2A7S6-GXAIMINI PC,MINI BOX

FCC Compliance Statement: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. FCC Radiation Exposure Statement This equipment must be installed and operated in accordance with provided instructions and the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. End-users and installers must be provide with antenna installation instructions and transmitter operating conditions for satisfying RF exposure

Shenzhen Guoruitong Technology Co., Ltd. Family models declaration letter. Date: July 14, 2022 We Shenzhen Guoruitong Technology Co., Ltd. Of Room 329, Block D, Economic Building, Huafeng Headquarters, Baoan District, Shenzhen Product: MINI PC,MINI BOX Model Name: GX55 Serial Model: U50,U56,U58,U68,U75,H37,H56,H58,H59,H68,N42,N50,G10, G11,G12,G35,H10,H12,H13 Difference description of series models: The differences between the models are model names and appearance color , other are the same, in order to distinguish different sales areas, different sales regions, different sales methods, different customer groups, different market positioning Thanks Sincerely Signature Name: Mo Jian Date: Jul.11,2022 Title: General manager

Shenzhen Guoruitong Technology Co., Ltd. Agent Authorization Company: Shenzhen Guoruitong Technology Co., Ltd. Address: Room 329, Block D, Economic Building, Huafeng Headquarters, Baoan District, Shenzhen Product Name: MINI PC,MINI BOX Model Number(s): GX55,U50,U56,U58,U68,U75,H37,H56,H58,H59,H68,N42,N50,G10, G11,G12,G35,H10,H12,H13 Product Description: MINI PC,MINI BOX We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: Jul.11,2022 Name: Mo Jian Title: General manager Company: Shenzhen Guoruitong Technology Co., Ltd.

Shenzhen Guoruitong Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: July 14, 2022 Subject; Request for Confidentiality FCC ID: 2A7S6-GXAI To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Software Security Requirements for UNII devices In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Mo Jian Title: General manager

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FCC ID: 2A7S6-GXAI RF Exposure Evaluation TEST STANDARDS Follow the maximum permissible exposure (MPE) limits specified in 447498 D04 Interim General Radio Frequency Exposure Guidelines v01. The gain of the antenna used in the product was extracted from the supplied antenna data sheet and the maximum total power input to the antenna was also measured. Calculate the distance from the product to the MPE limit by the formula. LIMIT For single RF sources (i.e., any single fixed RF source, mobile device, or portable device, as defined in paragraph (b)(2) of this section): A single RF source is exempt if: (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 (b)(3)(ii)(A) of Part 1.1307. Medical implant devices may only use this exemption and that in paragraph (b)(3)(ii)(A); (B) Or the available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold Pth (mW) described in the following formula. This method shall only be used at separation distances (cm) from 0.5 centimeters to 40 centimeters and at frequencies from 0.3 GHz to 6 GHz (inclusive). Pth is given by: (C) Or using below table and the minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. For the exemption in Table 1 to apply, R must be at least λ/2π, where λ is the free-space operating wavelength in meters. If the ERP of a single RF source is not easily obtained, then the available maximum time-averaged power may be used in lieu of ERP if the physical dimensions of the radiating structure(s) do not exceed the electrical length of λ/4 or if the antenna gain is less than that of a half-wave dipole (1.64 linear value). FCC ID: 2A7S6-GXAI For multiple RF sources: Multiple RF sources are exempt if: (A) The available maximum time-averaged power of each source is no more than 1 mW and there is a separation distance of two centimeters between any portion of a radiating structure operating and the nearest portion of any other radiating structure in the same device, except if the sum of multiple sources is less than 1 mW during the time-averaging period, in which case they may be treated as a single source (separation is not required). This exemption may not be used in conjunction with other exemption criteria other than those is paragraph (b)(3)(i)(A) of Part 1.1307. Medical implant devices may only use this exemption and that in paragraph (b)(3)(i)(A). (B) in the case of fixed RF sources operating in the same time-averaging period, or of multiple mobile or portable RF sources within a device operating in the same time averaging period, if the sum of the fractional contributions to the applicable thresholds is less than or equal to 1 as indicated in the following equation. Where: a = number of fixed, mobile, or portable RF sources claiming exemption using paragraph (b)(3)(i)(B) of Part 1.1307 for Pth, including existing exempt transmitters and those being added. b = number of fixed, mobile, or portable RF sources claiming exemption using paragraph (b)(3)(i)(C) of Part 1.1307 for Threshold ERP, including existing exempt transmitters and those being added. c = number of existing fixed, mobile, or portable RF sources with known evaluation for the specified minimum distance including existing evaluated transmitters. Pi = the available maximum time-averaged power or the ERP, whichever is greater, for fixed, mobile, or portable RF source i at a distance between 0.5 cm and 40 cm (inclusive). Pth,i = the exemption threshold power (Pth) according to paragraph (b)(3)(i)(B) of this section for fixed, mobile, or portable RF source i. FCC ID: 2A7S6-GXAI ERPj = the ERP of fixed, mobile, or portable RF source j. ERPth,j = exemption threshold ERP for fixed, mobile, or portable RF source j, at a distance of at least λ/2π according to the applicable formula of paragraph (b)(3)(i)(C) of Part 1.1307. Evaluatedk = the maximum reported SAR or MPE of fixed, mobile, or portable RF source k either in the device or at the transmitter site from an existing evaluation at the location of exposure. Exposure Limitk = either the general population/uncontrolled maximum permissible exposure (MPE) or specific absorption rate (SAR) limit for each fixed, mobile, or portable RF source k, as applicable from § 1.1310. Test Result of RF Exposure Evaluation This product is mobile device, minimum distance from RF sources to human body is 20cm. Protocol Output power (dBm) Tune-up power (dBm) Max tune-up power (dBm) ANT Gain ( dBi) Max EIRP (dBm) Max EIRP (mW) Limit (mW) Result BLE 1.50 1±1 2 4 6 3.98 768 PASS 2.4G WIFI 15.58 16±1 17 4 21 125.89 768 PASS 5.2G WIFI 13.15 13±1 14 3 17 50.12 768 PASS 5.8G WIFI 12.93 13±1 14 3 17 50.12 768 PASS If BLE and 2.4G WIFI operate simultaneously, then 3.98/768+125.89/768=0.1691<1 If BLE and 5.2G WIFI operate simultaneously, then 3.98/768+50.12/768=0.0704<1 If BLE and 5.8G WIFI operate simultaneously, then 3.98/768+50.12/768=0.0704<1 Then SAR evaluation is not require.

