2A9TK-T4201Label Printer

Attestation Statements (June 12, 2024) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (FCC ID: 2A9TK-T4201 ) (Guangdong Miro Technology Co., Ltd), the undersigned, hereby authorize (NEWENERGYER LIMITED) to act as our designated U.S. agent for service of process, (Guangdong Miro Technology Co., Ltd) accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. (NEWENERGYER LIMITED) accepts the responsibility to act as designated U.S. agent for service of process, provides an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Applicant Information： Company name: Guangdong Miro Technology Co., Ltd Contact Name: Duo Wu Address: Room 903, Building 6, No. 25, Sanle East Road, Shunjiang Community, Bejiao Town, Shunde District, Foshan City Telephone No: 13538214502 Email: [email protected] FRN: 0033204736 Signature [Duo Wu] U.S. Agent Information: Company Name: NEWENERGYER LIMITED Address: 1818 S Patton Ct, Denver, CO, 80219 Contact Name: CHUN LIU Telephone No: 213 289 5042 Email: [email protected] FRN: 0034665885 Signature [CHUN LIU]

(Guangdong Miro Technology Co., Ltd) (June 12, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2A9TK-T4201) [Guangdong Miro Technology Co., Ltd] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, (Applicant signature) (Applicant printed name) Duo Wu (Guangdong Miro Technology Co., Ltd) (June 12, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2A9TK-T4201) [Guangdong Miro Technology Co., Ltd] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) Duo Wu

Guangdong Miro Technology Co., Ltd Model Difference Data：June 17, 2024 Product description: Label Printer Model name: T4201, T4202, T4203, T4301, T4302, T4303, T4601, Z4201, Z4301, Z4601, M4201, M4202, Mi201, M1201, M2201, M3201, T2201, T2301, T3201, T3301 Trade Name: N/A FCC ID: 2A9TK-T4201 All the model are the same circuit and RF module, except model names . Regards Sincerely Client’s signature : Client’s name / title : Duo Wu（Manager） Contact information / address：Room 903, Building 6, No. 25, Sanle East Road, Shunjiang Community, Bejiao Town, Shunde District, Foshan City

Guangdong Miro Technology Co., Ltd (June 12, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Label Printer / T4201, T4202, T4203, T4301, T4302, T4303, T4601, Z4201, Z4301, Z4601, M4201, M4202, Mi201, M1201, M2201, M3201, T2201, T2301, T3201, T3301 / FCC ID: 2A9TK-T4201) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name: Duo Wu Title: Manager

Guangdong Miro Technology Co., Ltd (June 12, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: Duo Wu Title: Manager

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 4 Model: T4201 External Photos Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 4 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 4 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 4 of 4

FCC ID LABEL: Label Location: FCC ID: 2A9TK-T4201 Model No.: T4201

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2A9TK-T4201 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna,R=20cm Test Result of RF Exposure Evaluation Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result 2.4G WIFI 802.11b&2 412 14±1 15 31.6228 0.6982 (-1.56dBi) 0.0044 1 Pass EDR GFSK&LC H 4±1 5 3.1623 0.6982 (-1.56dBi) 0.00044 1 Pass BLE GFSK&HC H 4±1 5 3.1623 0.6982 (-1.56dBi) 0.00044 1 Pass

ShenZhen Feasycom Technology Co.,Ltd www.feasycom.com -1- Bluetooth and WIFI antenna specification 1，Index Item Content Page Remark 1 Index 1 2 Spec Drawing 2‐3 3 Specification 4 4 Antenna On Test Board 5 5 Return Loss 5 6 Radiation Pattern 6 7 Gain and Efficiency 6 8 Bluetooth 2D Radiation Pattern 7 9 WIFI 2D Radiation Pattern 8 Document Type: 2.4GHZ & 5.8GHZ PCB antenna Document Version: V1.0 Release Date: 2019-12-11 ShenZhen Feasycom Technology Co.,Ltd Telephone: 86-755-27924639 www.feasycom.com ShenZhen Feasycom Technology Co.,Ltd www.feasycom.com -2- 2，Spec Drawing Unit：mm RF4 sheet thickness：0.8mm Top view ShenZhen Feasycom Technology Co.,Ltd www.feasycom.com -3- Bottom view ShenZhen Feasycom Technology Co.,Ltd www.feasycom.com -4- 3，Specification Product Number: 2.4GHZ FPC antenna Sample Photo: A. Electrical Characteristics Bluetooth Frequency 2400 ~ 2500 MHz WIFI Frequency（2.4GHZ） 2400 ~ 2500 MHz WIFI Frequency（5GHZ） 5180 ~ 5850 MHz S.W.R. <=3.0 Gain 0 dBi Efficiency ~ 30% Polarization Linear Impedance 50 Ohm B. Material & Mechanical Characteristics Material of Radiator copper C. Environmental Operation Temperature - 40°C ~ + 85°C Storage Temperature - 40°C ~ + 105°C ShenZhen Feasycom Technology Co.,Ltd www.feasycom.com -5- 4，Antenna On Test Board 5, Return Loss ShenZhen Feasycom Technology Co.,Ltd www.feasycom.com -6- 6，Radiation Pattern Radiation Pattern and Gain were dependent on measurement board design. The specification of coil antenna was measur ed based on the PCB size and installation position as shown in the below figure Test Board. 6.1，Gain and Efficiency Frequency Gain(dBi) Efficiency Frequency Gain(dBi) Efficiency 2400 -2.49 26.54 5100 -2.68 17.21 2410 -1.9 29.34 5200 -2.01 20.24 2420 -1.83 29.58 5300 -2.42 20.42 2430 -1.73 30.29 5400 -1.81 22.4 2440 -1.56 30.65 5500 -2.83 17.93 2450 -1.59 30.32 5600 -5.65 12.01 2460 -1.67 30.05 5700 -2.23 19.69 2470 -1.79 29.19 5800 -2.35 22.95 2480 -1.93 26.84 5900 -2.78 22.07 ShenZhen Feasycom Technology Co.,Ltd www.feasycom.com -7- 6.2，Bluetooth 2D Radiation Pattern Theta=90° Phi=0° ShenZhen Feasycom Technology Co.,Ltd www.feasycom.com -8- Phi=90° 6.3，WIFI 2D Radiation Pattern Theta=90° ShenZhen Feasycom Technology Co.,Ltd www.feasycom.com -9- Phi=0° Phi=90°

