2A8O2-SMYC403D Printer

01 0203 080607090504 FCC Statement 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 and can radiate radio frequency energy and, if not installed and used in accordance with the 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. To assure continued compliance, any changes or modifications not expressly approved by the party. Responsible for compliance could void the user’s authority to operate this equipment. (Example- use only shielded interface cables when connecting to computer or peripheral devices). This equipment 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. FCC Radiation Exposure Statement: The equipment complies with FCC Radiation exposure limits set forth for uncontrolled enviroment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. .

Shenzhen Senma Utrend Technology Co., Ltd. Floor 2, Building 9, Rundongsheng Industrial Zone, No. 467, Section Xixiang, 107 National Road, Longteng Community, Xixiang Street, Bao'an District, Shenzhen, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024-2-5 To whom it may concern: We, Shenzhen Senma Utrend Technology Co., Ltd., hereby certify that the equipment for which authorization is sought (FCC ID: 2A8O2-SMYC40) is not “covered” equipment prohibited from receiving an equipment authorization pursuant to § 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, we are not identified on the Covered List (https://www.fcc.gov/supplychain/coveredlist) as an entity producing “covered” equipment. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(b) and (d)(5) and (6). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. Sincerely, Signature chunfeng yin postsale engineer Shenzhen Senma Utrend Technology Co., Ltd. 62_[model] CoveredEqu_2.911(d)(5)(i) and (ii) - U, V03

Shenzhen Senma Utrend Technology Co., Ltd. Floor 2, Building 9, Rundongsheng Industrial Zone, No. 467, Section Xixiang, 107 National Road, Longteng Community, Xixiang Street, Bao'an District, Shenzhen, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024-2-5 U.S. Agent Designation Shenzhen Senma Utrend Technology Co., Ltd. acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2A8O2-SMYC40): Name and company of U.S. agent: ACT Lab LLC Physical U.S. address of agent: 3280 East 59th Street Long Beach, CA 90805 United States FRN of U.S. agent: 0033465568 Email address of U.S. agent: [email protected] ACT Lab LLC acknowledges their obligation to accept service of process on behalf of Shenzhen Senma Utrend Technology Co., Ltd.. Shenzhen Senma Utrend Technology Co., Ltd. with the FRN [0032881344] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Sincerely, Signature chunfeng yin postsale engineer Shenzhen Senma Utrend Technology Co., Ltd. Signature Scott Huber Senior Technical Director ACT Lab LLC 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

Shenzhen Senma Utrend Technology Co., Ltd. Add: Floor 2, Building 9, Rundongsheng Industrial Zone, No. 467, Section Xixiang, 107 National Road, Longteng Community, Xixiang Street, Bao'an District, Shenzhen, China Date: 2024-2-5 FCC ID: 2A8O2-SMYC40 Dear Sir/Madam, We, Shenzhen Senma Utrend Technology Co., Ltd. Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, structure and internal of these model(s) are the same, only difference is Different names, different customers: Product name: 3D Printer Model no.: SMYC40, SMYC40 Pro, SMYC60 Sincerely, Name/Title： chunfeng yin/postsale engineer Company: Shenzhen Senma Utrend Technology Co., Ltd. Address: Floor 2, Building 9, Rundongsheng Industrial Zone, No. 467, Section Xixiang, 107 National Road, Longteng Community, Xixiang Street, Bao'an District, Shenzhen, China Phone: 13144818971 Fax: 0755-29566799 E-Mail: [email protected]

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2024-2-5> Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID Model name 2A8O2-SMYC40 SMYC40 For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name/Title： chunfeng yin/postsale engineer Company: Shenzhen Senma Utrend Technology Co., Ltd. Address: Floor 2, Building 9, Rundongsheng Industrial Zone, No. 467, Section Xixiang, 107 National Road, Longteng Community, Xixiang Street, Bao'an District, Shenzhen, China Phone: 13144818971 Fax: 0755-29566799 E-Mail: [email protected]

