above need not be repeated under Short-Term confidentiality request. Sincerely, Signed: Printed name: L.L TAN Title: Asst. Manager Company Name: Action Electronics Co.,Ltd. Address: 2480,TINGKAT PERUSAHAAN ENAM,PRAI FREE TRADE ZONE, 13600, PERAI,, Phone: 604-3997600 E-Mail: [email protected] Date: 2025-12-01

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Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25090308-4E04 TRF No.: RT-4-E-006Page 1 of 7 RF EXPOSURE REPORT Applicant : Action Electronics Co.,Ltd. Address of Applicant : 2480,TINGKAT PERUSAHAAN ENAM,PRAI FREE TRADE ZONE, 13600, PERAI,, Manufacturer : ACTION INDUSTRIES (M) SDN.BHD. Address of Manufacturer : 2480, TINGKAT PERUSAHAAN ENAM, PRAI FREE TRADE ZONE, 13600, PERAI, PENANG, MALAYSIA Equipment under Test : 11.6 IN-CAR SEATBACK MONITOR WITH DVD + 11.6 IN-CAR SEATBACK MONITOR Model No. : SB11MD1, AVXSB11UHD, SBBA1161, SBBA1162, SB11M1, SBAA1161 FCC ID : ATI9R3SB11MD1 Test Standard(s) : KDB447498 D01 General RF Exposure Guidance v06 Report No. : DDT-RE25090308-4E04 Issue Date : 2025/12/24 Issue By : Guangdong Dongdian Testing Service Co., Ltd. Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25090308-4E04 TRF No.: RT-4-E-006Page 2 of 7 Table of Contents 1.General Test Information..............................................................................................5 1.1.Description of EUT .......................................................................................................5 1.2.Accessories of EUT......................................................................................................5 1.3.Test laboratory .............................................................................................................5 2.RF Exposure evaluation for FCC .................................................................................6 2.1.Assessment procedure.................................................................................................6 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25090308-4E04 TRF:RT-4-E-006Page 3 of 7 $!CeMetaLims!digital$ Test Report Declare Applicant : Action Electronics Co.,Ltd. Address of Applicant : 2480,TINGKAT PERUSAHAAN ENAM,PRAI FREE TRADE ZONE, 13600, PERAI,, Equipment under Test : 11.6 IN-CAR SEATBACK MONITOR WITH DVD + 11.6 IN-CAR SEATBACK MONITOR Model No. : SB11MD1, AVXSB11UHD, SBBA1161, SBBA1162, SB11M1, SBAA1161 Manufacturer : ACTION INDUSTRIES (M) SDN.BHD. Address of Manufacturer : 2480, TINGKAT PERUSAHAAN ENAM, PRAI FREE TRADE ZONE, 13600, PERAI, PENANG, MALAYSIA Test Standard Used: KDB447498 D01 General RF Exposure Guidance v06 We Declare: The equipment described above is tested by Guangdong Dongdian Testing Service Co., Ltd. and in the configuration tested the equipment complied with the standards specified above. The test results are contained in this test report and Guangdong Dongdian Testing Service Co., Ltd. is assumed of full responsibility for the accuracy and completeness of these tests. Report No.:DDT-RE25090308-4E04 Date of Receipt:2025/09/05Date of Test:2025/09/05~2025/10/24 Note: This report applies to above tested sample only. This report shall not be reproduced in parts without written approval of Guangdong Dongdian Testing Service Co., Ltd. Created: Zoe PengReviewed: Chen Ziqin Approved: Damon Hu 2025/10/242025/12/242025/12/24 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25090308-4E04 TRF:RT-4-E-006Page 4 of 7 Revision History VersionRevision ContentIssue DateApproved V0Initial issue2025/12/24Damon Hu Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25090308-4E04 TRF:RT-4-E-006Page 5 of 7 1. General Test Information 1.1. Description of EUT EUT Name: 11.6 IN-CAR SEATBACK MONITOR WITH DVD + 11.6 IN-CAR SEATBACK MONITOR Model Number: SB11MD1,AVXSB11UHD,SBBA1161,SBBA1162,SB11M1,SBAA11 61 Difference of model number ： Only the model name is different, therefore the test performed on the Model SB11MD1 EUT Function Description:Please reference user manual of this device Power Supply:DC 12V Note: The above EUT information is declared by manufacturer and for more detailed features description please refer to the manufacturer's specifications or User's Manual. 1.2. Accessories of EUT AccessoriesManufacturerModel numberDescription //// 1.3. Test laboratory Guangdong Dongdian Testing Service Co., Ltd. Add.: Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808. Tel.: +86-0769-38826678, http://www.dgddt.com, Email: [email protected]. CNAS Accreditation No. L6451; A2LA Accreditation Number: 3870.01 FCC Designation Number: CN1182, Test Firm Registration Number: 540522 Innovation, Science and Economic Development Canada Site Registration Number: 10288A Conformity Assessment Body identifier: CN0048 VCCI facility registration number: C-20087, T-20088, R-20123, R-20240, G-20118 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25090308-4E04 TRF:RT-4-E-006Page 6 of 7 2. RF Exposure evaluation for FCC 2.1. Assessment procedure Requirement: Systems operating under the provisions of FCC 47 CFR 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. