2BC58-TBT-02Tablet PC

Modatec H&O SAS Zom ac 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – EquipmentType Company name: Modatec H&O SAS Zom ac Address: CRA 23 NRO. 22-19,GRANADA,Antioquia,Colombia,054410. Product Name: Tablet PC FCCID: 2BC58-TBT-02 Model(s): TBT-02,TBT-01,TBT-03 2.911(d)(5)(i) EquipmentType We, [Modatec H&O SAS Zom ac] (“the applicant”) certify that the equipment for which authorization is sought through certification is not:  Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules.  Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: David Ospina Date: 2023/10/17 Title and Company name: Gerente / Modatec H&O SAS Zom ac NOTE 1 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Modatec H&O SAS Zom ac 2.911 (d)(5)(ii) Applicant Attestation v1.2 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: Modatec H&O SAS Zom ac Address: CRA 23 NRO. 22-19,GRANADA,Antioquia,Colombia,054410. Product Name: Tablet PC FCCID: 2BC58-TBT-02 Model(s): TBT-02,TBT-01,TBT-03 2.911(d)(5)(ii) Applicant filing We, [Modatec H&O SAS Zom ac] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 ,established pursuant to §1.50002 of this chapter,as an entity producing coveredcommunications equipment. Yours sincerely, Name: David Ospina Date: 2023/10/17 Title and Company name: Gerente / Modatec H&O SAS Zom ac Delete option not applicable to this application. NOTE 2 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Modatec H&O SAS Zom ac U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: Baihetian Innovative Solutions FRN: 0033401605 Contact Name: Kenneth Young Street Address: 6837 Chase Rd City/Province/Zip: Dearborn, MI 48126 Telephone No: 313-395-3113 Email: [email protected] This letter is to confirm that we (“the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: Oct 19, 2023 Signed by (Printed Name/Title): Kenneth Young/Manager The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: Modatec H&O SAS Zom ac FCC ID: 2BC58-TBT-02 Contact Name: David Ospina Address: CRA 23 NRO. 22-19,GRANADA,Antioquia,Colombia,054410. Telephone No: +573165247260 Email: [email protected] Applicant Signature: Date: 2023-10-17 Signed by (Printed Name/Title): David Ospina / Gerente

Declaration on model difference We the undersigned hereby confirm that any of our production units bearing the following model numbers are identical in circuitry and electrical, mechanical and physical construction; The difference is only in model names. Production name Trade name Model no. Tablet PC N/A TBT-02,TBT-01,TBT-03 Confirmed by：Shenzhen Efercro Electronic Technology Co., Ltd Signature: Date: 2023/10/17 Name: David Ospina Title: Gerente Company: Modatec H&O SAS Zom ac

Modatec H&O SAS Zom ac 2023.10.17 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR Product Name: Tablet PC FCCID: 2BC58-TBT-02 Model(s): TBT-02,TBT-01,TBT-03 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 - Block Diagram - Schematics - Operational Description - Part list - Tune UP Required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Client’s signature: Client’s name / title : David Ospina/ Gerente Contact information / address: CRA 23 NRO. 22- 19,GRANADA,Antioquia,Colombia,054410.

Modatec H&O SAS Zom ac 2023/10/17 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION Product Name: Tablet PC FCCID: 2BC58-TBT-02 Model(s): TBT-02,TBT-01,TBT-03 To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen BCTC Testing 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, Client’s signature: Client’s name / title : David Ospina / Gerente Contact information / address: CRA 23 NRO. 22- 19,GRANADA,Antioquia,Colombia,054410.

External Photos

Length * width：50MM*30MM 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, and (2) This device must accept any interference received, including interference that may cause undesired operation. FCC ID: 2BC58-TBT-02 Product Name: Trademark: Model/Type Reference: Tablet PC WIT TBT-02

