2BQIW-PM270Mini Thermal Printer

ZhongshanPolonoElectronicTechnologyCo.,Ltd. Date:3September2026 To:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Attestation Section2.911(d)(5)(i)andSection2.911(d)(5)(ii) (KDB986446D01CoveredEquipment) Section2.911(d)(5)(i) ZhongshanPolonoElectronicTechnologyCo.,Ltd.(“theapplicant”)certifiesthat theequipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibited fromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules. Thesoftwaretobeloadedpriortomarketingoftheequipmentidentifiedbelowisnot "covered"softwaremanufacturedbyanyentityincludingpredecessors,successors, parents,subsidiaries,oraffiliatesoranyentitywhichhasrebrandedorrelabeledthe softwareproducedbytheentity(ies)identifiedonthe"CoveredList"DA24-886and KDB986446D01CoveredEquipmentGuidancesectionB(2a). ZhongshanPolonoElectronicTechnologyCo.,Ltd.(“theapplicant”)further certifiesthatnoCybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwith integratedKasperskyLab,Inc.(oranyofitssuccessorsandassignees)cybersecurity oranti-virussoftwareisinstalledintheequipmentbeingcertified. Section2.911(d)(5)(ii) ZhongshanPolonoElectronicTechnologyCo.,Ltd.(“theapplicant”)certifiesthat, asofthedateofthefilingoftheapplication,theapplicant[isnot]identifiedonthe CoveredList(asaspecificallynamedentityoranyofitssubsidiariesoraffiliates)as anentityproducing“covered”equipment. TypeofEquipmentsubjecttoFCCCertification:FCCID:2BQIW-PM270 Ifyouhaveanyquestions,pleasefeelfreetocontactme ContactPerson:XuJiarong PositionintheCompany:Manager DateofSignature:3September2026 ___________________________ Signatory (signatureoftheapplicant)

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xujLDroQg#\L]KL\LQFQ   $SSOLFDEOH(TXLSPHQW)&&,'%4,:30 $771'LUHFWRURI&HUWLILFDWLRQ :H=KRQJVKDQ3RORQR(OHFWURQLF7HFKQRORJ\&R/WG!DQG3LFXV$GYLVRUV86//&!XQGHUVWDQG DQGDFNQRZOHGJHWKHDSSOLFDQWVFRQVHQWDQGWKHGHVLJQDWHGDJHQW¶VREOLJDWLRQWRDFFHSWVHUYLFHRI SURFHVVLQWKH8QLWHG6WDWHVIRUPDWWHUVUHODWHGWRWKHDSSOLFDEOHHTXLSPHQWDQGDWWKHSK\VLFDO86 DGGUHVVDQGHPDLORIWKHGHVLJQDWHGDJHQWOLVWHGDERYH :H=KRQJVKDQ3RORQR(OHFWURQLF7HFKQRORJ\&R/WG!DQG3LFXV$GYLVRUV86//&!DFNQRZOHGJH WKHDSSOLFDQW¶VDFFHSWDQFHRILWVREOLJDWLRQWRPDLQWDLQDQDJHQWIRUVHUYLFHRISURFHVVLQWKH8QLWHG 6WDWHVIRUQROHVVWKDQRQH\HDUDIWHUHLWKHUWKHJUDQWHHKDVSHUPDQHQWO\WHUPLQDWHGDOOPDUNHWLQJDQG LPSRUWDWLRQRIWKHDSSOLFDEOHHTXLSPHQWZLWKLQWKH86RUWKHFRQFOXVLRQRIDQ\&RPPLVVLRQUHODWHG DGPLQLVWUDWLYHRUMXGLFLDOSURFHHGLQJLQYROYLQJWKHHTXLSPHQWZKLFKHYHULVODWHU $SSOLFDQW =KRQJVKDQ3RORQR(OHFWURQLF7HFKQRORJ\&R/WG 1DPH 3ULQWHG [XMLDURQJ 7LWOH0DQDJHU 6LJQDWXUH 86GHVLJQDWHGDJHQW 3LFXV$GYLVRUV86//& 1DPH 3ULQWHG ,YDQ:DQJ 7LWOH&(2 6LJQDWXUH

