2AOWK-3121Tablet

Shenzhen Gotron Electronic CO.,LTD. Family models difference declaration Tablet Model: GQ3121 Family Model: Armor Pad 4 Ultra, Armor Pad 4, Armor Pad 4 Pro, Armor Pad 4E, Armor Pad 4S, Armor Pad 4 Lite, Armor Pad 4 Pro+, Armor Pad 4s, Armor Pad 4s Pro Difference declaration: All models are the same circuit and RF module, except the Model Name. Regards, Signature Yongbin Ta n g / Manager Date/City: 2024-08-01 / Shenzhen Phone: 0755-8389 5989 E-mail: [email protected]

(Shenzhen Gotron Electronic CO.,LTD.) (2024-08-01) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2AOWK-3121) [Shenzhen Gotron Electronic 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. Sincerely, Yongbin Tang (Shenzhen Gotron Electronic CO.,LTD.) (2024-08-01) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2AOWK-3121) [Shenzhen Gotron Electronic 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. Sincerely, Yongbin Tang

Shenzhen Gotron Electronic CO.,LTD. Agent Authorization Letter (2024-08-01) 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 NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park Sanwei, Xixiang, Bao'an District, Shenzhen, Guangdong, China Alex.li [email protected] 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, Yongbin Tang / Manager Date/City: 2024-08-01/Shenzhen Phone: 0755-8389 5989 E-mail: [email protected]

Shenzhen Gotron Electronic CO.,LTD. Long Term Confidentiality Request Letter (2024-08-01) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR Product: Tablet Model No.: GQ3121, Armor Pad 4 Ultra, Armor Pad 4, Armor Pad 4 Pro, Armor Pad 4E, Armor Pad 4S, Armor Pad 4 Lite, Armor Pad 4 Pro+, Armor Pad 4s, Armor Pad 4s Pro 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 • Schematic Diagram • Block Diagram • Part List / BOM List / PCB Layout • Operational Description • Tune-up Procedure • Software Security Requirements for UNII devices 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. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Please contact me if there is any information you may need. Sincerely, Yongbin Tang / Manager Date/City: 2024-08-01/Shenzhen Phone: 0755-8389 5989 E-mail: [email protected]

Shenzhen Gotron Electronic CO.,LTD. Short Term Confidentiality Request Letter (2024-08-01) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Short Term Confidentiality Request For Product: Tablet Model No.: GQ3121, Armor Pad 4 Ultra, Armor Pad 4, Armor Pad 4 Pro, Armor Pad 4E, Armor Pad 4S, Armor Pad 4 Lite, Armor Pad 4 Pro+, Armor Pad 4s, Armor Pad 4s Pro To Whom It May Concern: In accordance with sections 0.457 and 0.459 of CFR 47, < Shenzhen Gotron Electronic CO.,LTD. >. requests short-term Confidentiality of following sections of this application for a period of 180 days after grant is issued. Test setup photos External photos Internal photos User’s manual These documents contain detailed system and equipment descriptions and related information about the product, which < Shenzhen Gotron Electronic CO.,LTD. > considers to be proprietary, confidential, and a custom design and otherwise, would not release to the general public. Since this design is a basis from which future technological products will evolve, < Shenzhen Gotron Electronic CO.,LTD. > feels that this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give our competitors an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Yongbin Tang / Manager Date/City: 2024-08-01/Shenzhen Phone: 0755-8389 5989 E-mail: [email protected]