Shenzhen Senma Utrend Technology Co., Ltd. Floor 2, Building 9, Rundongsheng Industrial Zone, No. 467, Section Xixiang, 107 National Road, Longteng Community, Xixiang Street, Bao'an District, Shenzhen, China Date: 2024-2-5 FCC ID: 2A8O2-SMYC40 Model Number: SMYC40 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD To Whom It May Concern, We, Shenzhen Senma Utrend Technology Co., Ltd., declare that this EUT (FCC ID: 2A8O2-SMYC40) doesn’t have Ad Hoc mode function on “non-US/Canada frequencies”. In addition. The frequency selection feature is disabled by firmware for devices marked to the US/Canada. For DTS part of this device, only channels 1-11 will be used in North America, Country code selection is disabled. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, Name/Title： chunfeng yin/postsale engineer Company: Shenzhen Senma Utrend Technology Co., Ltd. Address: Floor 2, Building 9, Rundongsheng Industrial Zone, No. 467, Section Xixiang, 107 National Road, Longteng Community, Xixiang Street, Bao'an District, Shenzhen, China Phone: 13144818971 Fax: 0755-29566799 E-Mail: [email protected]

Shenzhen Senma Utrend Technology Co., Ltd. Floor 2, Building 9, Rundongsheng Industrial Zone, No. 467, Section Xixiang, 107 National Road, Longteng Community, Xixiang Street, Bao'an District, Shenzhen, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024-2-5 To whom it may concern: We, the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2A8O2-SMYC40 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. By signing this application form, we agree to Eurofins’ current valid General Terms and Conditions (AGB),Testing and Certification Regulations (PZO) which can be viewed on following website www.eurofins.de/ee or retrieved on request. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Name/Title： chunfeng yin/postsale engineer Company: Shenzhen Senma Utrend Technology Co., Ltd. Address: Floor 2, Building 9, Rundongsheng Industrial Zone, No. 467, Section Xixiang, 107 National Road, Longteng Community, Xixiang Street, Bao'an District, Shenzhen, China Phone: 13144818971 Fax: 0755-29566799 E-Mail: [email protected]

FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of Adapter FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Photo 5 Appearance of EUT Photo 6 Appearance of EUT FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Photo 7 Appearance of EUT

FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Appendix IID Label Appendix II ID Label Location 3D Printer FCC ID: 2A8O2-SMYC40 Model: SMYC40 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. 2. This device must accept any interference received, including interference that may cause undesired operation.

FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 8 Internal of EUT Photo 9 Internal of EUT FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Photo 10 Internal of EUT Photo 11 Internal of EUT Antenna FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Photo 12 Appearance of PCB Photo 13 Appearance of PCB FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Photo 14 Appearance of PCB Photo 15 Appearance of PCB FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Photo 16 Appearance of PCB Photo 17 Appearance of PCB