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as mobile device whereby a distance of 0.2 m normally can be maintained between the user and the device, and below RF Permissible Exposure limit shall comply with. Limits for General Population/Uncontrolled Exposure Frequency Range （MHz） Electric Field Strength (E) (V/m) Magnetic FieldStrength (H) （A/m） Power Density (S) （mW/cm 2 ） Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.346141.63(100)*30 1.34-30824/f2.19/f(180/f)*30 30-30027.50.0730.230 300-1500 F/150030 1500-100000 1.030 Note: f= frequency in MHz; *Plane-wave equivalent power density Calculation method From the peak EUT RF output power, the minimum mobile separation distance, d=0.2 m, as well as the gain of the used antenna, the RF power density can be obtained. Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25090308-4E04 TRF:RT-4-E-006Page 7 of 7 Assess result Mode Output…

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Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25120817-1E01 TRF:/Page 1 of 11 TEST REPORT Applicant : Action Electronics Co.,Ltd. Address of Applicant : 2480,TINGKAT PERUSAHAAN ENAM,PRAI FREE TRADE ZONE, 13600, PERAI Manufacturer : ACTION INDUSTRIES (M) SDN.BHD. Address of Manufacturer : 2480, TINGKAT PERUSAHAAN ENAM, PRAI FREE TRADE ZONE, 13600, PERAI, PENANG, MALAYSIA Equipment under Test : PCB Antenna Assembly Model No. : 440-040625-B Test Standard(s) : GB/T 9410-2008 ANSI/IEEE Std149-2021 Report No. : DDT-RE25120817-1E01 Issue Date : 2025/12/18 Issued By : Guangdong Dongdian Testing Service Co., Ltd. Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25120817-1E01 TRF:/Page 2 of 11 Table of Contents 1.General Test Information..............................................................................................5 1.1.Description of EUT .......................................................................................................5 1.2.Test laboratory .............................................................................................................5 2.Antenna Parameter ......................................................................................................6 3.Antenna Gain Measurement ........................................................................................7 3.1.Test equipment.............................................................................................................7 3.2.Block Diagram of Test Setup........................................................................................7 3.3.Test procedure .............................................................................................................7 3.4.Test Data......................................................................................................................8 3.5.Radiation pattern ..........................................................................................................9 4.Test Setup Photograph ..............................................................................................11 Guangdong Dongdian Testing Service Co., Ltd. Report No.: DDT-RE25120817-1E01 TRF:/Page 3 of 11 $!CeMetaLims!digital$ Test Report Declare Manufacturer : ACTION INDUSTRIES (M) SDN.BHD. Address of Manufacturer : 2480, TINGKAT PERUSAHAAN ENAM, PRAI FREE TRADE ZONE, 13600, PERAI, PENANG, MALAYSIA Equipment under Test : / Model No. : / Test Standard Used: GB/T 9410-2008 ANSI/IEEE Std149-2021 We Declare: The equipment described above is tested by Guangdong Dongdian Testing Service Co., Ltd. and in the configuration tested the equipment complied with the standards specified above. The test results are contained in this test report and Guangdong Dongdian Testing Service Co., Ltd. is assumed of full responsibility for the accuracy and completeness of these tests. Report No.:DDT-RE25120817-1E01 Date of Receipt:2025/12/09Date of Test:2025/12/09~2025/12/12 Note: This report applies to above tested sample only. This report shall not be reproduced in parts without written approval of Guangdong Dongdian Testing Service Co., Ltd. Created: Zeng ZhongyaoReviewed: Zoe PengApproved: Damon Hu 2025/12/122025/12/182025/12/18 Guangdong Dongdian Testing Service Co., Ltd. Report No.: DDT-RE25120817-1E01 TRF:/Page 4 of 11 Revision History VersionRevision ContentIssue DateApproved V0Initial issue2025/12/18Damon Hu Guangdong Dongdian Testing Service Co., Ltd. Report No.: DDT-RE25120817-1E01 TRF:/Page 5 of 11 1. General Test Information 1.1. Description of EUT Product Name: PCB Antenna Assembly Model Number: 440-040625-B Antenna Type:PCB Antenna Frequency Range:2400-2500MHz 1.2. Test laboratory Guangdong Dongdian Testing Service Co., Ltd. Add.: Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808. Tel.: +86-0769-38826678, http://www.dgddt.com, Email: [email protected]. CNAS Accreditation No. L6451; A2LA Accreditation Number: 3870.01 FCC Designation Number: CN1182, Test Firm Registration Number: 