2BQIW-D90CThermal Printer

RF Test Setup Report No: EFTA26030143-IE-02 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-107R Page 1 of 3 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Part 15C Test Setup 9kHz-30MHz 30MHz-1GHz RF Test Setup Report No: EFTA26030143-IE-02 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-107R Page 2 of 3 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 1GHz-18GHz Above 18GHz Picture 1 Radiated Emission Test Setup RF Test Setup Report No: EFTA26030143-IE-02 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-107R Page 3 of 3 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Picture 2 Conducted Emission Test Setup

Test Result Report No.: EFTA26030143-IE-02-R1-ANNEX A Eurofins TA Technology (Shanghai) Co., Ltd. Page 1 of 18 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. ANNEX A: Test Result 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 (Z axis) and the loop antenna is coplanar, the others are vertical and horizontal. and the worst case was recorded. Test Result Report No.: EFTA26030143-IE-02-R1-ANNEX A Eurofins TA Technology (Shanghai) Co., Ltd. Page 2 of 18 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 1. Unwanted Emission 1.1. Bluetooth 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 signal beyond the limit is carrier. DH5-Channel 0: Peak + Average 0 10 20 30 40 50 60 70 80 90 100 110 120 23102320 2340 2360 2380 2400 24202430 Level in dB V/  Frequency in MHz FCC RE PK(Class B) FCC RE AV(Class B) 2.371155000 GHz 50.801 dB V/ 2.381220000 GHz 39.155 dB V/ DH5-Channel 78: Peak + Average 0 10 20 30 40 50 60 70 80 90 100 110 120 130 2450 2455 2460 2465 2470 2475 2480 2485 2490 2495 2500 Level in dB V/  Frequency in MHz FCC RE PK(Class B) FCC RE AV(Class B) 2.496075000 GHz 51.570 dB V/ 2.483593750 GHz 39.936 dB V/ The bandage was performed in all EDR mode (2DH5 and 3DH5), 3DH5 was selected as the worse condition. The test data of the worst-case condition was recorded in this report. 3DH5-Channel 0: Peak + Average 0 10 20 30 40 50 60 70 80 90 100 110 120 23102320 2340 2360 2380 2400 24202430 Level in dB V/  Frequency in MHz FCC RE PK(Class B) FCC RE AV(Class B) 2.386935000 GHz 50.606 dB V/ 2.383275000 GHz 39.251 dB V/ 3DH5-Channel 78: Peak + Average 0 10 20 30 40 50 60 70 80 90 100 110 120 130 2450 2455 2460 2465 2470 2475 2480 2485 2490 2495 2500 Level in dB V/  Frequency in MHz FCC RE PK(Class B) FCC RE AV(Class B) 2.495437500 GHz 50.974 dB V/ 2.483818750 GHz 39.787 dB V/ Test Result Report No.: EFTA26030143-IE-02-R1-ANNEX A Eurofins TA Technology (Shanghai) Co., Ltd. Page 3 of 18 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Result of RE Sweep the whole frequency band through the range from 9kHz to the 10th harmonic of the carrier. The Radiates Emission from 9kHz to 30MHz and 18GHz to 26.5GHz are more than 20dB below the limit are not reported. Remark: 1. Correction Factor = Antenna factor + Insertion loss (cable loss + amplifier gain) 2. Margin = Limit – Quasi-Peak/ MAX Peak/ Average 3. A symbol ( ) in the test plot below means (dBμV/m) 4. The following graphs display the maximum values of coaxial and coplanar for 9k-30MHz; horizontal and vertical for above 30MHz by software. 5. For below 1GHz QP Level @Spectrum Overview H QP Level @Spectrum Overview V QP Level @Final Results QP Limit For above 1GHz PK Level @Spectrum Overview H PK Level @Spectrum Overview V PK Level @Final Results PK Limit AVG Level @Spectrum Overview H AVG Level @Spectrum Overview V AVG Level @Final Results AVG Limit Test Result Report No.: EFTA26030143-IE-02-R1-ANNEX A Eurofins TA Technology (Shanghai) Co., Ltd. Page 4 of 18 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Continuous TX mode: During the test, the Radiates Emission from 30MHz to 1GHz was performed in all modes with all channels. The test data of the worst-case condition (3DH5-Channel 39) was recorded in this report. 0 20 40 60 80 100 110 30M 50 60 80 100M200300 400 500 800 1G Level in dB V/  Frequency in Hz FCC RE QP Radiates Emission from 30MHz to 1GHz Frequency (MHz) Quasi-Peak (dBμV/m) Limit (dBμV/m) Margin (dB) Meas. Time (ms) Height (cm) Polarization Azimuth (deg) Correct Factor (dB) 45.156250 25.58 40.00 14.42 1000.0 102.0 V 31.0 21.0 56.917500 25.39 40.00 14.61 1000.0 112.0 V 62.0 20.4 119.967500 29.14 43.50 14.36 1000.0 105.0 V 72.0 17.2 173.681250 20.93 43.50 22.57 1000.0 188.0 H 288.0 19.9 288.020000 26.93 46.00 19.07 1000.0 106.0 H 97.0 20.9 530.762500 21.80 46.00 24.20 1000.0 121.0 H 348.0 26.1 Test Result Report No.: EFTA26030143-IE-02-R1-ANNEX A Eurofins TA Technology (Shanghai) Co., Ltd. Page 5 of 18 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. DH5-Channel 0 0 20 40 60 80 100 120 1G2G3G Level in dB V/  Frequency in Hz FCC RE PK(Class B) FCC RE AV(Class B) Note: The signal beyond the limit is carrier. Radiates Emission from 1GHz to 3GHz Frequency (MHz) MaxPeak (dBμV/m) Average (dBμV/m) Limit (dBμV/m) Margin (dB) Meas. Time (ms) Height (cm) Pol Azimuth (deg) Corr. (dB/m) 1164.750000 43.86 --- 74.00 30.14 500.0 100.0 V 2.0 -4.6 1176.250000 --- 31.98 54.00 22.02 500.0 200.0 V 358.0 -4.2 1435.000000 45.19 --- 74.00 28.81 500.0 200.0 V 218.0 -1.8 1439.750000 --- 33.85 54.00 20.15 500.0 100.0 H 241.0 -1.7 1680.000000 --- 35.76 54.00 18.24 500.0 200.0 H 57.0 0.4 1680.500000 47.52 --- 74.00 26.48 500.0 200.0 V 337.0 0.4 1979.500000 49.22 --- 74.00 24.78 500.0 200.0 V 132.0 1.8 2052.000000 --- 37.20 54.00 16.80 500.0 100.0 H 266.0 2.5 2274.000000 48.53 --- 74.00 25.47 500.0 100.0 V 2.0 3.0 2310.500000 --- 38.43 54.00 15.57 500.0 200.0 V 324.0 3.4 2900.250000 --- 42.40 54.00 11.60 500.0 100.0 H 290.0 8.6 2923.250000 53.18 --- 74.00 20.82 500.0 100.0 V 192.0 8.2 Test Result Report No.: EFTA26030143-IE-02-R1-ANNEX A Eurofins TA Technology (Shanghai) Co., Ltd. Page 6 of 18 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 0 20 40 60 80 100 120 3G 5G6789 10G18G Level in dB V/  Fre…