Report No.: ET-22070460E01 This test report is valid for the tested samples only. It cannot be reproduced except in full without prior written consent of Shenzhen ETR Standard Technology Co., Ltd. TEST REPORT Applicant: Shenzhen Guoruitong Technology Co., Ltd. Address of Applicant: Room 329, Block D, Economic Building, Huafeng Headquarters, Baoan District, Shenzhen Manufacturer/Factory: Shenzhen Guoruitong Technology Co., Ltd. Address of Manufacturer Room 329, Block D, Economic Building, Huafeng Headquarters, Baoan District, Shenzhen Product Name: MINI PC,MINI BOX Model No.: GX55,U50,U56,U58,U68,U75,H37,H56,H58,H59,H68,N42,N50,G10, G11,G12,G35,H10,H12,H13 Trade Mark: GXMO FCC ID: 2A7S6-GXAI Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of Test: Jul.06, 2022 - Jul.08, 2022 Date of report issued: Jul.13 2022 Test Result : PASS * Remark: * In the configuration tested, the EUT complied with the standards specified above. The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver Prepared By Shenzhen ETR Standard Technology Co., Ltd. Address: No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Compiled by: Reviewed by: Approved by: Project Engineer Project Manager Authorized Signature - Page 2 of 31 - Report No.: ET-22070460E01 Tel:(86-755) 85259392 Email:[email protected] Web: www.etrlab.cn No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Report Revision History Report No. Description Issue Date ET-22070460E01 Original Jul.13 2022 - Page 3 of 31 - Report No.: ET-22070460E01 Tel:(86-755) 85259392 Email:[email protected] Web: www.etrlab.cn No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Contents Page 1. TEST SUMMARY ..................................................................................................................................... 4 2. GENERAL INFORMATION ...................................................................................................................... 5 2.1 GENERAL DESCRIPTION OF EUT ................................................................................................................ 5 2.2 TEST MODE ............................................................................................................................................... 7 2.3 DESCRIPTION OF SUPPORT UNITS .............................................................................................................. 7 2.4 DEVIATION FROM STANDARDS .................................................................................................................... 7 2.5 ABNORMALITIES FROM STANDARD CONDITIONS .......................................................................................... 7 2.6 TEST FACILITY ........................................................................................................................................... 7 2.7 TEST LOCATION ......................................................................................................................................... 7 2.8 ADDITIONAL INSTRUCTIONS ........................................................................................................................ 7 3. TEST INSTRUMENTS LIST ..................................................................................................................... 8 4. TEST RESULTS AND MEASUREMENT DATA ...................................................................................... 9 4.1 ANTENNA REQUIREMENT ............................................................................................................................ 9 4.2 CONDUCTED EMISSIONS .......................................................................................................................... 10 4.3 CONDUCTED PEAK OUTPUT POWER ......................................................................................................... 13 4.4CHANNEL BANDWIDTH .............................................................................................................................. 14 4.5 POWER SPECTRAL DENSITY ..................................................................................................................... 16 4.6 BAND EDGES ........................................................................................................................................... 18 Conducted Emission Method .................................................................................................................. 18 Radiated Emission Method ..................................................................................................................... 19 4.7 SPURIOUS EMISSION ................................................................................................................................ 21 Conducted Emission Method .................................................................................................................. 21 Radiated Emission Method ..................................................................................................................... 23 5. TEST SETUP PHOTO ............................................................................................................................ 31 6. EUT CONSTRUCTIONAL DETAILS ..................................................................................................... 31 - Page 4 of 31 - Report No.: ET-22070460E01 Tel:(86-755) 85259392 Email:[email protected] Web: www.etrlab.cn No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shen…