Date:2September2026 ZhongshanPolonoElectronicTechnologyCo.,Ltd. To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 ToWhomItMayConcern: TheZhongshanPolonoElectronicTechnologyCo.,Ltd.,theundersigned,herebyauthorizesMr. WuXuewenfromShenzhenBALUNTechnologyCo.,Ltd.,toactonthebehalfoftheZhongshan PolonoElectronicTechnologyCo.,Ltd..solelyinmattersrelatingtotheapplicationforanFCC equipmentauthorizationforFCCID:2BQIW-PM270includingthesigningofdocumentsin connectionwiththisApplication.NecessaryactscarriedoutbyShenzhenBALUNTechnology Co.,Ltd.inconnectionwiththeApplicationshallhavethesameeffectasactsoftheZhongshan PolonoElectronicTechnologyCo.,Ltd.. TheZhongshanPolonoElectronicTechnologyCo.,Ltd.alsoherebycertifythatnopartytothis applicationissubjecttoadenialofbenefits,includingFCCbenefits,pursuanttoSection5301of theAnti-DrugAbuseActof1988,21U.S.C.Section862. YoursSincerely, _______ XuJiarong

Date:2September2026 ZhongshanPolonoElectronicTechnologyCo.,Ltd. To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 Re:ZhongshanPolonoElectronicTechnologyCo.,Ltd. FCCID:2BQIW-PM270 FCCCertificationConfidentialityRequest Gentlemen: Thisletteristocomplywith47CFR0.457and0.459pertainingtoconfidentiality material.ZhongshanPolonoElectronicTechnologyCo.,Ltd.requeststhatthe followingdocumentsregardingthissubmissionforFCCID:2BQIW-PM270be keptconfidential: ExhibitTypeFileName BlockDiagramBlockDiagram.pdf SchematicsSchematics.pdf OperationalDescriptionOperationalDescription.pdf BOMBOM.pdf Andbelowexhibitkeptshort-termconfidential(180days): ExternalphotosExternalphotos.pdf Testsetupphotostestphoto.pdf InternalphotosInternalphotos.pdf UsermanualUsermanual.pdf Thosedocumentscontaindetailedsystemandequipmentdescriptionandrelated informationabouttheproductwhichZhongshanPolonoElectronicTechnology Co.,Ltd.considerstobeconfidentialproprietary,acustomdesignand,otherwise, notreleasabletothegeneralpublic.Sincethisdesignisabasisformwhichfuture technologicalproductswillevolve,ZhongshanPolonoElectronicTechnologyCo., Ltd.considersthisinformationwouldbeofbenefittoitscompetitors,andthatthe disclosureoftheinformationinthesedocumentswouldgivecompetitorsanunfair advantageinthemarket. YoursSincerely, XuJiarong