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202311-0363-8 Page: 1 of 4 TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 Maximum Permissible Exposure Evaluation FCC ID: 2A8O2-SMYC40 1. Client Information Applicant : Shenzhen Senma Utrend Technology Co., Ltd. Address : Floor 2, Building 9, Rundongsheng Industrial Zone, No. 467, Section Xixiang, 107 National Road, Longteng Community, Xixiang Street, Bao'an District, Shenzhen, China Manufacturer : Shenzhen Senma Utrend Technology Co., Ltd. Address : Floor 2, Building 9, Rundongsheng Industrial Zone, No. 467, Section Xixiang, 107 National Road, Longteng Community, Xixiang Street, Bao'an District, Shenzhen, China 2. General Description of EUT EUT Name : 3D Printer Models No. : SMYC40, SMYC40 Pro, SMYC60 Model Different : All these models are identical in the same PCB, layout and electrical circuit, the only difference is Different names, different customers. Product Description : Operation Frequency: Bluetooth LE V5.0 2402MHz~2480MHz 802.11b/g/n(HT20): 2412MHz~2462MHz 802.11n(HT40): 2422MHz~2452MHz Antenna Gain: 5.54dBi FPC Antenna Power Rating : Adapter(TS-A053-2402201) Input: 100-240V~50/60Hz 1.5A Output: 24.0V/2.2A 52.8W Software Version : V1.0.0 Hardware Version : V3.4 Connecting I/O Port(S) : Please refer to the User's Manual Remark : the evaluation report used the EUT(HC-C-202311-0363-02-01-2#). Report No.: TBR-C-202311-0363-8 Page: 2 of 4 TB-RF-074-1.0 Method of Measurement for FCC 1. EUT Operation Condition: Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. 2. Exposure Evaluation: Equation from page 18 of OET Bulletin 65, Edition 97-01 S=(PG)/4πR 2 Where S: power density P: power input to the 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 3. Simultaneous transmission MPE Considerations According to KDB447498: All transmitters and antennas in the host must be either evaluated for MPE compliance, by measurement or computational modeling, or qualify for the standalone MPE test exclusion in section 7.1. Simultaneous transmission MPE test exclusion applies when the sum of the MPE ratios for all simultaneous transmitting antennas incorporated in a host device, based on the calculated/estimated, numerically modeled or measured field strengths or power density, is ≤ 1.0. This means that: ∑ of MPE ratios ≤ 1.0 Report No.: TBR-C-202311-0363-8 Page: 3 of 4 TB-RF-074-1.0 4. Test Result: Bluetooth LE Worst Maximum MPE Result Mode N TX Freq. (MHz) Conducted Power(max) (dBm) Turn-up Power (dB) Max tune up power (dBm) [P] ANT Gain (dBi) [G] Distance (cm) [R] Power Density (mW/ cm 2 ) [S] GFSK-1M 1 2402 4.971 4±1 5 5.54 20 0.00225 2440 4.815 4±1 5 5.54 20 0.00225 2480 4.783 4±1 5 5.54 20 0.00225 GFSK-2M 1 2402 4.915 4±1 5 5.54 20 0.00225 2440 4.855 4±1 5 5.54 20 0.00225 2480 4.692 4±1 5 5.54 20 0.00225 Note: N TX = Number of Transmit Antennas RF Output power specifies that Maximum Conducted Peak Output Power. 2.4G WiFi Worst Maximum MPE Result Mode N TX Freq. (MHz) Conducted Power(max) (dBm) Turn-up Power (dB) Max tune up power (dBm) [P] ANT Gain (dBi) [G] Distance (cm) [R] Power Density (mW/ cm 2 ) [S] 802.11b 1 2412 16.53 16±1 17 5.54 20 0.0357 2437 16.38 16±1 17 5.54 20 0.0357 2462 16.37 16±1 17 5.54 20 0.0357 802.11g 1 2412 13.70 13±1 14 5.54 20 0.0179 2437 16.06 16±1 17 5.54 20 0.0357 2462 13.96 13±1 14 5.54 20 0.0179 802.11n (HT20) 1 2412 13.12 13±1 14 5.54 20 0.0179 2437 14.26 14±1 15 5.54 20 0.0225 2462 12.57 12±1 13 5.54 20 0.0142 802.11n (HT40) 1 2422 11.52 11±1 12 5.54 20 0.0113 2437 14.40 14±1 15 5.54 20 0.0225 2452 10.49 10±1 11 5.54 20 0.0089 Note: N TX = Number of Transmit Antennas RF Output power specifies that Maximum Conducted Peak Output Power. Report No.: TBR-C-202311-0363-8 Page: 4 of 4 TB-RF-074-1.0 5. Conclusion: As specified in Table 1B of 47 CFR 1.1310- Limits for Maximum Permissible Exposure (MPE), Limits for General Population/ Uncontrolled Exposure Frequency Range (MHz) Power density (mW/ cm 2 ) 300-1,500 F/1500 1,500-100,000 1.0 For Bluetooth LE&2.4G WIFI: 2402MHz~2480MHz&2412MHz~2462MHz MPE limit S: 1mW/ cm 2 The worst MPE is calculated as 0.0357mW/cm2 < limit 1mW/cm 2 . So, RF exposure limit warning or SAR test are not required. The EUT will only be used with a separation of 20cm or greater between the antenna and nearby persons and can therefore be considered a mobile transmitter per 47 CFR2.1091 (b). The RF Exposure Information page from the manual is included here for reference. For a more detailed features description, please refer to the RF Test Report. The measurement results comply with the FCC Limit per 47 CFR 2.1091 for the uncontrolled RF Exposure of mobile device. -----END OF THE REPORT-----