540522 Innovation, Science and Economic Development Canada Site Registration Number: 10288A Conformity Assessment Body identifier: CN0048 VCCI facility registration number: C-20087, T-20088, R-20123, R-20240, G-20118 Guangdong Dongdian Testing Service Co., Ltd. Report No.: DDT-RE25120817-1E01 TRF:/Page 6 of 11 2. Antenna Parameter 单位：mm Guangdong Dongdian Testing Service Co., Ltd. Report No.: DDT-RE25120817-1E01 TRF:/Page 7 of 11 3. Antenna Gain Measurement 3.1. Test equipment EquipmentManufacturerModel No.Serial No.Cal Due To ENA Network AnalyzerAgilentE5071CMY469006842026/03/28 Software SHENZHEN XINGHANG XH.PassiveTestV2.7.6N/A Software SHENZHEN XINGHANG XHDPV2.8.0N/A 3.2. Block Diagram of Test Setup 3.3. Test procedure (1) Set up the antenna to be measured. Set up the antenna and mark the cross reference line at the center of the antenna port surface to be measured. (2) Connect the cable connector and adjust the downdip Angle (electrically tuned antenna). (3) Open the test software, create the test project, and configure the test port. (4) Use test software for automatic testing and save test data of electromagnetic field distribution. (5) Change the port, downdip Angle, or test frequency (if necessary), and repeat steps (3) to (4) until all status data to be measured is collected. (6) After near and far field exchange, the three-position spherical pattern of the antenna to be tested is obtained, and the Theta and Phi angles of the position where the maximum level of the three-position spherical pattern is located are found. The horizontal plane pattern curve of the antenna to be tested is obtained by cutting according to equal Theta Angle, and the vertical plane pattern of the antenna to be tested is cancelled by cutting according to equal Phi Angle. Then the radiation parameters of the horizontal p…

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Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25090308-4E02 TRF: RT-4-E-005Page 1 of 84 RADIO TEST REPORT Applicant : Action Electronics Co.,Ltd. Address of Applicant : 2480,TINGKAT PERUSAHAAN ENAM,PRAI FREE TRADE ZONE, 13600, PERAI,, Manufacturer : ACTION INDUSTRIES (M) SDN.BHD. Address of Manufacturer : 2480, TINGKAT PERUSAHAAN ENAM, PRAI FREE TRADE ZONE, 13600, PERAI, PENANG, MALAYSIA Equipment under Test : 11.6 IN-CAR SEATBACK MONITOR WITH DVD + 11.6 IN-CAR SEATBACK MONITOR Model No. : SB11MD1, AVXSB11UHD, SBBA1161, SBBA1162, SB11M1, SBAA1161 FCC ID : ATI9R3SB11MD1 Test Standard(s) : FCC Rules and Regulations Part 15 Subpart C, ANSI C63.10-2020, Report No. : DDT-RE25090308-4E02 Issue Date : 2025/12/23 Issue By : Guangdong Dongdian Testing Service Co., Ltd. Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25090308-4E02 TRF: RT-4-E-005Page 2 of 84 Table of Contents 1.Summary of Test Results .............................................................................................7 2.General Test Information..............................................................................................8 2.1.Description of EUT .......................................................................................................8 2.2.Accessories of EUT......................................................................................................9 2.3.Block diagram of EUT configuration for test.................................................................9 2.4.Decision of final test mode ...........................................................................................9 2.5.Deviations of test standard.........................................................................................10 2.6.Test environment conditions ......................................................................................10 2.7.Test laboratory ...........................................................................................................11 2.8.Measurement uncertainty...........................................................................................12 3.Equipment Used During Conductive Test ..................................................................13 4.6 dB Bandwidth ..........................................................................................................14 4.1.Block diagram of test setup ........................................................................................14 4.2.Limits ..........................................................................................................................14 4.3.Test procedure ...........................................................................................................14 4.4.Test result...................................................................................................................15 4.5.Test graphs ................................................................................................................16 5.99% Bandwidth ..........................................................................................................18 5.1.Block diagram