2A2UU-D0551Smart POS Terminal

Shanghai Xiangcheng Communication Technology Co., Ltd 2025-10-30 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: 2A2UU-D0551) [Shanghai Xiangcheng Communication Technology 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. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the “covered list”. Sincerely, (Applicant signature) (Applicant printed name) Zhouliang Shanghai Xiangcheng Communication Technology Co., Ltd 2025-10-30 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: 2A2UU-D0551) [Shanghai Xiangcheng Communication Technology 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, (Applicant signature) (Applicant printed name) Zhouliang

Shanghai Xiangcheng Communication Technology Co.,Ltd 6th Floor, Building 10, No.3000 Longdong Avenue, Pudong New District, Shanghai. Date: [2025/11/18] Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID:2A2UU‐ D0551 FRN: 0019966381 US Agent – Attestation Statement / Part 2.911(d)(7) Shanghai Xiangcheng Communication Technology Co.,Ltd ] certifies, that as of [July 3, 2025], we have designated FCC US Agent, LLC to accept service of process on our behalf for FCC ID: [2A2UU‐ D0551]. [Shanghai Xiangcheng Communication Technology Co.,Ltd ], accepts to maintain an agent of service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. FCC US Agent, LLC, accepts as of the date of the filing of this application, the obligation of being the designated agent for the purpose of accepting service of process on behalf of [Shanghai Xiangcheng Communication Technology Co.,Ltd ] for FCC ID: [2A2UU‐ D0551]. Designated Agent Information: Company Name: FCC US Agent, LLC FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Phone: 708-571-3148 Email: [email protected] Sincerely, Company: Shanghai Xiangcheng Communication Technology Co.,Ltd Designated Agent: FCC US Agent, LLC Company Representative: Zhouliang Designated Agent Representative: Tim Payne Signature: Signature:

Shanghai Xiangcheng Communication Technology Co.,Ltd Request for Confidentiality Date: October 31, 2025 Subject: Confidentiality Request for: FCC ID: 2A2UU-D0551 Pursuant to FCC 47 CRF 0.457(d), the applicant requests that a part of the subject FCC application be held confidential. Type of Confidentiality Requested Exhibit Short Term Permanent Block Diagrams Short Term External Photos Short Term Permanent* 1 Internal Photos Short Term Permanent Operation Description/Theory of Operation Short Term Permanent Parts List & Placement/BOM Short Term Permanent Schematics Short Term Permanent FCC SW SECURITY DESCRIPTION Short Term Permanent Tune Up Information Short Term Permanent Test Setup Photos Short Term Permanent* User’s Manual *Note: ______(Insert Explanation as Necessary)______ Shanghai Xiangcheng Communication Technology has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality: The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of _45 __ days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify TCB in the event information regarding the product or the product is made available to the public. TCB will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. NOTE for Industry Canada Applications: The applicant understands that until such time that IC distinguishes between Short Term and Permanent Confidentiality, either type of marked exhibit above will simply be marked Confidential when submitted to IC. Sincerely, Signature: Printed Name of Signee: Zhouliang Company: Shanghai Xiangcheng Communication Technology Co.,Ltd Phone: N/A Email: [email protected] Shanghai Xiangcheng Communication Technology Co.,Ltd Job title: Product Manager

