2A8TN-C-BOX-M2Mini Computer

Enable Bluetooth and Wi-Fi: Access the settings or control panel of your mini computer and enable both Bluetooth and Wi-Fi functionality Pair/connect Bluetooth devices: you'll need to pair your mini computer with compatible Bluetooth devices such as speakers, headphones, keyboards, or mice Connect to Wi-Fi network: From the network settings, scan for available Wi-Fi networks, select your preferred network, and enter the necessary credentials (such as the network name and password) to establish a connection. Once connected, you can start using Bluetooth and Wi-Fi features on your mini computer Accédez aux paramètres ou au panneau de contrôle de votre mini-ordinateur et activez à la fois la fonctionnalité Bluetooth et Wi-Fi. Appairer/connecter des appareils Bluetooth : Vous devrez appairer votre mini-ordinateur avec des appareils Bluetooth compatibles tels que des enceintes, des écouteurs, des claviers ou des souris. Se connecter à un réseau Wi-Fi : à partir des paramètres réseau, recherchez les réseaux Wi-Fi disponibles, sélectionnez votre réseau préféré et saisissez les informations requises (comme le nom du réseau et le mot de passe) pour établir une connexion. Une fois connecté, vous pouvez commencer à utiliser les fonctionnalités Bluetooth et Wi-Fi sur votre mini-ordinateur.

FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. 5150-5250MHz used indoor only 5150-5250MHz utilisé à l'intérieur uniquement

Shenzhen Piesia Electronic Technology Co.,Ltd Area B,2/F,Building N,Xinwei 3rd Industrial Zone,Dalang Community,Longhua Baoan District,Shenzhen City, China Tel: 18927456438 Email: [email protected] Attestation Letter Date: 2023-04-28 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam: Our product: Mini Computer, Model: C-BOX-M2, C-BOX-M3, C-BOX-M4, C-BOX-M5, FCC ID: 2A8TN-C-BOX-M2, for use in the USA market, this product only supports Bluetooth, BLE 1M, 2.4G Wi-Fi (2412-2462MHz/2422-2452MHz; 802.11b/g/n ht20/n ht40 mode), 5G Wi-Fi (5150-5250MHz, 5725-5850MHz; 802.11a/n ht20/n ht40/ac vht20/ac vht40/ac vht80 mode). The other functions, bands and modes was disabled to use by manufacturer in the software, the end user has no capability to activate it. Sincerely, Signature Key Huang/Manager

Shenzhen Piesia Electronic Technology Co.,Ltd Area B,2/F,Building N,Xinwei 3rd Industrial Zone,Dalang Community,Longhua Baoan District,Shenzhen City, China Tel: 18927456438 Email: [email protected] CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 2023-04-28 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID:2A8TN-C-BOX-M2 Shenzhen Piesia Electronic Technology Co.,Ltd 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, Signature Contact Person: Key Huang Title: Manager

Shenzhen Piesia Electronic Technology Co.,Ltd Area B,2/F,Building N,Xinwei 3rd Industrial Zone,Dalang Community,Longhua Baoan District,Shenzhen City, China Tel: 18927456438 Email: [email protected] CFR 47 §2.911 (d)(5)(ii) Attestation Letter Attestation Letter Date: 2023-04-28 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(ii) Filing FCC ID:2A8TN-C-BOX-M2 Shenzhen Piesia Electronic Technology Co.,Ltd 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, Signature Contact Person: Key Huang Title: Manager

Shenzhen Piesia Electronic Technology Co.,Ltd Area B,2/F,Building N,Xinwei 3rd Industrial Zone,Dalang Community,Longhua Baoan District,Shenzhen City, China Tel: 18927456438 Email: [email protected] QA-FR-170-B 7/29/2014 FCC Authorization Date: 2023-04-28 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, Shenzhen Piesia Electronic Technology Co.,Ltd, the undersigned, hereby authorizes China Certification ICT Co., Ltd (Dongguan) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by China Certification ICT Co., Ltd (Dongguan) on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature Contact Person: Key Huang Title: Manager