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Page 1 of 177 Report No.: S24053105103001 FCC SAR EVALUATION REPORT In accordance with the requirements of FCC 47 CFR Part 2(2.1093) and IEEE Std 1528-2013 Product Name： Tablet Trademark： ulefone Model Name： GQ3121 Family Model： Armor Pad 4 Ultra, Armor Pad 4, Armor Pad 4 Pro, Armor Pad 4E, Armor Pad 4S, Armor Pad 4 Lite, Armor Pad 4 Pro+,Armor Pad 4s, Armor Pad 4s Pro FCC ID： 2AOWK-3121 Report No.： S24053105103001 Prepared for Shenzhen Gotron Electronic CO.,LTD. 7B01, Building A, Block 1, AnhongjiTianyao Plaza, Longhua District, Shenzhen City, Guangdong Province China Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street Bao’an District, Shenzhen 518126 P.R. China Tel.:400-800-6106, 0755-2320 0050, 0755-2320 0090 Website:http://www.ntek.org.cn Page 2 of 177 Report No.: S24053105103001 TEST RESULT CERTIFICATION Applicant’s name ................. : Shenzhen Gotron Electronic CO.,LTD. Address .................................. : 7B01, Building A, Block 1, AnhongjiTianyao Plaza, Longhua District, Shenzhen City, Guangdong Province China Manufacturer's Name ........... : Shenzhen Gotron Electronic CO.,LTD. Address .................................. : 7B01, Building A, Block 1, AnhongjiTianyao Plaza, Longhua District, Shenzhen City, Guangdong Province China Product description Product name ......................... : Tablet Trademark ............................ : ulefone Model Name ........................... : GQ3121 Family Model .......................... : Armor Pad 4 Ultra, Armor Pad 4, Armor Pad 4 Pro, Armor Pad 4E, Armor Pad 4S, Armor Pad 4 Lite, Armor Pad 4 Pro+,Armor Pad 4s, Armor Pad 4s Pro Standards ............................. : FCC 47 CFR Part 2(2.1093); IEEE Std 1528-2013; Published RF exposure KDB procedures This device described above has been tested by Shenzhen NTEK.In accordance with themeasurement methods and procedures specified in IEEE Std 1528-2013 and KDB865664 D01. Testing has shown that this device iscapable of compliance with localized specific absorption rate (SAR) specified in FCC 47 CFR Part 2(2.1093). The test results in this report apply only to the tested sample of the stateddevice/equipment. Other similar device/equipment will not necessarily produce the same results dueto production tolerance and measurementuncertainties. This report shall not be reproduced except in full, without the written approval of Shenzhen NTEK, this document may be altered or revised by Shenzhen NTEK, personal only, and shall be noted in the revision of the document. Test Sample Number .............................. S240531051003 Date of Test Date (s) of performance of tests ............. : Jun.03, 2024~Jun.21, 2024 Date of Issue .......................................... : Aug.01, 2024 Test Result .............................................. : Pass Prepared By : Reviewed By : Approved By : Jack Li (Project Engineer) Aaron Cheng (Supervisor) Alex Li (Manager) Page 3 of 177 Report No.: S24053105103001 ※ ※ Revision History ※ ※ REV. DESCRIPTION ISSUED DATE REMARK Rev.1.0 Initial Test Report Release Aug.01, 2024 Jack Li Page 4 of 177 Report No.: S24053105103001 TABLE OF CONTENTS 1. General Information .......................................................................................... 6 1.1. RF exposure limits .................................................................................. 6 1.2. Statement of Compliance ....................................................................... 7 1.3. EUT Description ..................................................................................... 7 1.4. Test specification(s) ................................................................................ 8 1.5. Ambient Condition ................................................................................. 9 2. SAR Measurement System ............................................................................... 10 2.1. SATIMO SAR Measurement Set-up Diagram ......................................... 10 2.2. Robot ................................................................................................... 11 2.3. E-Field Probe ........................................................................................ 12 2.3.1. E-Field Probe Calibration ................................................................ 12 2.4. SAM phantoms .................................................................................... 13 2.4.1. Technical Data ................................................................................ 14 2.5. Device Holder ...................................................................................... 15 2.6. Test Equipment List .............................................................................. 16 3. SAR Measurement Procedures ........................................................................ 19 3.1. Power Reference.................................................................................. 19 3.2. Area scan & Zoom scan ........................................................................ 19 3.3. Description of interpolation/extrapolation scheme ............................. 21 3.4. Volumetric Scan ................................................................................... 21 3.5. Power Drift .......................................................................................... 21 4. System Verification Procedure ......................................................................... 22 4.1. Tissue Verification ................................................................................ 22 4.1.1. Tissue Dielectric Parameter Check Results ..................................... 23 4.2. System Verification Procedure ............................................................. 24 4.2.1. System Verification Results ............................................................ 25 5. SAR Measurement variability and uncertainty ..........…