Shanghai Xiangcheng Communication Technology Co., Ltd POWER OF ATTORNEY DATE: 11/17/2025 To. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 We, Shanghai Xiangcheng Communication Technology Co., Ltd the undersigned, hereby authorize Eurofins TA Technology (Shanghai) Co., Ltd. / Sharon huang on our behalf, to apply to FCC on our equipment for FCC ID: 2A2UU- D0551.Any and all acts carried out by Eurofins TA Technology(Shanghai) Co., Ltd. / Sharon huang on our behalf shall have the same effectas acts of our own. Sincerely, Company: Shanghai Xiangcheng Communication Technology Co.,Ltd Company Representative: Zhouliang Signature:

所有字体均为Arial regular 6pt HW、SN 打印规则见生产通知单 code 128条码高度4mm 注：条码需加返白框，建议 左右各留2mm反白区域且上下留白 RJ12 USB-A*2 Ear-Jack Micro-USB USB-A DC RJ45 Intelligent Desktop Computer Gemini1 SE SN:XXXXXXXXXXXXXXX HW:XXXXXXXXXXXXXXX FCC ID: 2A2UU-D0551 Shanghai Xiangcheng Communication Technology Co., LtdMade in China

Prepared by: Wei Fangying Approved by: Xu Kai Eurofins TA Technology (Shanghai) Co., Ltd. Building 3, No.145, Jintang Rd, Pudong Shanghai, P.R.China TEL: +86-021-50791141/2/3 FAX: +86-021-50791141/2/3-8000 MPE TEST REPORT Applicant Shanghai Xiangcheng Communication Technology Co., Ltd FCC ID 2A2UU-D0551 Product Intelligent Desktop Computer Brand Nebullar Marketing Name Gemini1 SE Model Gemini1 SE Report No. EFTA25080186-IE-10-M1 Issue Date November 12, 2025 Eurofins TA Technology (Shanghai) Co., Ltd. tested the above equipment in accordance with the requirements in FCC 47 CFR Part 1 §1.1310, §2.1091. The test results show that the equipment tested can demonstrate the compliance with the requirements as documented in this report. MPE Test Report Report No.: EFTA25080186-IE-10-M1 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-014S Page 2 of 9 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Table of Contents 1 Test Laboratory ................................................................................................................................. 3 1.1 Notes of the Test Report ............................................................................................................ 3 1.2 Test Facility ................................................................................................................................ 3 1.3 Testing Location......................................................................................................................... 3 1.4 Laboratory Environment ............................................................................................................ 3 2 Description of Equipment Under Test ............................................................................................... 4 3 Maximum Output Power (Measured) and Antenna Gain .................................................................. 5 4 MPE Limit .......................................................................................................................................... 6 5 RF Exposure Evaluation Result ........................................................................................................ 8 ANNEX A: The EUT Appearance ............................................................................................................. 9 MPE Test Report Report No.: EFTA25080186-IE-10-M1 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-014S Page 3 of 9 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 1 Test Laboratory 1.1 Notes of the Test Report This report shall not be reproduced in full or partial, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 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 the applicable standards stated above. 