Label: Location： BackofPM270

Report No.: Ti-EE26070802-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 10 Web: www.titcgroup.com Template No.: TRP-FCC-Portable-2 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen TEST REPORT Applicant: Zhongshan Polono Electronic Technology Co., Ltd. Address: No. 132, Tanlong North Road, Tanzhou Town, Zhongshan City, 4th and 5th floors, Building 2, 4th and 5th floors, Building 3, Zhongshan, China Equipment Type: Mini Thermal Printer Model Name: PM270 Brand Name: N/A FCC ID: 2BQIW-PM270 Test Standard: 47 CFR Part 2.1093 KDB 447498 D04 v01 Sample Arrival Date: Jul. 30, 2026 Test Date: Sep. 07, 2026 Date of Issue: Sep. 07, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Xiong Lining Checked by: Xu Rui Approved by: Liao Jianming (Technical Director) _______________ _______________ _______________ Report No.: Ti-EE26070802-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 10 Web: www.titcgroup.com Template No.: TRP-FCC-Portable-2 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen Revision History Version Issue Date Revisions Content Rev. 01 Sep. 07, 2026 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 3 1.1 Test Laboratory ............................................................................................................ 3 1.2 Test Location ................................................................................................................ 3 2 PRODUCT INFORMATION ....................................................................................................... 4 2.1 Applicant Information .................................................................................................... 4 2.2 Manufacturer Information .............................................................................................. 4 2.3 General Description for Equipment under Test (EUT) ................................................... 4 2.4 Technical Information ................................................................................................... 4 3 SUMMARY OF TEST RESULT ................................................................................................. 5 3.1 Test Standards ............................................................................................................. 5 4 DEVICE CATEGORY AND LEVELS LIMITS ............................................................................. 6 5 ASSESSMENT RESULT ........................................................................................................... 8 5.1 Output Power ............................................................................................................... 8 5.2 Tune-up power ............................................................................................................. 8 5.3 RF Exposure Evaluation Result .................................................................................... 9 5.4 Collocated Power Calculation ....................................................................................... 9 5.5 Conclusion .................................................................................................................... 9 Report No.: Ti-EE26070802-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 10 Web: www.titcgroup.com Template No.: TRP-FCC-Portable-2 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen 1 GENERAL INFORMATION 1.1 Test Laboratory Name Shenzhen BALUN Technology Co., Ltd. Address 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen Phone Number +86 755 6685 0100 1.2 Test Location Name Shenzhen BALUN Technology Co., Ltd. Location Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen, Guangdong 1/F., Building B, Ganghongji High-Tech Intelligent Industrial Park, No.1008, Songbai Road, Yangguang Community, Xili Subdistrict, Nanshan District, Shenzhen, Guangdong Accreditation Certificate The laboratory is a testing organization accredited by FCC as a accredited testing laboratory. The designation number is CN1196. Report No.: Ti-EE26070802-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 4 / 10 Web: www.titcgroup.com Template No.: TRP-FCC-Portable-2 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen 2 PRODUCT INFORMATION 2.1 Applicant Information Applicant Zhongshan Polono Electronic Technology Co., Ltd. Address No. 132, Tanlong North Road, Tanzhou Town, Zhongshan City, 4th and 5th floors, Building 2, 4th and 5th floors, Building 3, Zhongshan, China 2.2 Manufacturer Information Manufacturer Zhongshan Polono Electronic Technology Co., Ltd. Address No. 132, Tanlong North Road, Tanzhou Town, Zhongshan City, 4th and 5th floors, Building 2, 4th and 5th floors, Building 3, Zhongshan, China 2.3 General Description for Equipment under Test (EUT) EUT Name Mini Thermal Printer Model Name Under Test PM270 Series Model Name N/A Description of Model name differentiation N/A Hardware Version PM270_V3.0 Software Version 0.0.2 2026-07-10 Dimensions (Approx.) N/A Weight (Approx.) N/A 2.4 Technical Information Network and Wireless connectivity Bluetooth (BR+EDR+BLE), NFC The requirement for the following technical information of the EUT was tested in this report: Operating Mode Bluetooth, NFC Fr…

Text truncated - open the document above for the full version.

SPECIFICATIONS Frequency（MHz）2400-2480 PeakGain（dBi）2.499 AverageGain（dBi）＞-4 VSWR＜3.2 Impedance（Ω）50Ω AntennaType Polarizatio Antenna on board nLinear TestEnvironment:ZhongkeGuojiDarkroomTestingSystem Z X Y Manufacturer Zhuhai Jieli Technology Co.,Ltd No. 333, Kexing Road, Xiangzhou District, Zhuhai 2.4G–2.48G frequency band–Built-in antenna test report MODEL:Inverted F Antennaphysicalunitanddimensions(Unit:mm) AntennapassiveS-parameters: VoltageStandingWaveRatio(VSWR),ReturnLoss,andSmithChart Antennaefficiencyandgain Frequency（MHz）Gain（dBi）Effciency（%）AverageGain（dBi）Efficiency（dB） 24001.43359.329%-2.717-2.267 24100.92751.861%-3.416-2.852 24200.82952.112%-3.166-2.831 24300.88149.299%-3.258-3.072 24401.19250.672%-3.144-2.952 24501.68853.067%-2.735-2.752 24602.19459.423%-2.276-2.260 24702.11856.680%-2.438-2.466 24802.49961.727%-2.112-2.095 Average1.52954.908%-2.806-2.616 Peak2.49961.727%-2.112-2.095 Antenna–2440MHz–2D-ThetaPattern Antenna–2440MHz–2D-PhiPattern Antenna–2440MHz–3DHorizontalPattern Antenna–2440MHz–3DVerticalPattern 2440MHz3D-TotalPattern