Confidentialitylevel: Confidential Innowave Partapprovalform Tabulationdate：2022/12/07 Partname CH20WIFIantennaSupplier KunshanRuixiangXunCommunicationTechnologyCo.,LTD MilletpartnumberProjectname CH20 Supplierpartnumber F12596612910001 Partattribute StructuralstockElectronicmaterial Pac kin g mat eri al Moduleelement Partdescription: Partrecognitioninformationlist: 1. 2. 3. remark： 1) 2) ProductspecificationComplete testreport Keypartslist 口 ☐ ☐ Productspecificationcontent:completespecification,circuitdiagram, structurediagram,BOMtable,etc Testreportcontent:("Y"indicatesrequired) Structural stock Electronic material Packing material Module element Reliabilitytest YYYY Electricalcharacteristi test c Y Safetyandenvironmental testing YYYY CPKreport Y Materialcomposition list YYY remark: C o u n t e r s i g n a n d d i s t r i b u t e Countersign ☐ ☐ ☐ ☐ ☐ ☐ ☐ ☐ ☐ ☐ Distribute ☐ ☐ ☐ ☐ ☐ ☐ ☐ ☐ ☐ ☐ Jobtitle Quality Structuraldesign Electronicdesign ProductionPM NPI Purchase software ID marksignaturedate v i e w p o i n t ☐Grantissue ☐Grantofchange ☐Temporaryperformance,validfor Supervisor approval Quality supervisor approval Thefilebelongstoproprietarydocumentinourcompany,can’tbeusedimproperlywithoutpermission, suchascopied、destroyed、discarded、diffusedetc. AllinformationinthisarticlebelongstoKunshanRuixiang CommunicationTechnologyCo.,LTD.,andmaynotbedistributed withoutpermission InternalAntennaProductSpecificationPage:2/6 Rev:1.0 Catalogue Engineeringdrawing:.........................................................................................................................................3. Antennaelectricalperformance:....................................................................................................................4. Engineeringdrawing: InternalAntennaProductSpecificationPage:4/6 Rev:1.0 Electricalperformanceofantenna： Specificationstandard Theprinterwifi(2.4G)antennaworksat2400-2500MHz,generatingresonance. Antennamatchingcircuit Thematchingcircuitisdesignedtomatchthemotherboardandtheantenna,sothatthe antennaoftheequipmentcanachievethebestRFperformanceintheworkingfrequency band. Match:Nomatchisavailable Returnlosstest Testresults&Waveforms S11 InternalAntennaProductSpecificationPage:5/6 Rev:1.0 Passiveefficiency: Freq(MHz) Effi(dB)Gain(dBi) 2400-2.385.42 2410-2.285.49 2420-2.09 243 5.54 0-2.255.53 2440-2.315.45 2450-2.195.44 2460-2.325.04 2470-2.494.55 2480-2.45 4.47 2490 -2.72 4.23 2500-2.82 4.17 ActiveOTAdata: CHTRP（11M）CHTis（11M） 11b 113.911-82.64 7 14.28 7 -83.75 1313.6313-83.85 CHTRP（11M）CHTis（11M） 11g 113.661-69.63 713.587-68.69 1313.7913-70.02 CHTRP（6.5M）CHTis（65M） 11gn 113.181-63.45 713.967-63.57 1313.6713-66.27 InternalAntennaProductSpecificationPage:6/6 Rev:1.0 Throughputtestdata: 11B TXrightside (RSSI-50) RXrightside (RSSI-50) TXreverseside (RSSI-50) RXreverseside (RSSI-50) TXrightside (RSSI-80) RXrightside (RSSI-80) 1 5Mbps2Mbps5Mbps5Mbps5Mbps2Mbps 7 5Mbps2Mbps5Mbps5Mbps5Mbps2Mbps 13 5Mbps2Mbps4Mbps4Mbps4Mbps2Mbps 11G TXrightside (RSSI-50) RXrightside (RSSI-50) TXreverseside (RSSI-50) RXreverseside (RSSI-50) TXrightside (RSSI-80) RXrightside (RSSI-80) 1 25Mbps25Mbps19Mbps16Mbps9Mbps1Mbps 7 25Mbps25Mbps25Mbps17Mbps10Mbps1Mbps 13 24Mbps23Mbps25Mbps17Mbps11Mbps1Mbps 11N TXrightside (RSSI-50) RXrightside (RSSI-50) TXreverseside (RSSI-50) RXreverseside (RSSI-50) TXrightside (RSSI-80) RXrightside (RSSI-80) 1 87Mbps96Mbps70Mbps82Mbps25Mbps31Mbps 7 85Mbps96Mbps71Mbps88Mbps27Mbps31Mbps 13 86Mbps95Mbps72Mbps92Mbps28Mbps31Mbps 11BRSSI-50RSSI-80 attenuation 3160 11GRSSI-50RSSI-80 attenuation 3160 11NRSSI-50RSSI-50 attenuation 3160

Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-9 Page: 1 of 38 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 RF Test Data for Bluetooth LE (Conducted Measurements) General Description of EUT Product Name: 3D Printer Test Model: SMYC40 Sample ID: HC-C-202311-0363-02-01-2# Environmental Conditions Temperature: 23.8°C Relative Humidity: 48% Test Voltage: AC 120V/60Hz Test Engineer: Mike Yan Note: For a more detailed features description, please refer to the report TBR-C-202311-0363-9 The report only show the worst case data. Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-9 Page: 2 of 38 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 1. Duty Cycle Condition Mode Frequency (MHz) Antenna Duty Cycle (%) Correction Factor (dB) 1/T (kHz) NVNT BLE 1Mbps 2402 Ant1 83.96 0.76 0.48 NVNT BLE 1Mbps 2440 Ant1 83.97 0.76 0.48 NVNT BLE 1Mbps 2480 Ant1 83.96 0.76 0.48 NVNT BLE 2Mbps 2402 Ant1 56.69 2.46 0.94 NVNT BLE 2Mbps 2440 Ant1 56.69 2.46 0.94 NVNT BLE 2Mbps 2480 Ant1 56.69 2.46 0.94 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-9 Page: 3 of 38 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Test Graphs Duty Cycle NVNT BLE 1Mbps 2402MHz Ant1 Duty Cycle NVNT BLE 1Mbps 2440MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-9 Page: 4 of 38 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Duty Cycle NVNT BLE 1Mbps 2480MHz Ant1 Duty Cycle NVNT BLE 2Mbps 2402MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-9 Page: 5 of 38 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Duty Cycle NVNT BLE 2Mbps 2440MHz Ant1 Duty Cycle NVNT BLE 2Mbps 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-9 Page: 6 of 38 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 2. Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Limit (dBm) Verdict NVNT BLE 1Mbps 2402 Ant1 4.971 30 Pass NVNT BLE 1Mbps 2440 Ant1 4.815 30 Pass NVNT BLE 1Mbps 2480 Ant1 4.783 30 Pass NVNT BLE 2Mbps 2402 Ant1 4.915 30 Pass NVNT BLE 2Mbps 2440 Ant1 4.855 30 Pass NVNT BLE 2Mbps 2480 Ant1 4.692 30 Pass Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-9 Page: 7 of 38 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Test Graphs Power NVNT BLE 1Mbps 2402MHz Ant1 Power NVNT BLE 1Mbps 2440MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-9 Page: 8 of 38 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Power NVNT BLE 1Mbps 2480MHz Ant1 Power NVNT BLE 2Mbps 2402MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-9 Page: 9 of 38 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Power NVNT BLE 2Mbps 2440MHz Ant1 Power NVNT BLE 2Mbps 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-9 Page: 10 of 38 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 3. -6dB Bandwidth Condition Mode Frequency (MHz) Antenna -6 dB Bandwidth (MHz) Limit -6 dB Bandwidth (MHz) Verdict NVNT BLE 1Mbps 2402 Ant1 0.64 0.5 Pass NVNT BLE 1Mbps 2440 Ant1 0.65 0.5 Pass NVNT BLE 1Mbps 2480 Ant1 0.64 0.5 Pass NVNT BLE 2Mbps 2402 Ant1 1.10 0.5 Pass NVNT BLE 2Mbps 2440 Ant1 1.05 0.5 Pass NVNT BLE 2Mbps 2480 Ant1 1.06 0.5 Pass Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-9 Page: 11 of 38 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Test Graphs -6dB Bandwidth NVNT BLE 1Mbps 2402MHz Ant1 -6dB Bandwidth NVNT BLE 1Mbps 2440MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-9 Page: 12 of 38 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 -6dB Bandwidth NVNT BLE 1Mbps 2480MHz Ant1 -6dB Bandwidth NVNT BLE 2Mbps 2402MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-9 Page: 13 of 38 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 -6dB Bandwidth NVNT BLE 2Mbps 2440MHz Ant1 -6dB Bandwidth NVNT BLE 2Mbps 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-9 Page: 14 of 38 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 4. Occupied Channel Bandwidth Condition Mode Frequency (MHz) Antenna 99% OBW (MHz) NVNT BLE 1Mbps 2402 Ant1 1.036 NVNT BLE 1Mbps 2440 Ant1 1.035 NVNT BLE 1Mbps 2480 Ant1 1.043 NVNT BLE 2Mbps 2402 Ant1 2.035 NVNT BLE 2Mbps 2440 Ant1 2.027 NVNT BLE 2Mbps 2480 Ant1 2.030 Sh…