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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 Zhongshan Polono Electronic Technology Co., Ltd. FCC ID 2BQIW-D90C Product Thermal Printer Model D90C; D90E Report No. EFTA26030143-IE-02-R1 Issue Date April 22, 2026 Eurofins TA Technology (Shanghai) Co., Ltd. tested the above equipment in accordance with the requirements in FCC CFR47 Part 15C. 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.: EFTA26030143-IE-02-R1 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-04-004R Page 2 of 72 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 Information about the FHSS characteristics ................................................................................ 8 4.1 Frequency Hopping System Requirement ................................................................................ 8 4.2 Pseudorandom Frequency Hopping Sequence ........................................................................ 9 4.3 Equal Hopping Frequency Use ................................................................................................ 10 4.4 System Receiver Input Bandwidth........................................................................................... 10 4.5 Test Configuration .................................................................................................................... 11 5 Test Case ........................................................................................................................................ 12 5.1 Peak Power Output .................................................................................................................. 12 5.2 99% Bandwidth and 20dB Bandwidth ..................................................................................... 13 5.3 Frequency Separation ............................................................................................................. 14 5.4 Time of Occupancy (Dwell Time) ............................................................................................. 15 5.5 Band Edge Compliance ........................................................................................................... 16 5.6 Number of hopping Frequency ................................................................................................ 17 5.7 Spurious RF Conducted Emissions ......................................................................................... 18 5.8 Unwanted Emission ................................................................................................................. 20 5.9 Conducted Emission ................................................................................................................ 26 6 Test Results ................................................................................................................................... 27 6.1 Peak Power Output .................................................................................................................. 27 6.2 99% Bandwidth and 20dB Bandwidth ..................................................................................... 33 6.3 Frequency Separation ............................................................................................................. 39 6.4 Time of Occupancy (Dwell Time) ............................................................................................. 41 6.5 Band Edge Compliance ........................................................................................................... 45 6.6 Number of hopping Frequency ................................................................................................ 57 6.7 Spurious RF Conducted Emissions ......................................................................................... 59 6.8 Unwanted Emission ................................................................................................................. 68 6.9 Conducted Emission ................................................................................................................ 69 7 Main Test Instruments .................................................................................................................. 70 8 The EUT Appearance .................................................................................................................... 71 9 Test Setup Photos ......................................................................................................................... 72 RF Test Report Report N…