Report No.: Ti-EE26070802-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 70 Web: www.titcgroup.com Template No.: TRP-FCC&ISED 247 (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen TEST REPORT Applicant: Zhongshan Polono Electronic Technology Co., Ltd. Address: No. 132, Tanlong North Road, Tanzhou Town, Zhongshan City, 4th and 5th floors, Building 2, 4th and 5th floors, Building 3, Zhongshan, China Equipment Type: Mini Thermal Printer Model Name: PM270 Brand Name: N/A FCC ID: 2BQIW-PM270 ISED Number: 30531-PM270 Test Standard: 47 CFR Part 15 Subpart C RSS-Gen Issue 5 RSS-247 Issue 4 (refer to section 3.1) Sample Arrival Date: Aug. 05, 2026 Test Date: Aug. 06, 2026 - Aug. 20, 2026 Date of Issue: Sep. 11, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Wang Yinglong Checked by: Li Ganming Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: Ti-EE26070802-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 70 Web: www.titcgroup.com Template No.: TRP-FCC&ISED 247 (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen Revision History Version Issue Date Revisions Rev. 01 Sep. 03, 2026 Initial Issue Rev. 02 Sep. 11, 2026 Added the test photo of conducted close-up in Ti-EE26070802-AR.PDF. TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ............................................................................................................ 4 1.2 Test Location ................................................................................................................ 4 2 PRODUCT INFORMATION ....................................................................................................... 5 2.1 Applicant Information .................................................................................................... 5 2.2 Manufacturer Information .............................................................................................. 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Technical Information ................................................................................................... 6 2.5 Additional Instructions ................................................................................................... 8 3 SUMMARY OF TEST RESULTS ............................................................................................... 9 3.1 Test Standards ............................................................................................................. 9 3.2 Test Verdict ................................................................................................................ 10 4 GENERAL TEST CONFIGURATIONS .................................................................................... 11 4.1 Test Environments ...................................................................................................... 11 4.2 Test Equipment List .................................................................................................... 11 4.3 Test Software List ....................................................................................................... 12 4.4 Measurement Uncertainty ........................................................................................... 12 4.5 Description of Test Setup ........................................................................................... 13 4.6 Measurement Results Explanation Example ............................................................... 16 5 TEST ITEMS ........................................................................................................................... 17 5.1 Antenna Requirements ............................................................................................... 17 5.2 Frequency Hopping Systems ...................................................................................... 18 5.3 Number of Hopping Frequencies ................................................................................ 20 Report No.: Ti-EE26070802-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 70 Web: www.titcgroup.com Template No.: TRP-FCC&ISED 247 (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen 5.4 Peak Output Power and E.I.R.P ................................................................................. 21 5.5 Occupied Bandwidth ................................................................................................... 22 5.6 Carrier Frequency Separation ..................................................................................... 23 5.7 Time of Occupancy (Dwell time) ................................................................................. 24 5.8 Conducted Spurious Emission & Authorized-band band-edge .................................... 26 5.9 Conducted Emission ................................................................................................... 27 5.10 Radiated Spurious Emission ....................................................................................... 28 5.11 Band Edge (Restricted-band band-edge) .................................................................... 33 ANNEX A TEST RESULT ........................................................................................................... 36 A.1 Number of Hopping Frequency ................................................................................... 36 A.2 Peak Output Power and E.I.R.P .......…

Text truncated - open the document above for the full version.