Internal Photos Antenna DIV GSM/WCDMA/LTE Antenna BT/WIFI/GPS

Report No：BCTC2309895492-5E No.：BCTC/RF-EMC-005 Page 21 of 114 Edition：B.0 10.2 Limit The head tissue dielectric parameters recommended by the IEEE SCC-34/SC-2 in P1528 have been incorporated in the following table. These head parameters are derived from planar layer models simulating the highest expected SAR for the dielectric properties and tissue thickness variations in a human head. Other head and body tissue parameters that have not been specified in P1528 are derived from the tissue dielectric parameters computed from the 4-Cole-Cole equations described in Reference [12] and extrapolated according to the head parameters specified in P1528. Target Frequency (MHz) Head Conductivity (  ) Permittivity (  r ) 150 0.76 52.3 300 0.87 45.3 450 0.87 43.5 750 0.89 41.9 835 0.90 41.5 900 0.97 41.5 915 0.98 41.5 1450 1.20 40.5 1610 1.29 40.3 1800-2000 1.40 40.0 2450 1.80 39.2 2600 1.96 39.0 3000 2.40 38.5 5200 4.66 36.0 5400 4.86 35.8 5600 5.07 35.5 5800 5.27 35.3 Report No：BCTC2309895492-5E No.：BCTC/RF-EMC-005 Page 22 of 114 Edition：B.0 10.3 Tissue Calibration Result The dielectric parameters of the liquids were verified prior to the SAR evaluation using an R&S ZVB 8. Dielectric Probe Kit and an Agilent Network Analyzer. Calibration Result for Dielectric Parameters of Tissue Simulating Liquid Frequency (MHz) Liquid Target Conductivit y (σ) Target Permitivit y (εr) Measured Conductivit y (σ) Measured Permitivity (εr) Delta (σ)% Delta (εr)% Limit (%) Temp . TSL (°C) Date 835 Head 0.90 41.50 0.999 40.685 2.99 -1.96 ±5 22.5 11/10/2023 1900 Head 1.40 40.0 1.443 40.395 3.07 0.99 ±5 22.5 11/10/2023 2450 Head 1.80 39.2 1.834 38.216 1.89 -2.51 ±5 22.5 11/10/2023 Remark: 1. The temperature of the tissue-equivalent medium used during measurement must also be within 18C to 25C and within ± 2C of the temperature when the tissue parameters are characterized. 2. The dielectric parameters must be measured before the tissue-equivalent medium is used in a series of SAR measurements. The parameters should be re-measured after each 3 – 4 days of use; or earlier if the dielectric parameters can become out of tolerance; for example, when the parameters are marginal at the beginning of the measurement series. Report No：BCTC2309895492-5E No.：BCTC/RF-EMC-005 Page 23 of 114 Edition：B.0 11. System Check 11.1 Purpose of System Performance Check At the device test frequencies. System check verifies the measurement repeatability of a SAR system before compliance testing and is not a validation of all system specifications. The latter is not required for testing a device but is mandatory before the system is deployed. The system check detects possible short-term drift and unacceptable measurement errors or uncertainties in the system. 11.2 System Setup In the simplified setup for system evaluation, the EUT is replaced by a calibrated dipole and the power source is replaced by a continuous wave which comes from a signal generator at frequency 600MHz-6000MHz. The calibrated dipole must be placed beneath the flat phantom section of the SAM twin phantom with the correct distance holder. The distance holder should touch the phantom surface with a light pressure at the reference marking and be oriented parallel to the long side of the phantom. The output power on dipole port must be calibrated to 20 dBm (100 mW) before dipole is connected. System Verification Setup Block Diagram Report No：BCTC2309895492-5E No.：BCTC/RF-EMC-005 Page 24 of 114 Edition：B.0 Setup Photo of Dipole Antenna 11.3 Validation Results Comparing to the original SAR value provided by SATIMO, the validation data should be within its specification of 10 %. The following table shows the target SAR and measured SAR after normalized to 1W input power. The table below indicates the system performance check can meet the variation criterion. Frequency (MHz) Power Measured SAR 1g (W/Kg) Normalize to 1 Watt Drift (%) 1W Target Difference Percentage (%) Limit (%) Liquid Temp Date SAR 1g (W/Kg) 835 250 mW 2.478 9.912 -2.132 10.01 -0.979 ±10 22.5 11/10/2023 1900 250 mW 10.015 40.060 -0.650 41.26 -2.908 ±10 22.5 11/10/2023 2450 250 mW 13.819 55.275 -3.160 55.16 0.208 ±10 22.5 11/10/2023 Report No：BCTC2309895492-5E No.：BCTC/RF-EMC-005 Page 25 of 114 Edition：B.0 12. EUT Testing Position 12.1 Define Two Imaginary Lines on the Handset (a) The vertical centerline passes through two points on the front side of the handset - the midpoint of the width wt of the handset at the level of the acoustic output, and the midpoint of the width wb of the bottom of the handset. (b) The horizontal line is perpendicular to the vertical centerline and passes through the center of the acoustic output. The horizontal line is also tangential to the face of the handset at point A. (c) The two lines intersect at point A. Note that for many handsets, point A coincides with the center of the acoustic output; however, the acoustic output may be located elsewhere on the horizontal line. Also note that the vertical centerline is not necessarily parallel to the front face of the handset, especially for clamshell handsets, handsets with flip covers, and other irregularly shaped handsets. Illustration for Handset Vertical and Horizontal Reference Lines 12.2 Cheek Position (a) To position the device with the vertical center line of the body of the device and the horizontal line crossing the center piece in a plane parallel to the sagittal plane of the phantom. While maintaining the device in this plane, align the vertical center line with the reference plane containing the three ear and mouth reference point (M: Mouth, RE: Right Ear, and LE: Left Ear) and align the center of the ear piece with the line RE-LE. (b) To move the device towards the phantom with the ear piece aligned with the line LE-RE until the phone touched the ear. While maintaining the device in the reference plane and maintaining the phone contact with the ear, move the bottom of the phone until any point on the front side is in contact …