of test setup ........................................................................................18 5.2.Limits ..........................................................................................................................18 5.3.Test procedure ...........................................................................................................18 5.4.Test result...................................................................................................................19 5.5.Test graphs ................................................................................................................20 6.Maximum Peak Output Power....................................................................................22 6.1.Block diagram of test setup ........................................................................................22 6.2.Limits ..........................................................................................................................22 6.3.Test procedure ...........................................................................................................22 6.4.Test result...................................................................................................................23 6.5.Test graphs ................................................................................................................24 7.Power Spectral Density ..............................................................................................26 7.1.Block diagram of test setup ........................................................................................26 7.2.Limits ..........................................................................................................................26 7.3.Test procedure ...........................................................................................................26 7.4.Test result...................................................................................................................27 7.5.Test graphs ................................................................................................................28 8.Band Edge Compliance (Conducted Method)............................................................30 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25090308-4E02 TRF: RT-4-E-005Page 3 of 84 8.1.Block diagram of test setup ........................................................................................30 8.2.Limits ..........................................................................................................................30 8.3.Test procedure ......................................................................…

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Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25090308-4E02 TRF:RT-4-E-005Page 51 of 84 1 GHz - 18 GHzDouble Ridged Horn Antenna(1 GHz-18 GHz)3 m 18 GHz - 40 GHzHorn Antenna(18 GHz-40 GHz)1 m According ANSI C63.10 clause 6.4.6 and 6.5.3, for measurements below 30 MHz, Antenna was located 3 m from EUT, the loop antenna was positioned in three antenna orientations (parallel, perpendicular, and round-parallel), for each measurement antenna alignment, the EUT shall be rotated through 0°to 360°on a turntable, and the lowest height of the magnetic antenna shall be 1 m above the ground. For measurement above 30MHz, the trilog Broadband Antenna or Horn Antenna was located 3m from EUT, Measurements were made with the antenna positioned in both the horizontal and vertical planes of Polarization, and the measurement antenna was varied from 1 m to 4 m. in height above the reference ground plane to obtain the maximum signal strength. (3) Below pre-scan procedure was first performed in order to find prominent frequency spectrum radiated emissions from 9 kHz to 25 GHz: (a) Scanning the peak frequency spectrum with the antenna specified in step (3), and the EUT was rotated 360 degree, the antenna height was varied from 1 m to 4 m (Except loop antenna, it’s fixed 1 m above ground.) (b) Change work frequency or channel of device if practicable. (c) Change modulation type of device if practicable. (d) Change power supply range from 85% to 115% of the rated supply voltage (e) Rotated EUT though three orthogonal axes to determine the attitude of EUT arrangement produces highest emissions. Spectrum frequency from 9 kHz to 25 GHz (tenth harmonic of fundamental frequency) was investigated, and no any obvious emission were detected from 18 GHz to 25 GHz, so below final test was performed with frequency range from 9 kHz to 18 GHz. (4) For final emissions measurements at each frequency of interest, the EUT was rotated and the antenna height was varied between 1 m and 4 m in order to maximize the emission. Measurements in both horizontal and vertical polarities were made and the data was recorded. In order to find the maximum emission, the relative positions of equipment and all of the inte…

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