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2.4G-2.48G Frequency Band Board- mounted PIFA Antenna Test Report SPECIFICATIONS Frequency（MHz）2400-2480 PeakGain（dBi）2.499 AverageGain（dBi）＞-4 VSWR＜3.2 Impedance（Ω）50Ω AntennaTypePlannarInvertedFAntennaonboard PolarizationLinear Testenvironment: HWA-TECH darkroomtesting system Z X Y Antennaphysicalobjectandphysicaldimensions AntennapassiveS-parameters: VSWR ReturnLoss and Smith chart Frequency（MHz Antenna efficiency and gain ）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-Theta Pattern Antenna 2440MHz 2D-Phi Pattern Antenna 2440MHz 3D-Horizontal Pattern Antenna 2440MHz 3D-Vertical Pattern 2440MHz3D-TotalPattern

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 SAR Exemption Evaluation Report Applicant Zhongshan Polono Electronic Technology Co., Ltd. FCC ID 2BQIW-D90C Product Thermal Printer Model D90C; D90E Report No. EFTA26030143-IE-03-S1 Issue Date May 14, 2026 Eurofins TA Technology (Shanghai) Co., Ltd. tested the above equipment in accordance with the requirements in KDB 447498 D01 General RF Exposure Guidance v06. The test results show that the equipment tested can demonstrate compliance with the requirements as documented in this report. SAR Exemption Evaluation Report Report No.: EFTA26030143-IE-03-S1 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-008S 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 Evaluation Standard .......................................................................................................................... 6 4 Maximum Tune up Tolerance ............................................................................................................ 7 5 Standalone SAR Test Exclusion Considerations .............................................................................. 8 ANNEX A: The EUT Appearance ............................................................................................................. 9 SAR Exemption Evaluation Report Report No.: EFTA26030143-IE-03-S1 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-008S 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. SAR Exemption Evaluation Report Report No.: EFTA26030143-IE-03-S1 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-008S 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 Zhongshan Polono Electronic Technology Co., Ltd. Applicant address 4th and 5th floors, Building 2,4th and 5th floors, Building 3, No.132, Tanlong North Road, Tanzhou Town, Zhongshan city, China Manufacturer Zhongshan Polono Electronic Technology Co., Ltd. Manufacturer address 4th and 5th floors, Building 2,4th and 5th floors, Building 3, No.132, Tanlong North Road, Tanzhou Town, Zhongshan city, China General Technologies EUT Description Model D90C; D90E Lab Internal SN Conducted 260313-03-026 Radiated 260313-03-001 Hardware Version 0.0.1 Software Version 0.0.20 Date of Testing March 12, 2026 ~ March 26, 2026 Date of Sample Received March 12, 2026 EUT Accessory Type C cord Manufacturer: Zhuhai Huashitong Electronics Co., Ltd. Model: / U Disk Manufacturer: Shenzhen Youxinyu Technology Co., Ltd Model: / USB-C to USB-A adapter Manufacturer: Shenzhen Jieshibang Technology Co., Ltd. Model: / 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 published for informational purposes only. SAR Exemption Evaluation Report Report No.: EFTA26030143-IE-03-S1 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-008S Page 5 of 9 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technolo…