Shenzhen Piesia Electronic Technology Co.,Ltd Area B,2/F,Building N,Xinwei 3rd Industrial Zone,Dalang Community,Longhua Baoan District,Shenzhen City, China Tel: 18927456438 Email: [email protected] FCC Confidential Authorization Date: 2023-04-28 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2A8TN-C-BOX-M2 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Shenzhen Piesia Electronic Technology Co.,Ltd hereby requests long-term confidential treatment of information accompanying this application as outlined below:  Block Diagram  Schematics  Operation Description  Software Security Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature Key Huang/Manager

Shenzhen Piesia Electronic Technology Co.,Ltd Area B,2/F,Building N,Xinwei 3rd Industrial Zone,Dalang Community,Longhua Baoan District,Shenzhen City, China Tel: 18927456438 Email: [email protected] Declaration of Similarity Date：2023-04-28 To: FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, We, Shenzhen Piesia Electronic Technology Co.,Ltd, hereby declare that we have a product named as Mini Computer,(model: C-BOX-M2, FCC ID: 2A8TN-C-BOX-M2) was tested by China Certification ICT Co., Ltd (Dongguan), Meanwhile, for our marketing purpose, we would like to list a series model (C-BOX-M3, C-BOX-M4, C-BOX-M5) on reports and certificate, all the models are identical in electrically. Only the model name is different. No other changes are made on them. We confirm that all information above is true, and we’ll be responsible for all the consequences. Please contact me if you have any question. Best Regards, Sincerely, Signature Key Huang/Manager

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS EUT

Label Label location

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Uncover Antenna BT/WLAN Chain 1 Antenna WLAN Chain 0 Antenna Chip BT/WLAN Chain 1 WLANChain 0 Chip Chip

China Certification ICT Co., Ltd (Dongguan) Report No.: CR230418753-00E Page 90 of 91 5. RF EXPOSURE EVALUATION 5.1 MPE-Based Exemption 5.1.1 Applicable Standard According to §1.1307(b)(3)(i) (C) Or using Table 1 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). Table 1 to § 1.1307(b)(3)(i)(C) - Single RF Sources Subject to Routine Environmental Evaluation RF Source frequency (MHz) Threshold ERP (watts) 0.3-1.34 1,920 R 2 . 1.34-30 3,450 R 2 /f 2 . 30-300 3.83 R 2 . 300-1,500 0.0128 R 2 f. 1,500-100,000 19.2R 2 . 5.1.2 Measurement Result Operation Modes Frequency (MHz) λ/2π (mm) Distance (mm) Exemption ERPMaximum Conducted Power including Tune-up Tolerance (dBm) Antenna Gain (dBi) ERP (dBm) MPE- Based Exemption (mW)(dBm) BDR/EDR 2402-2480 19.88 200 768 28.85 4 2.31 4.16 Compliant BLE 2402-2480 19.88 200 768 28.85 3 2.31 3.16 Compliant WLAN 2.4G 2412-2462 19.80 200 768 28.85 19 2.31 19.16 Compliant WLAN 5.2G 5180-5240 9.22 200 768 28.85 13 8.19 19.04 Compliant WLAN 5.8G 5745-5825 8.31 200 768 28.85 14 7.96 19.81 Compliant Note: The Maximum Conducted Power including Tune-up Tolerance was declared by manufacturer. The Bluetooth, WLAN 2.4G/5G can`t transmission simultaneously. Result: The device compliant the MPE-Based Exemption at 20cm distances.