1.2 Test Facility FCC (Designation number: CN1179, Test Firm Registration Number: 446626) Eurofins TA Technology (Shanghai) Co., Ltd. has been listed on the US Federal Communications Commission list of test facilities recognized to perform measurements. 1.3 Testing Location Company: Eurofins TA Technology (Shanghai) Co., Ltd. Address: Building 3, No.145, Jintang Rd, Pudong Shanghai, P.R.China City: Shanghai Post code: 201201 Country: P. R. China Contact: Xu Kai Telephone: +86-021-50791141/2/3 Fax: +86-021-50791141/2/3-8000 Website: https://www.eurofins.com/electrical-and-electronics E-mail: [email protected] 1.4 Laboratory Environment Temperature Min. = 18C, Max. = 25C Relative humidity Min. = 20%, Max. = 80% Ground system resistance < 0.5  Ambient noise is checked and found very low and in compliance with requirement of standards. Reflection of surrounding objects is minimized and in compliance with requirement of standards. MPE Test Report Report No.: EFTA25080186-IE-10-M1 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-014S Page 4 of 9 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 2 Description of Equipment Under Test Client Information Applicant Shanghai Xiangcheng Communication Technology Co., Ltd Applicant address 6th Floor, Building 10, No. 3000 Longdong Avenue, Pudong New Area, Shanghai,China Manufacturer Shanghai Xiangcheng Communication Technology Co., Ltd Manufacturer address 6th Floor, Building 10, No. 3000 Longdong Avenue, Pudong New Area, Shanghai,China General Technologies EUT Description Model Gemini1 SE Lab Internal SN EFTA25080186-IE-10/S01 Hardware Version V1.0A Software Version d0551 nebullar combo 20250812 2025 08 12 13 31 Frequency Band TX (MHz) RX (MHz) Wi-Fi 2.4G 2400 ~ 2483.5 2400 ~ 2483.5 Wi-Fi 5GHz (U-NII-1) 5150 ~ 5250 5150 ~ 5250 Wi-Fi 5GHz (U-NII-2A) 5250 ~ 5350 5250 ~ 5350 Wi-Fi 5GHz (U-NII-2C) 5470 ~ 5600 5650 ~ 5725 5470 ~ 5600 5650 ~ 5725 Wi-Fi 5GHz (U-NII-3) 5725~5850 5725~5850 Bluetooth 2400 ~ 2483.5 2400 ~ 2483.5 EUT Accessory AC Adapter 1 Manufacturer: Hunan Dajing Power Technology Co., Ltd. Model: 20202K-240150C AC Adapter 2 Manufacturer: Hunan Dajing Power Technology Co., Ltd. Model: 20202K-240150E AC Adapter 1 Manufacturer: Hunan Dajing Power Technology Co., Ltd. Model: 20202K-240150U Date of Testing August 21, 2025 ~ August 30, 2025 Date of Sample Received August 14, 2025 Note: 1. The EUT is sent from the applicant to Eurofins TA and the information of the EUT is declared by the applicant. 2. All indications of Pass/Fail in this report are opinions expressed by Eurofins TA Technology (Shanghai) Co., Ltd. based on interpretations and/or observations of test results. Measurement Uncertainties were not taken into account and are publi…

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Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 1 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. ANNEX A: Test Result 1. Unwanted Emission The radiated emission was measured in the following position: EUT stand-up position (Z axis), lie-down position (X, Y axis). The worst emission was found in lie-down position (X axis) and the loop antenna is vertical, the others are vertical and horizontal. and the worst case was recorded. Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 2 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 1.1. Wi-Fi 5GHz The following graphs display the maximum values of horizontal and vertical by software. Blue trace uses the peak detection, Green trace uses the average detection. A symbol () in the test plot below means (dBμV/m) The modulation and bandwidth are similar for 802.11n mode for 20MHz/40MHz and 802.11ac mode for V20MHz/V40MHz, therefore investigated worst case to representative mode in test report. The signal beyond the limit is carrier. BANDEDGE_5G Wi-Fi 802.11a CH36_X_54M_TP16_5.1-5.19GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 3 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. BANDEDGE_5G Wi-Fi 802.11a CH48_X_54M_TP16_5.23-5.46GHz BANDEDGE_5G Wi-Fi 802.11a CH52_X_54M_TP16_5.1-5.27GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 4 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. BANDEDGE_5G Wi-Fi 802.11a CH64_X_54M_TP16_5.31-5.46GHz BANDEDGE_5G Wi-Fi 802.11a CH100_X_54M_TP16_5.35-5.51GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 5 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. BANDEDGE_5G Wi-Fi 802.11a CH140_X_54M_TP16_5.69-5.755GHz BANDEDGE_5G Wi-Fi 802.11a CH144_X_54M_TP16_5-6GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 6 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. BANDEDGE_5G Wi-Fi 802.11a CH149_X_54M_TP16_5.6-5.755GHz BANDEDGE_5G Wi-Fi 802.11a CH165_X_54M_TP16_5.81-5.95GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 7 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. BANDEDGE_5G Wi-Fi 802.11n(20) CH36_X_MCS7_TP16_5.1-5.19GHz BANDEDGE_5G Wi-Fi 802.11n(20) CH44_X_MCS7_TP16_5.23-5.46GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 8 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. BANDEDGE_5G Wi-Fi 802.11n(20) CH52_X_MCS7_TP16_5.1-5.27GHz BANDEDGE_5G Wi-Fi 802.11n(20) CH64_X_MCS7_TP16_5.31-5.46GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 9 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. BANDEDGE_5G Wi-Fi 802.11n(20) CH100_X_MCS7_TP16_5.35-5.51GHz BANDEDGE_5G Wi-Fi 802.11n(20) CH140_X_MCS7_TP16_5.69-5.755GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 10 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. BANDEDGE_5G Wi-Fi 802.11n(20) CH144_X_MCS7_TP16_5-6GHz BANDEDGE_5G Wi-Fi 802.11n(20) CH149_X_mcs7_TP16_5.6-5.755GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 11 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. BANDEDGE_5G Wi-Fi 802.11n(20) CH165_X_MCS7_TP16_5.81-5.95GHz BANDEDGE_5G Wi-Fi 802.11n(40) CH38_X_MCS7_TP16_5.1-5.21GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 12 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. BANDEDGE_5G Wi-Fi 802.11n(40) CH46_X_MCS7_TP16_5.21-5.46GHz BANDEDGE_5G Wi-Fi 802.11n(40) CH54_X_MCS7_TP16_5.21-5.46GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 13 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. BANDEDGE_5G Wi-Fi 802.11n(40) CH62_X_MCS7_TP16_5.29-5.46GHz BANDEDGE_5G Wi-Fi 802.11n(40) CH102_X_MCS7_TP16_5.35-5.53GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 14 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. BANDEDGE_5G Wi-Fi 802.11n(40) CH134_X_MCS7_TP16_5.65-5.735GHz BANDEDGE_5G Wi-Fi 802.11n(40) CH142_X_MCS7_TP16_5-6GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 15 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. BANDEDGE_5G Wi-Fi 802.11n(40) CH151_X_MCS7_TP16_5.6-5.775GHz BANDEDGE_5G Wi-Fi 802.11n(40) CH159_X_MCS7_TP16_5.77-5.95GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shangha…