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D90 Operational Description 1. BASIC SPECIFICATIONS Model D90C Printing method Direct Thermal Resolution 203dpi Supported printwidths -216mm(US LETTER) Connection USB, Bluetooth USB connectionsupport system Windows, Mac Bluetoothconnectionsupport system Android, iOS, iPad,Windows Operatingenvironment 0°C~40°C(32°F-104°F)，30%~85%RH(No condensation) Storageenvironment -20°C~60°C(-4°F-140°F)，0%~90%RH(No condensation) Paper cutting Tear paper Input DC 5V = 2.0A Product size 265x59x33mm Packing list Printer, User manualTest paper, USB cable,U-disk 2. APPEARANCE ANDCOMPONENT Function Operation Power on Press and hold the"Power button" forthree seconds Power off Print Self-Test Page Quickly double-clickthe "Power button”when thedevice ispowered on. Retract paper Click the "Powerbutton" when thedevice is power on. 3. General information EUT Description Model D90C; D90E Lab internal SN Conducted 260313-03-026 Radiated 260313-03-001 Hardware Version 0.0.1 Software Version 0.0.20 Power Supply External power supply Antenna Type Internal Antenna Antenna Connector A permanently attached antenna (meet with the standard FCC Part 15.203 requirement) Antenna Gain 2.499 dBi Test Mode(s) Basic Rate Enhanced Data Rate (EDR) Modulation Type Frequency Hopping Spread Spectrum (FHSS) GFSK π/4 DQPSK 8DPSK Packet Type (Maximum Payload) DH5 2DH5 3DH5 Max. Output Power -2.11 dBm (0.0006 W) Operating Frequency Range(s) 2402-2480 MHz Operating voltage range 4.5 Vdc to 9.5 Vdc State voltage 5 Vdc 4. Interface and function display

Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 1 of 8 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 2 of 8 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 3 of 8 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 4 of 8 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 5 of 8 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 6 of 8 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 7 of 8 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 8 of 8 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd.

Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 1 of 12 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 2 of 12 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 3 of 12 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 4 of 12 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 5 of 12 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 6 of 12 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 7 of 12 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 8 of 12 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 9 of 12 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 10 of 12 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 11 of 12 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-024A Page 12 of 12 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd.

Rev 1/26/2023 Zhongshan Polono Electronic Technology Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2026/4/17 FCC ID:2BQIW-D90C Ref: Attestation Statements Part 2.911(d)(5)(i) Filing Zhongshan Polono 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. Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing Zhongshan Polono 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. Ref: Per KDB 986446 D01 v03 section B, 2a, Zhongshan Polono Electronic Technology Co., Ltd. certifies that the equipment for this application does not contain Kaspersky cybersecurity or anti-virus software. Sincerely, ________________ Printed Name of Signee:Xu Jiarong Company: Zhongshan Polono Electronic Technology Co., Ltd. Phone: 15812615342 Email:[email protected] Job title: Manager

EUT Appearance Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-032E Page 1 of 10 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. EUT Appearance EUT Appearance Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-032E Page 2 of 10 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. EUT Appearance Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-032E Page 3 of 10 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. EUT Appearance Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-032E Page 4 of 10 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. EUT Appearance Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-032E Page 5 of 10 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. EUT Appearance Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-032E Page 6 of 10 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. EUT Appearance Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-032E Page 7 of 10 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. a: EUT EUT Appearance Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-032E Page 8 of 10 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. b: Type C cord EUT Appearance Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-032E Page 9 of 10 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. c: U Disk EUT Appearance Report No.: EFTA26030143-IE-01 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-032E Page 10 of 10 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. d: USB-C to USB-A adapter Picture 1: Constituents of EUT

EU…

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