SHENZHENSUNSHOWINDUSTRIALCO;LTD Model:C-BOX-M2 Date：2023.04.13 -1- Productspecificationacknowledgment. ShenzhenSUNSHOWantennalab R&DcenterinShenZhen Themobilecommunicationterminalantenna PRODUCTNAME1115110031 CUSTOMERNAME accountpartyDevelopmentparty Customeracknowledges Quality Department DateDate approvedbR&DDepartmenty ：： 2023 / 04 / 13 Xia Bing An Guo Bing Pu De Hui Shenzhen Piesia Electronic Technology Co.,Ltd 3rd Floor, Building 2, No. 2, Wayaokeng North Industrial Zone, Wulian Community, Longgang District, Shenzhen SHENZHENSUNSHOWINDUSTRIALCO;LTD Model:C-BOX-M2 Date：2023.04.13 -2- 1.aim FortheProductionfromshenzhenSUNSHOWcommunicationequipmentco.,LTD.Thatmobile communicationterminalantennaproductspecificationsandtestmethodsforspecification,avoidthe testconditions,theerrorcausedbydifferentmethods 2.Antennadebugdesignrequirementfrequencyband. frequency frequencyband WIFI2.4GHZ/5.8GHZ other / SHENZHENSUNSHOWINDUSTRIALCO;LTD Model:C-BOX-M2 Date：2023.04.13 -3- 一、Electricalfactor 1.FrenquencyrangeWIFI:2.4G/5.8G 2.Impedance50Ω 3.VSWR≤2 4. 5. PolarizationVertical 6. RadiationOmniAntenna Maximunpowerlnput-watts50W 二、Mechanicalperformance 1.Dimension35.7MM*16.8MM 2.ConnectorIPEX-4 3.Radomematerial 4.Radomecolor 5.Workingtemperature-20°C～80°C 6.Storagetemperature-40°C～85°C SHENZHENSUNSHOWINDUSTRIALCO;LTD Model:C-BOX-M2 Date：2023.04.13 -4- 3.Productcellphoneandskychart. Theantenna SHENZHENSUNSHOWINDUSTRIALCO;LTD Model:C-BOX-M2 Date：2023.04.13 -5- 4.electrical 4.1Testmethoddescriptionanddata. Devicenameuse VectorNetworkAnalyzerS11/Impedance/PassiveTest Agilent8960 SP6010 R&SCMU200 GSM,GPRS,EDGE,CDMA2000,1xev-do, td-scdma,WCDMA,HSDPAmobilephonemobile communicationequipmenttest. R&SCMW500 MT8820C Includingtd-scdma,WCDMA, HSDPA,LTE,WIFI,GPSmobilephonemobile communicationequipmenttest. SP9500E Contains5G,SA,NSA AgilentE4438C TestactiveGPS MVGChamber PassiveTest/OTAactiveTest/Efficiency/Gain 4.2PassiveTestReport Testequipment:networkanalyzer. Testmethod:witha50ohmCABLECABLEfromtheinstrumenttestportisderived,usingthecalibrationaftera calibrationmechanismofSMAconnector,connectinghandrecordsrelatedtothefrequencypointscorresponding returnlossandstandingwaveratiodata. SHENZHENSUNSHOWINDUSTRIALCO;LTD Model:C-BOX-M2 Date：2023.04.13 -6- 4.3ActiveTestReport TRP/TIS Fromtestingtools,measuring,networkanalyzer,fullwavesfarfieldETS,FrenchMVGSG24LT(Satmio)near field3dmicrowavedarkroom,thehighprecisionpositioningsystemanditscontrollerandthecomputerwith automatictestproceduretestenvironment:thetemperatureof22°C+3°C,humidity60%plusorminus60% testmethods:UsingESTor24ltSatimosystemsoftwareTestmethodandcalculationofTRPwhentestedTRP, DUT(DeviceUnderTest)isinastateofmaximumtransmittedpower,includingthreetochoosechannelTest,by positioningsystemcontrolthelocationoftheDUT,with15degreesforsteplength,measuringthreedimensional space,theeffectiveradiatedpower(EIRP)atvariouspointsthroughtheaverageoftheintegralsphere, computationformulaisasfollows InTIStest,theDUTatthemaximumtransmissionpowerofthestate,includingthreetochoosechanneltest,by controllingthelocationoftheDUT,at30degreesforthesteplength,measuringthethreedimensionalspace eachpointreceivingsensitivity,theaverageofthespherebyintegralcalculation,calculationformulaisasfollows: SHENZHENSUNSHOWINDUSTRIALCO;LTD Model:C-BOX-M2 Date：2023.04.13 -7- Matchingcircuitdescription Note:wedonotdebugtheantennamatchingcircuit. 