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OTA Test Report Shenzhen Maya communication equipment Co., LTD This report shall not be reproduced except in full, without the written approval of Shenzhen Maya Communications Equipment Co., LTD 1 OTA TEST REPORT Applicant Product Issue Date September 6,2024 Shenzhen Maya communication equipment Co., LTD。 tested the above equipment in accordance with the requirements in ANTI/IEEE Std 149-2008.The test results show that the equipment tested is capable of demonstrating compliance with the Requirements as documented in this report. Prepared by: Xiangqin WU Approved by: Youchun Huan Shenzhen Maya communication equipment Co., LTD Page 1 1. Test Laboratory OTA Test Report Shenzhen Maya communication equipment Co., LTD This report shall not be reproduced except in full, without the written approval of Shenzhen Maya Communications Equipment Co., LTD 2 Notes of the Test report This report shall not be reproduced in full or partial. The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein. Measurement Uncertainties were not taken into account and are published for informational purposes only. This report is written to support regulatory compliance of applicable standards stated above. Test facility MVG Microwave Anechoic Chamber ：testing frequency ranges from 600MHz to 6GHz . Testing Location Company: Shenzhen Maya communication equipment Co., LTD Address: Room 202, Guanghui Science Park, Longhua District Contact: Xiangqin WU Telephone: 18589097712 E-mail: [email protected] Laboratory Environment Temperature Min.= 19°C, Max.=25°C Relative humidity Min.=40%，Max.=72% Shield effect 0.6-7GHz >100dB Ground resistance <0.5Ω OTA Test Report Shenzhen Maya communication equipment Co., LTD This report shall not be reproduced except in full, without the written approval of Shenzhen Maya Communications Equipment Co., LTD 3 2. General Description of Equipment under Test Applicant and Manufacturer information Applicant Name Applicant address Manufacturer Name Manufacturer address 2.2 General information EUT Description Product Name Model GTS-ANT D-H HW Version RayZone1800 V1.0 SW Version MaxSign 100 Antenna Type FPC Antenna Antenna Manufacturer Shenzhen Maya communication equipment Co., LTD Test Frequency 700MHz-5.8GHz 2.3 Applied Standards According to the specifications of the manufacturer, it must comply with the requirements of the following standards: Test Method: ANSI/IEEE Std 149-2008 3. Test Conditions Test Configuration The method is used to measure the antenna 3D GAIN of EUT in OTA qualified anechoic chamber. Equipment Under Test (EUT) geometry centre vertical projection at the centre of platform, the distance from EUT to OTA Test Report Shenzhen Maya communication equipment Co., LTD This report shall not be reproduced except in full, without the written approval of Shenzhen Maya Communications Equipment Co., LTD 4 measurement antenna is 1m. 3.2 Test Measurement Spherical coordinate system Figure 1 Test coordinate system Note: Theta is from 0-180degree.Phi is from EUT and record the Date, the step of rotation is 15 degree. Test Setup OTA Test Report Shenzhen Maya communication equipment Co., LTD This report shall not be reproduced except in full, without the written approval of Shenzhen Maya Communications Equipment Co., LTD 5 4. Test Results 4.1 Gain and Efficiency Mo del Test State Frequenc y (MHz) Efficienc y (%) Gain (dBi ) Frequenc y (MHz) Efficienc y (%) Gain (dBi ) Not e Free Space 620 15.4 -3.1 2100 25.8 -0.5 640 17.3 -2.9 2200 28.5 -0.5 680 19.5 -2.6 2300 25.5 0.9 700 20.1 -2.4 2400 33.9 1.2 720 20.6 -2.3 2500 30.9 1.6 740 19.1 -2.6 2600 35.5 1.9 760 18.3 -2.7 2700 38.6 1.3 780 16.4 -2.8 3300 23.4 1.5 800 16.1 -3.3 3500 25.3 1.8 820 18.4 -2.2 3700 26.5 1.5 840 20.4 -2.8 3900 28.6 1.6 860 21.2 -2.5 4100 25.7 1.9 880 18.5 -3.1 4300 28.3 1.3 900 19.2 -3.1 4500 36.8 2.0 920 20.8 -2.5 4700 30.2 1.6 940 18.2 -2.6 4900 26.9 1.5 960 17.7 -2.9 5100 23.2 1.4 1700 27.6 -1.0 1800 30.5 0.6 1900 34.6 0.4 2000 37.6 0.7 OTA Test Report Shenzhen Maya communication equipment Co., LTD This report shall not be reproduced except in full, without the written approval of Shenzhen Maya Communications Equipment Co., LTD 6 Mode l Test State Frequenc y (MHz) Efficienc y (%) Gain (dBi ) Frequenc y (MHz) Efficienc y (%) Gain (dBi ) Not e Free Spac e 1550 31.0 -1.0 5100 32.3 2.9 1560 32.6 -0.7 5200 32.3 2.0 1570 33.0 -0.5 5300 35.3 2.8 1580 33.7 -0.4 5400 36.5 2.3 1590 32.9 -0.8 5500 37.0 2.0 1600 30.6 -1.1 5600 39.3 2.5 5700 40.8 2.1 5800 41.2 2.1 2400 38.6 1.0 2410 39.0 1.9 2420 40.3 1.5 2430 41.6 1.3 2440 42.1 1.2 2450 43.3 1.3 2460 42.7 1.2 2470 42.2 1.2 2480 42.3 1.1 2490 42.5 1.2 2500 42.8 1.3 Note: WIFI and BT share an antenna 5. Equipment List Type of Equipment Manufacture Model Number Network Analyzer Key sight E5071C Switch control System MVG OTA Test Report Shenzhen Maya communication equipment Co., LTD This report shall not be reproduced except in full, without the written approval of Shenzhen Maya Communications Equipment Co., LTD 7 Software MVG MaxSign 100 Patten Measurement software ANNEX A 3-D Patten Plots 660MHz OTA Test Report Shenzhen Maya communication equipment Co., LTD This report shall not be reproduced except in full, without the written approval of Shenzhen Maya Communications Equipment Co., LTD 8 700MHz 900MHz OTA Test Report Shenzhen Maya communication equipment Co., LTD This report shall not be reproduced except in full, without the written approval of Shenzhen Maya Communications Equipment Co., LTD 9 1800MHz OTA Test Report Shenzhen Maya communication equipment Co., LTD This report shall not be reproduced except in full, without the written approval of Shenzhen Maya Communications Equipment Co., LTD 10 1900MHz 2100MHz OTA Test Report Shenzhen Maya communication equipment Co., LTD This report shall not be reproduced except in full, without the written approval of Shenzhen Maya Communications Equipment Co., LTD 11 2650…