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Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-99 Page: 1 of 62 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 RF Test Data for 2.4G WiFi (Conducted Measurements) General Description of EUT Product Name: 3D Printer Test Model: SMYC40 Sample ID: HC-C-202311-0363-02-01-2# Environmental Conditions Temperature: 23.8°C Relative Humidity: 48% Test Voltage: AC 120V/60Hz Test Engineer: Mike Yan Note: For a more detailed features description, please refer to the report TBR-C-202311-0363-99 The report only show the worst case data. Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-99 Page: 2 of 62 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 1. Duty Cycle Condition Mode Frequency (MHz) Antenna Duty Cycle (%) Correction Factor (dB) 1/T (kHz) NVNT b 2412 Ant1 32.62 4.87 1.69 NVNT b 2437 Ant1 32.73 4.85 1.68 NVNT b 2462 Ant1 32.62 4.87 1.69 NVNT g 2412 Ant1 32.37 4.9 1.71 NVNT g 2437 Ant1 32.37 4.9 1.71 NVNT g 2462 Ant1 32.37 4.9 1.71 NVNT n(HT20) 2412 Ant1 31.28 5.05 1.79 NVNT n(HT20) 2437 Ant1 31.41 5.03 1.79 NVNT n(HT20) 2462 Ant1 31.46 5.02 1.78 NVNT n(HT40) 2422 Ant1 32.06 4.94 1.72 NVNT n(HT40) 2437 Ant1 32.06 4.94 1.72 NVNT n(HT40) 2452 Ant1 32.06 4.94 1.72 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-99 Page: 3 of 62 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Test Graphs Duty Cycle NVNT b 2412MHz Ant1 Duty Cycle NVNT b 2437MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-99 Page: 4 of 62 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Duty Cycle NVNT b 2462MHz Ant1 Duty Cycle NVNT g 2412MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-99 Page: 5 of 62 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Duty Cycle NVNT g 2437MHz Ant1 Duty Cycle NVNT g 2462MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-99 Page: 6 of 62 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Duty Cycle NVNT n(HT20) 2412MHz Ant1 Duty Cycle NVNT n(HT20) 2437MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-99 Page: 7 of 62 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Duty Cycle NVNT n(HT20) 2462MHz Ant1 Duty Cycle NVNT n(HT40) 2422MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-99 Page: 8 of 62 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 Duty Cycle NVNT n(HT40) 2437MHz Ant1 Duty Cycle NVNT n(HT40) 2452MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202311-0363-99 Page: 9 of 62 FCC ID: 2A8O2-SMYC40 TB-RF-074-1.0 2. Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Limit (dBm) Verdict NVNT b 2412 Ant1 16.53 30 Pass NVNT b 2437 Ant1 16.38 30 Pass NVNT b…

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