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Report No.: ET-22070460E02 Tel: +86 755 85259392 Email: [email protected] No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China TEST REPORT Applicant: Shenzhen Guoruitong Technology Co., Ltd. Address of Applicant: Room 329, Block D, Economic Building, Huafeng Headquarters, Baoan District, Shenzhen Manufacturer/Factory: Shenzhen Guoruitong Technology Co., Ltd. Address of Manufacturer Room 329, Block D, Economic Building, Huafeng Headquarters, Baoan District, Shenzhen Product Name: MINI PC,MINI BOX Model No.: GX55,U50,U56,U58,U68,U75,H37,H56,H58,H59,H68,N42,N50,G10, G11,G12,G35,H10,H12,H13 Trade Mark: GXMO FCC ID: 2A7S6-GXAI Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of Test: Jul.06, 2022 - Jul.08, 2022 Date of report issued: Jul.13 2022 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Remark: The results shown in this test report refer only to the sample(s) tested , this test report cannot be reproduced, except in full without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver Prepared By Shenzhen ETR Standard Technology Co., Ltd. Address: No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Compiled by: Reviewed by: Approved by: Project Engineer Project Manager Authorized Signature - Page 2 of 52 - Report No.: ET-22060358E02 Report Revision History Report No. Description Issue Date ET-22070460E02 Original Jul.13 2022 - Page 3 of 52 - Report No.: ET-22060358E02 Tel: +86 755 85259392 Email: [email protected] No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Contents Page 1. TEST SUMMARY ..................................................................................................................................... 4 2. GENERAL INFORMATION ...................................................................................................................... 5 3.1 GENERAL DESCRIPTION OF EUT ................................................................................................................ 5 3.2 TEST MODE ............................................................................................................................................... 7 3.3 DESCRIPTION OF SUPPORT UNITS .............................................................................................................. 7 3.4 DEVIATION FROM STANDARDS .................................................................................................................... 7 3.5 ABNORMALITIES FROM STANDARD CONDITIONS .......................................................................................... 7 3.6 TEST FACILITY ........................................................................................................................................... 7 3.7 TEST LOCATION ......................................................................................................................................... 7 ADDITIONAL INSTRUCTIONS .............................................................................................................................. 7 3. TEST INSTRUMENTS LIST ..................................................................................................................... 8 4. TEST RESULTS AND MEASUREMENT DATA ...................................................................................... 9 5.1 ANTENNA REQUIREMENT ............................................................................................................................ 9 5.2 CONDUCTED EMISSIONS .......................................................................................................................... 10 5.3 CONDUCTED PEAK OUTPUT POWER ......................................................................................................... 13 5.4CHANNEL BANDWIDTH .............................................................................................................................. 15 5.5 POWER SPECTRAL DENSITY ..................................................................................................................... 19 5.6 BAND EDGES ........................................................................................................................................... 22 Conducted Emission Method .................................................................................................................. 22 Radiated Emission Method ..................................................................................................................... 25 5.7 SPURIOUS EMISSION ................................................................................................................................ 30 Conducted Emission Method .................................................................................................................. 30 Radiated Emission Method ..................................................................................................................... 35 5. TEST SETUP PHOTO ............................................................................................................................ 52 6. EUT CONSTRUCTIONAL DETAILS ..................................................................................................... 52 - Page 4 of 52 - Report No.: ET-22060358E02 Tel: +86 755 85259392 Email: [email protected] No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China 1. Test Summary Test Item Section Result Test by Antenna requirement FCC part 15.203/15.247 (c) RSS-Gen §6.8 Pass / AC Power Line Conducted Emission FCC part 15.207 RSS-Gen §8.8 Pass Qiao Li Conduct…

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ET-22070460 Page 1 of 2 Product Name: MINI PC,MINI BOX Test Model No.: GX55 Test Setup Photo Radiated Emission ET-22070460 Page 2 of 2 Conducted Emission ------End------