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Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 66 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 802.11n (HT20) CH149 Frequency [MHz] PK+ Level [dBμV/m] PK+ Limit [dBμV/m] PK+ Margin [dB] AVG Level [dBμV/m] AVG Limit [dBμV/m] AVG Margin [dB] Correction [dB] Polarization Azimuth [deg] Antenna Height [m] Meas. Time [s] 1,186.375 48.01 74.00 25.99 35.69 54.00 18.31 -4.70 H 194.8 1.00 1.000 1,249.375 48.89 68.20 19.31 37.08 -4.28 H 201.9 1.00 1.000 1,336.000 52.24 74.00 21.76 39.54 54.00 14.46 -4.27 H 187.1 1.00 1.000 1,828.625 44.18 68.20 24.02 32.31 -3.27 H 74.3 1.00 1.000 2,269.625 46.60 74.00 27.40 34.78 54.00 19.22 -0.84 V 337.6 2.00 1.000 2,562.750 48.22 68.20 19.98 36.39 0.70 H 209.3 1.00 1.000 3,080.750 50.73 68.20 17.47 38.78 2.21 H 172 1.00 1.000 3,415.000 50.73 68.20 17.47 38.68 2.03 H 270.2 1.00 1.000 4,234.875 55.52 74.00 18.48 43.85 54.00 10.15 6.41 V 119.1 2.00 1.000 4,976.875 58.80 74.00 15.20 47.07 54.00 6.93 9.11 H 285.2 1.00 1.000 5,265.625 58.56 68.20 9.64 46.40 8.54 H 157.3 2.00 1.000 7,426.000 64.57 74.00 9.43 52.52 54.00 1.48 11.33 V 28.6 2.00 1.000 Note: The signal beyond the limit is carrier. Radiates Emission from 1GHz to 8GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 67 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Frequency [MHz] PK+ Level [dBμV/m] PK+ Limit [dBμV/m] PK+ Margin [dB] AVG Level [dBμV/m] AVG Limit [dBμV/m] AVG Margin [dB] Correction [dB] Polarization Azimuth [deg] Antenna Height [m] Meas. Time [s] 8,292.500 49.05 74.00 24.95 37.56 54.00 16.44 6.71 H 80.4 2.00 1.000 8,782.500 48.32 68.20 19.88 36.34 4.70 V 125.3 2.00 1.000 9,053.750 47.74 74.00 26.26 36.08 54.00 17.92 5.58 V 91.7 2.00 1.000 9,380.000 48.42 74.00 25.58 36.15 54.00 17.85 6.13 H 2.1 2.00 1.000 10,138.750 48.40 68.20 19.80 36.51 5.56 H 138.2 2.00 1.000 11,487.500 60.88 74.00 13.12 45.04 54.00 8.96 7.04 H 178.7 2.00 1.000 12,801.250 48.21 68.20 19.99 35.84 6.53 H 2.1 2.00 1.000 13,627.500 48.33 68.20 19.87 36.31 6.90 V 125.3 2.00 1.000 14,836.250 48.01 68.20 20.19 36.27 6.78 H 22.8 2.00 1.000 15,488.750 48.04 74.00 25.96 36.07 54.00 17.93 6.55 H 55.9 2.00 1.000 17,446.250 48.86 68.20 19.34 36.04 9.12 V 3.4 2.00 1.000 17,818.750 53.11 74.00 20.89 41.31 54.00 12.69 13.86 H 176.7 2.00 1.000 Radiates Emission from 8GHz to 18GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 68 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 802.11n (HT20) CH157 Frequency [MHz] PK+ Level [dBμV/m] PK+ Limit [dBμV/m] PK+ Margin [dB] AVG Level [dBμV/m] AVG Limit [dBμV/m] AVG Margin [dB] Correction [dB] Polarization Azimuth [deg] Antenna Height [m] Meas. Time [s] 1,173.250 47.33 74.00 26.67 35.26 54.00 18.74 -5.02 H 195.8 1.00 1.000 1,286.125 50.36 68.20 17.84 38.92 -4.20 H 195.8 1.00 1.000 1,335.125 51.84 74.00 22.16 39.54 54.00 14.46 -4.26 H 188.3 1.00 1.000 1,802.375 43.74 68.20 24.46 32.08 -3.49 H 272.4 2.00 1.000 2,295.875 46.60 74.00 27.40 34.89 54.00 19.11 -0.71 H 47 1.00 1.000 2,546.125 48.34 68.20 19.86 36.12 0.34 V 88.4 2.00 1.000 2,779.750 49.56 74.00 24.44 37.41 54.00 16.59 1.34 V 141 2.00 1.000 3,086.875 50.87 68.20 17.33 38.71 2.24 H 262.9 1.00 1.000 3,443.000 51.27 68.20 16.93 38.86 2.04 H 112.8 2.00 1.000 4,962.000 59.18 74.00 14.82 47.21 54.00 6.79 9.16 H 22.2 2.00 1.000 6,406.625 62.80 68.20 5.40 50.90 11.65 V 118.6 2.00 1.000 7,447.000 64.19 74.00 9.81 52.51 54.00 1.49 11.31 H 360 2.00 1.000 Note: The signal beyond the limit is carrier. Radiates Emission from 1GHz to 8GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 69 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Frequency [MHz] PK+ Level [dBμV/m] PK+ Limit [dBμV/m] PK+ Margin [dB] AVG Level [dBμV/m] AVG Limit [dBμV/m] AVG Margin [dB] Correction [dB] Polarization Azimuth [deg] Antenna Height [m] Meas. Time [s] 8,286.250 49.83 74.00 24.17 37.67 54.00 16.33 6.63 H 21.3 2.00 1.000 8,778.750 47.69 68.20 20.51 36.50 4.67 H 78.9 2.00 1.000 9,092.500 47.25 74.00 26.75 35.65 54.00 18.35 5.76 H 70.5 2.00 1.000 9,418.750 47.97 74.00 26.03 36.18 54.00 17.82 6.08 H 95.6 2.00 1.000 10,128.750 48.38 68.20 19.82 36.44 5.58 V 150.2 2.00 1.000 11,573.750 62.56 74.00 11.44 46.92 54.00 7.08 6.20 H 180 2.00 1.000 12,752.500 47.32 68.20 20.88 35.77 6.51 V 9.3 2.00 1.000 14,113.750 47.81 68.20 20.39 36.04 6.92 H 70.5 2.00 1.000 14,878.750 49.06 68.20 19.14 36.56 7.27 V 180 2.00 1.000 15,488.750 48.63 74.00 25.37 36.27 54.00 17.73 6.55 H 37.7 2.00 1.000 17,451.250 48.04 68.20 20.16 36.33 9.17 V 92.5 2.00 1.000 17,840.000 53.82 74.00 20.18 42.18 54.00 11.82 14.08 H 29.2 2.00 1.000 Radiates Emission from 8GHz to 18GHz Test Result Report No.: EFTA25080186-IE-09-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 70 of 105 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 802.11n (HT20) CH165 Frequency [MHz] PK+ Level [dBμV/m] PK+ Limit [dBμV/m] PK+ Margin [dB] AVG Level [dBμV/m] AVG Limit [dBμV/m] AVG Margin [dB] Correction [dB] Polarization Azimuth [deg] Antenna Height [m] Meas. Time [s] 1,185.500 45.76 74.00 28.24 33.76 54.00 20.24 -4.70 H 177 1.00 1.000 1,256.375 49.61 68.20 18.59 37.71 -4.25 H 180 1.00 1.000 1,344.750 52.00 74.00 22.00 38.57 54.00 15.43 -4.38 H 180 1.00 1.000 1,775.250 40.51 68.20 27.69 28.00 -3.52 H 157.6 1.00 1.000 2,316.875 40.34 74.00 33.66 28.91 54.00 25.09 -0.61 H 180 2.00 1.000 2,589.875 41.66 68.20 26.54 29.80 0.58 V 0 2.00 1.000 3,058.875 43.62 68.20 24.58 31.70 2.20 H 114.9 2.00 1.000 3,491.125 43.…

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Part1：machineinformation 1、MachineIMEI：/ 2、Frequencybandinformation：GSM：UMTS：LTE：/ 3、Antennalogic RF1：/ RF2：/ RF3：/ RF4：/ 4、Antennaversionandtestingtime： Mainantenna：/ Subantenna：/ GPSWiFiantenna：V04-20250820 5、BOMinformation：（valuecorrespondingtothepositionnumber） Mainantenna：/ Subantenna：/ GPSWiFiantenna：/ 6、Existingproblem：（Possibletextualdescriptionorpictorialillustration） 7、Environmentaltreatment：（Possibletextualdescriptionorpictorialillustration） Part2：Nosourcedebugdata,waveforms,ordirection. Freq/(MHz) 2400 Effi/(%) 40.11 40.16 41.71 41.12 42.11 42.79 43.02 42.84 42.1 Effi/(dB)Gain/(dBi) -3.97 -3.96 -3.8 2.9 2.71 2.87 2410 2420 2430 2440 2450 2460 2470 2480 2490 2500 -3.86 -3.76 -3.69 -3.66 -3.68 -3.76 -3.85 -3.96 2.69 2.74 3.1 2.45 2.63 2.51 2.54 2.7 41.18 40.21 5150 5200 5250 5300 5350 5400 5450 5500 5550 5600 5650 5700 5750 5800 5850 50.34 50.1 50.1 -2.98 -3 -3 1.6 1.52 1.41 1.38 1.69 1.58 1.63 1.42 0.89 0.98 0.69 0.78 0.96 0.59 0.71 50.11 50.39 50.65 51.05 51.46 51.87 52.16 52.28 51.8 -3 -2.98 -2.95 -2.92 -2.89 -2.85 -2.83 -2.82 -2.86 -2.91 -2.98 -3.05 51.17 50.37 49.55 Part3：Activedebugdata DVT1machine（1#）DVT1machine（2#） WIFIOTAtestWIFIOTAtest frequency WIFI11a（54M） WIFI11b（11M) WIFI11g Channel conductionValue StandardfrequencyChannel ConductionValue Standard TRPTIS / / / / / / / / / / / / TRPTISTRPTIS / / / / / / / / / / / / TRPTIS 36/ / / / / / / / / / / / 10.95 11.11 11.09 15.34 15.39 14.96 13.28 13.45 12.3 -70.97 -72.27 -71.03 -83.55 -85.72 -85.28 -71.11 -72.69 -72.19 68.09 36 157 165 1 7 13 1 7 13 1 7 13 / / / / / / / / / / / / 10.89 11.82 11.52 15.94 15.81 15.22 12.22 13.45 12.63 14.24 14.3 -70.77 -72.68 -71.91 -83.64 -84.28 -84.81 -71.05 -71.61 -71.42 -68.45 -68.57 -68.1 TRP:≥10dBm TIS:≤-70dBm TRP:≥10dBm TIS:≤-70dBm 157 165 1 7 