4.4PassiveTestReport 2.4G/Efficiencygain SHENZHENSUNSHOWINDUSTRIALCO;LTD Model:C-BOX-M2 Date：2023.04.13 -8- Directionalpattern 5.8G/Efficiencygain SHENZHENSUNSHOWINDUSTRIALCO;LTD Model:C-BOX-M2 Date：2023.04.13 -9- Directionalpattern AntennaNo.1andAntennaNo.2arethesameantenna Theoriginalenvironmentprocessing,nochange 8.WarningSign 1.Thesectiononperformanceandstructurevalidation ★Pleaseconfirmtheappearanceandperformanceoftheproductbeforeyousignthe acknowledgement. ★Pleasebesuretoprovidethefinalmassproductiontrialproductionmachinetoourcompany ortakebackourcompanyverificationbeforemassproduction ★Astheproductofthisacknowledgementisahighlysensitiveobject,pleasebesureto keepthetestingmachineforfollow-up ★Asthisproductisacustom-madeobject,theuseofthetargeted,customersinmaterial replacementorfornon-designateditems,pleasebesuretochangethematerialor non-designateditemsofthemachinesenttoourcompanytoverifytheradio-frequency performance,otherwise,maycausetheusestateandthedesignstateinconsistentserious hiddendanger,toourcompanysealeddebuggingsamplefunctionconfirmation,ensureour companydebuggingsamplefunctioncompletelynormal,preventfunctionabnormaltothe antennaperformanceerrorcausedbytheantennaperformance 2.Aboutproductstorage ★Asthisproducthasprintinginkonthesurface,adhesiveonthebackandelectroplate, pleasemakesurethetemperatureisbetween23°c-27°Candtherelativehumidityisbelow 60%duringstorageortransportation,nostrongacid,nosulfur,nooxygenstorageor transportenvironment SHENZHENSUNSHOWINDUSTRIALCO;LTD Model:C-BOX-M2 Date：2023.04.13 -10- ★Astheproductbackglueontheenvironmentrequirementsaremorestringent,please customersmustbereceivedaftertheproduct,intheproductqualityguaranteeperiodto ensurethereliabilityoftheproduct 3.Tipsforusingtheproduct ★Duetothespecialstructureofthisproduct,pleaseusethisproductmustbeinfullcontact withthepastedobjects,andpastedobjectsmustnotberesidualchemicals(releaseagent, etc.)orasfaraspossibledonotusetherawmaterialswithreleaseagent,toensurethat theproductisingoodworkingcondition,pleasecleanthesurfaceofthepastedarticle beforeusingtheproducttoensurethatthereisnochemicalresidueonthesurfaceofthe pastedarticle 4.StatementofQualityAssuranceforthisproduct ★Thisproductqualityguaranteeperiodis12months,ifyouruseandstorageenvironment tomeettheaboverequirements,inthevalidguaranteeperiodofanyqualityproblems,and determinedthatourproductsareabnormal,ourcompanycanprovidefreereplacementservices, after12months,ourproductsprovidelife-longconsultationandpaidreplacementservices ★Thisproductisaspecialcustomdevice,pleasereceivetheproductmustwithin3working daysoftheproductquantityconf…