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Report No.: S24053105101001 Version.1.3 Page 1 of 88 RADIO TEST REPORT FCC ID: 2AOWK-3121 Product: Tablet Trade Mark: ulefone Model No.: GQ3121 Family Model: Armor Pad 4 Ultra, Armor Pad 4, Armor Pad 4 Pro, Armor Pad 4E, Armor Pad 4S, Armor Pad 4 Lite, Armor Pad 4 Pro+, Armor Pad 4s, Armor Pad 4s Pro Report No.: S24053105101001 Issue Date: Jul. 15, 2024 Prepared for Shenzhen Gotron Electronic CO.,LTD. 7B01, Building A, Block 1, Anhongji Tianyao Plaza, Longhua District, Shenzhen City, Guangdong Province China Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park, Sanwei Community,Xixiang StreetBao’an District, Shenzhen 518126 P.R. China Tel. 400-800-6106, 0755-2320 0050, 0755-2320 0090 Website: http://www.ntek.org.cn Report No.: S24053105101001 Version.1.3 Page 2 of 88 Table of Contents Page 1 TEST RESULT CERTIFICATION ...................................................................................................................... 3 2 SUMMARY OF TEST RESULTS ......................................................................................................................... 4 3 FACILITIES AND ACCREDITATIONS ............................................................................................................. 5 3.1 FACILITIES ..................................................................................................................................................... 5 3.2 LABORATORY ACCREDITATIONS AND LISTINGS ................................................................................. 5 3.3 MEASUREMENT UNCERTAINTY ............................................................................................................... 5 4 GENERAL DESCRIPTION OF EUT .................................................................................................................. 6 5 DESCRIPTION OF TEST MODES ..................................................................................................................... 8 6 SETUP OF EQUIPMENT UNDER TEST ........................................................................................................... 9 6.1 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ....................................................................... 9 6.2 SUPPORT EQUIPMENT ............................................................................................................................... 10 6.3 EQUIPMENTS LIST FOR ALL TEST ITEMS .............................................................................................. 11 7 TEST REQUIREMENTS .................................................................................................................................... 13 7.1 CONDUCTED EMISSIONS TEST ............................................................................................................... 13 7.2 RADIATED SPURIOUS EMISSION ............................................................................................................ 16 7.3 NUMBER OF HOPPING CHANNEL ........................................................................................................... 25 7.4 HOPPING CHANNEL SEPARATION MEASUREMENT ........................................................................... 26 7.5 AVERAGE TIME OF OCCUPANCY (DWELL TIME) ................................................................................ 27 7.6 20DB BANDWIDTH TEST ........................................................................................................................... 29 7.7 PEAK OUTPUT POWER .............................................................................................................................. 30 7.8 CONDUCTED BAND EDGE MEASUREMENT ......................................................................................... 31 7.9 SPURIOUS RF CONDUCTED EMISSION .................................................................................................. 32 7.10 ANTENNA APPLICATION .......................................................................................................................... 33 7.11 FREQUENCY HOPPING SYSTEM (FHSS) EQUIPMENT REQUIREMENTS ......................................... 34 8 TEST RESULTS ................................................................................................................................................... 35 8.1 DWELL TIME ................................................................................................................................................... 35 8.2 MAXIMUM CONDUCTED OUTPUT POWER ....................................................................................................... 45 8.3 -20DB BANDWIDTH ........................................................................................................................................ 51 8.4 CARRIER FREQUENCIES SEPARATION .............................................................................................................. 57 8.5 NUMBER OF HOPPING CHANNEL ..................................................................................................................... 63 8.6 BAND EDGE .................................................................................................................................................... 65 8.7 BAND EDGE(HOPPING) ................................................................................................................................... 72 8.8 CONDUCTED RF SPURIOUS EMISSION ............................................................................................................. 79 Report No.: S24053105101001 Version.1.3 Page 3 of 88 1 TEST RESULT CERTIFICATION Applicant’s name .........................: Shenzhen Gotron Electronic CO.,LTD. Address ........................................: 7B01, Building A, Block 1, Anhongji Tianyao Plaza, Longhua District, Shenzhen City, Guangdong Province China Manufacturer's Name ..................: Shenzhen Go…

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