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Report No：BCTC2309895492-5E No.：BCTC/RF-EMC-005 Page 41 of 114 Edition：B.0 14.4 SAR Measurement Variability According to KDB865664, Repeated measurements are required only when the measured SAR is ≥ 0.80 W/kg. If the measured SAR value of the initial repeated measurement is < 1.45 W/kg with ≤ 20% variation, only one repeated measurement is required to reaffirm that the results are not expected to have substantial variations, which may introduce significant compliance concerns. A second repeated measurement is required only if the measured result for the initial repeated measurement is within 10% of the SAR limit and vary by more than 20%, which are often related to device and measurement setup difficulties. The following procedures are applied to determine if repeated measurements are required. The same procedures should be adapted for measurements according to extremity and occupational exposure limits by applying a factor of 2.5 for extremity exposure and a factor of 5 for occupational exposure to the corresponding SAR thresholds.19 The repeated measurement results must be clearly identified in the SAR report. All measured SAR, including the repeated results, must be considered to determine compliance and for reporting according to KDB 690783.Repeated measurement is not required when the original highest measured SAR is < 0.80 W/kg; steps 2) through 4) do not apply. 1) When the original highest measured SAR is ≥ 0.80 W/kg, repeat that measurement once. 2) Perform a second repeated measurement only if the ratio of largest to smallest SAR for the original and first repeated measurements is > 1.20 or when the original or repeated measurement is ≥ 1.45 W/kg (~ 10% from the 1-g SAR limit). 3) Perform a third repeated measurement only if the original, first or second repeated measurement is ≥ 1.5 W/kg and the ratio of largest to smallest SAR for the original, first and second repeated measurements is > 1.20. 4) Perform a third repeated measurement only if the original, first or second repeated measurement is ≥ 1.5 W/kg and the ratio of largest to smallest SAR for the original, first and second repeated measurements is > 1.20 Test Mode Frequency Band (MHz) RF Exposure Configuration Test Position Repeated SAR (yes/no) Highest Measure d SAR1-g (W/Kg) First Repeated Measued SAR1-g (W/Kg) Largest to Smallest SAR Ratio GSM 850 824.2 Hotspot Top Side Yes 1.155 1.091 1.059 WCDMA Band V 846.6 Hotspot Top Side Yes 1.037 0.993 1.044 Report No：BCTC2309895492-5E No.：BCTC/RF-EMC-005 Page 42 of 114 Edition：B.0 14.5 Simultaneous Transmission Evaluation Simultaneous transmission SAR test exclusion is determined for each operating configuration and exposure condition according to the reported standalone SAR of each applicable simultaneous transmiting antenna. Application Simultaneous Transmission information: No. Configurations Body SAR Hotspot SAR 1 GSM/ WCDMA + WIFI Yes Yes 2 GSM/ WCDMA + Bluetooth Yes Yes Remark: 1. GSM and WCDMA cannot be transmitted simultaneously. 2. WIFI and Bluetooth share the same antenna, and cannot transmit simultaneously. 3. According to the KDB 447498 D01 v06, when standalone SAR test exclusion applies to an antenna that transmits simultaneously with other antennas, the standalone SAR must be estimated according to following to determine simultaneous transmission SAR test exclusion: ● (max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)]·[√ f(GHz)/x] W/kg for test separation distances ≤ 50 mm; where x = 7.5 for 1-g SAR, and x = 18.75 for 10-g SAR. ● 0.4 W/kg for 1-g SAR and 1.0 W/kg for 10-g SAR, when the test separation distances is > 50 mm Estimated stand alone SAR Communication system Frequency (MHz) Maximum Power (dBm) Maximum Power (mW) Separation Distance (mm) X Estimated SAR1-g (W/kg) Bluetooth* 2480 5.5 3.55 5 7.5 0.149 Bluetooth* 2480 5.5 3.55 10 7.5 0.075 Note: 1. Bluetooth*- Including Lower power Bluetooth 2. Maximum average power including tune-up tolerance; 3. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion 4. Per FCC KD B447498 D01, simultaneous transmission SAR test exclusion may be applied when the sum of the 1-g SAR for all the transmitting antenna in a specific a physical test configuration is ≤1.6 W/Kg. When the sum is greater than the SAR limit, SAR test exclusion is determined by the SAR to peak location separation ratio. 1.5 12 (SAR +SAR ) Ratio=0.04 (peak location separation,mm)  5. Simultaneous transmission of maximum SAR sum calculation. RF Exposure Conditions Test Position GSM/ WCDMA WIFI2.4G Summed SAR (W/kg) SAR1-g Limit (W/kg) Scaled SAR (W/kg) Scaled SAR (W/kg) Body-worn & Hotspot Front 0.453 0.177 0.630 1.6 Back 0.088 0.038 0.126 1.6 Hotspot Top side 1.037 0.272 1.309 1.6 Report No：BCTC2309895492-5E No.：BCTC/RF-EMC-005 Page 43 of 114 Edition：B.0 15. Test Plots 15.1 System Performance Check System check at 835 MHz A. Experimental conditions. Probe SN 26/23 EPGO420 ConvF 0.81 Area Scan surf_sam_plan.txt Zoom Scan 7x7x8,dx=5mm dy=5mm dz=4mm Phantom Validation plane Device Position Dipole Band CW835 Channels Middle Signal CW (Crest factor: 1.0) B. Permitivity Frequency (MHz) 835.000 Relative permitivity (real part) 40.685 Relative permitivity (imaginary part) 20.910 Conductivity (S/m) 0.999 C. SAR Surface and Volume SURFACE SAR VOLUME SAR Maximum location: X=1.00, Y=0.00 ; SAR Peak: 3.68 W/kg D. SAR 1g & 10g SAR 10g (W/Kg) 1.076 SAR 1g (W/Kg) 2.478 Variation (%) -2.132 Horizontal validation criteria: minimum distance (mm) 0.000000 Vertical validation criteria: SAR ratio M2/M1 (%) 0.000000 E. Z Axis Scan Z (mm) 0.00 4.00 8.00 12.00 16.00 SAR (W/Kg) 3.108 2.344 1.786 1.395 1.109 Report No：BCTC2309895492-5E No.：BCTC/RF-EMC-005 Page 44 of 114 Edition：B.0 F. 3D Image 3D screen shot Hot spot position Report No：BCTC2309895492-5E No.：BCTC/RF-EMC-005 Page 45 of 114 Edition：B.0 System check at 1900 MHz A. Experimental conditions. Probe SN 26/23 EPGO420 Conv…