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TEST REPORT Applicant: Shenzhen Piesia Electronic Technology Co.,Ltd Address: Area B,2/F,Building N,Xinwei 3rd Industrial Zone,Dalang Community,Longhua Baoan District,Shenzhen City, China FCC ID: 2A8TN-C-BOX-M2 IC: 29430-CBOXM2 HVIN: C-BOX-M2 Product Name: Mini Computer Standard(s): 47 CFR Part 15, Subpart E(15.407) RSS-247 Issue 2, February 2017 RSS-Gen, Issue 5, February 2021 Amendment 2 ANSI C63.10-2013 KDB 789033 D02 General U-NII Test Procedures New Rules v02r01 The above equipment has been tested and found compliant with the requirement of the relative standards by China Certification ICT Co., Ltd (Dongguan) Report Number: CR230418753-00E Date Of Issue: 2023/5/9 Reviewed By: Sun Zhong Title: Manager Test Laboratory: China Certification ICT Co., Ltd (Dongguan) No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China Tel: +86-769-82016888 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230418753-00E Page 2 of 91 Test Facility The Test site used by China Certification ICT Co., Ltd (Dongguan) to collect test data is located on the No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China. The lab has been recognized as the FCC accredited lab under the KDB 974614 D01 and is listed in the FCC Public Access Link (PAL) database, FCC Registration No. : 442868, the FCC Designation No. : CN1314. The lab has been recognized by Innovation, Science and Economic Development Canada to test to Canadian radio equipment requirements, the CAB identifier: CN0123. Declarations China Certification ICT Co., Ltd (Dongguan) is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with a triangle symbol “▲”. Customer model name, addresses, names, trademarks etc. are not considered data. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report cannot be reproduced except in full, without prior written approval of the Company. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report may contain data that are not covered by the accreditation scope and shall be marked with an asterisk “★”. China Certification ICT Co., Ltd (Dongguan) Report No.: CR230418753-00E Page 3 of 91 CONTENTS T EST FACILITY .......................................................................................................................................... 2 DECLARATIONS .......................................................................................................................................... 2 DOCUMENT REVISION HISTORY .......................................................................................... 5 1. GENERAL INFORMATION .................................................................................................... 6 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................... 6 1.2 DESCRIPTION OF TEST CONFIGURATION ........................................................................................... 8 1.2.1 EUT Operation Condition: ............................................................................................................................. 8 1.2.2 Support Equipment List and Details .............................................................................................................. 9 1.2.3 Support Cable List and Details ...................................................................................................................... 9 1.3 MEASUREMENT UNCERTAINTY ........................................................................................................ 11 2. SUMMARY OF TEST RESULTS .......................................................................................... 12 3. REQUIREMENTS AND TEST PROCEDURES .................................................................. 13 3.1 AC LINE CONDUCTED EMISSIONS .................................................................................................... 13 3.1.1 Applicable Standard ..................................................................................................................................... 13 3.1.2 EUT Setup.................................................................................................................................................... 14 3.1.3 EMI Test Receiver Setup ............................................................................................................................. 15 3.1.4 Test Procedure ............................................................................................................................................. 15 3.1.5 Corrected Amplitude & Margin Calculation ................................................................................................ 15 3.2 RADIATION SPURIOUS EMISSIONS .................................................................................................... 16 3.2.1 Applicable Standard ..................................................................................................................................... 16 3.2.2 EUT Setup.................................................................................................................................................... 17 3.2.3 EMI Test Receiver & Spectrum Analyzer Setup ......................................................................................... 18 3.2.4 Test Procedure ............................................................................................................................................. 19 3.2.5 Corrected Amplitude & Margin Calculation ................................................................................................ 19 3.3 26DB ATTENUATED BELOW THE CHANNEL POWER: ..................................................................... 20 3.3.1 Applicable…

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EXHIBIT D - TEST SETUP PHOTOGRAPHS Conducted Emissions Front View Conducted Emissions Side View Radiated Emission Below 1GHz View Radiated Emission Above 1GHz View