13 1 7 13 1 7 13 WIFI11a（54M） WIFI11b（11M) WIFI11g TRP:≥12dBm TIS:≤-83dBm TRP:≥12dBm TIS:≤-83dBm TRP:≥10dBm TIS:≤-70dBm TRP:≥10dBm TIS:≤-70dBm 13.84 14.04 13.75 TRP:≥8dBm TIS:≤-68dBm TRP:≥8dBm TIS:≤-68dBm WIFI11n -68.63 -68.45 WIFI11n 13.7 Criteriaforjudgmentduringtheresearchanddevelopmentstage ClassAissues:Testresultsarebelowthestandardbymorethan1.5dbm ClassBissues:Testresultsarebelowthestandardby0.5to1.5dbm ClassCissues:Testresultsarebelowthestandardby0.5dbm Allow1B3CB C类问题：测试结果低于标准0.5dbm 允许1B3C Part4：Conclusion Currently,theantennadataofversion04hasmetthestandards.Theabovearethesampledataofversion04.

Prepared by: Xu Ying Approved by: Xu Kai Eurofins TA Technology (Shanghai) Co., Ltd. Building 3, No.145, Jintang Rd, Pudong Shanghai, P.R.China TEL: +86-021-50791141/2/3 FAX: +86-021-50791141/2/3-8000 RF TEST REPORT Applicant Shanghai Xiangcheng Communication Technology Co., Ltd FCC ID 2A2UU-D0551 Product Intelligent Desktop Computer Brand Nebullar Model Gemini1 SE Report No. EFTA25080186-IE-09-R3 Issue Date October 30, 2025 Eurofins TA Technology (Shanghai) Co., Ltd. tested the above equipment in accordance with the requirements in FCC CFR47 Part 15E (2024). The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. RF Test Report Report No.: EFTA25080186-IE-09-R3 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-006R Page 2 of 108 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. TABLE OF CONTENT 1. Test Laboratory ............................................................................................................................... 4 1.1. Notes of the test report ........................................................................................................... 4 1.2. Test facility .............................................................................................................................. 4 1.3. Testing Location...................................................................................................................... 4 2. General Description of Equipment under Test ............................................................................... 5 2.1. Applicant and Manufacturer Information ................................................................................ 5 2.2. General information ................................................................................................................ 5 3. Applied Standards ........................................................................................................................... 7 4. Test Configuration ........................................................................................................................... 8 5. Test Case ...................................................................................................................................... 10 5.1. Occupied Bandwidth ............................................................................................................. 10 5.2. Average Power Output ......................................................................................................... 11 5.3. Frequency Stability ............................................................................................................... 13 5.4. Power Spectral Density ........................................................................................................ 15 5.5. Unwanted Emission ......................................................................................................…

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