TEST REPORT Compiled by: Reviewed by: Approved by: Zhou Kui Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Label Printer FCC ID: 2A9TK-T4201 Trademark: N/A Model Number: T4201, T4202, T4203, T4301, T4302, T4303, T4601, Z4201, Z4301, Z4601, M4201, M4202, Mi201, M1201, M2201, M3201, T2201, T2301, T3201, T3301 Prepared For: Guangdong Miro Technology Co., Ltd Address: Room 903, Building 6, No. 25, Sanle East Road, Shunjiang Community, Bejiao Town, Shunde District, Foshan City Manufacturer: Guangdong Miro Technology Co., Ltd Address: Room 903, Building 6, No. 25, Sanle East Road, Shunjiang Community, Bejiao Town, Shunde District, Foshan City Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: May. 23, 2024 Sample tested Date: May. 23, 2024 to Jun. 04, 2024 Issue Date: Jun. 04, 2024 Report No.: CTB240604040RFX Test Standards FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2013 Test Results PASS Remark: This is Bluetooth radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240604040RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 58 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ............................................................ 4 2. TEST SUMMARY ..................................................... 5 3. MEASUREMENT UNCERTAINTY ....................................... 6 4. PRODU CT INFORMATION AND TEST SETUP ........................... 7 4.1 Product Information ..................................................... 7 4.2 Test Setup Configuration ................................................ 7 4.3 Support Equipment ..................................................... 7 4.4 Channel List ........................................................... 8 4.5 Test Mode ............................................................. 8 4.6 Test Environment ....................................................... 8 5. TEST FACILITY AND TEST INSTRUMENT USED ......................... 9 5.1 Test Facility ............................................................ 9 5.2 Test Instrument Used ................................................... 9 6. AC POWER LINE CONDUCTED EMISSION ............................. 11 6.1 Block Diagram Of Test Setup ........................................... 11 6.2 Limit ................................................................. 11 6.3 Test procedure ........................................................ 11 6.4 Test Result ........................................................... 13 7. RADIATED SPURIOUS EMISSION ..................................... 15 7.1 Block Diagram Of Test Setup ........................................... 15 7.2 Limit ................................................................. 15 7.3 Test procedure ........................................................ 16 7.4 Test Result ........................................................... 17 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ............ 26 8.1 Block Diagram Of Test Setup ........................................... 26 8.2 Limit ................................................................. 26 8.3 Test procedure ........................................................ 26 8.4 Test Result ........................................................... 27 9. COUDUCTED PEAK OUTPUT POWER ................................. 34 9.1 Block Diagram Of Test Setup ........................................... 34 9.2 Limit ................................................................. 34 9.3 Test procedure ........................................................ 34 9.4 Test Result ........................................................... 35 10. 20DB OCCUPIED BANDWIDTH ....................................... 39 10.1 Block Diagram Of Test Setup .......................................... 39 10.2 Limit ................................................................ 39 10.3 Test procedure ....................................................... 39 10.4 Test Result .......................................................... 39 11. CARRIERFREQUENCIES SEPARATION ............................... 43 11.1 Block Diagram Of Test Setup .......................................... 43 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240604040RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 58 11.2 Limit ................................................................ 43 11.3 Test procedure ....................................................... 43 11.4 Test Result .......................................................... 43 12. HOPPING CHANNEL NUMBER ........................................ 47 12.1 Block Diagram Of Test Setup .......................................... 47 12.2 Limit ................................................................ 47 12.3 Test procedure ....................................................... 47 12.4 Test Result .......................................................... 47 13. DWELL TIME ........................................................ 49 13.1 Block Diagram Of Test Setup .......................................... 49 13.2 Limit ................................................................ 49 13.3 Test procedur…

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Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 2 Model: T4201 Radiated Emission Below 1G Above 1G Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 2 Conducted emissions