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No.：BCTC/RF-EMC-005 Page: 1 of 54 Edition：B.0 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2309895492-4E Applicant: Modatec H&O SAS Zom ac Product Name: Tablet PC Model/Type reference: TBT-02 Tested Date: 2023-09-22 to 2023-10-09 Issued Date: 2023-10-23 Report No.: BCTC2309895492-4E No.：BCTC/RF-EMC-005 Page: 2 of 54 Edition：B.0 FCC ID: 2BC58-TBT-02 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 BCTC Testing Co., Ltd, this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. Product Name: Tablet PC Trademark: WIT Model/Type reference: TBT-02, TBT-01, TBT-03 Prepared For: Modatec H&O SAS Zom ac Address: CRA 23 NRO. 22-19,GRANADA,Antioquia,Colombia,054410. Manufacturer: Shenzhen Great Asia Electronic Co.,Ltd. Address: 5F, Block B, Rui Xiang Fa Industry Building, Shang Xue Technology Park, Long GangDistrict, Shenzhen, China Prepared By: Shenzhen BCTC Testing Co., Ltd Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2023-09-22 Sample tested Date: 2023-09-22 to 2023-10-09 Report No.: BCTC2309895492-4E Test Standards: FCC CFR Title 47 Part 2 FCC CFR Title 47 Part22 Subpart H FCC CFR Title 47 Part24 Subpart E ANSI/ TIA/ EIA-603-D-2010 FCC KDB 971168 D01 Power Meas. License Digital Systems v02v02 Test Results: PASS Remark: This is GSM & WCDMAradio test report. Tested by: Approved by: Brave Zeng/ Project Handler Zero Zhou/Reviewer Report No.: BCTC2309895492-4E No.：BCTC/RF-EMC-005 Page: 3 of 54 Edition：B.0 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 4 2. Test Summary ....................................................................................................... 5 3. Measurement Uncertainty ..................................................................................... 6 4. Product Information And Test Setup ..................................................................... 7 4.1 Product Information ............................................................................................... 7 4.2 Test Setup Configuration ...................................................................................... 8 4.3 Support Equipment ............................................................................................... 8 4.5 Test Mode ............................................................................................................. 9 5. Test Facility And Test Instrument Used ............................................................... 10 5.1 Test Facility ......................................................................................................... 10 5.2 Test Instrument Used .......................................................................................... 10 6. RF Output Power ................................................................................................. 11 6.1 Block Diagram Of Test Setup .............................................................................. 11 6.2 Limit .................................................................................................................... 12 6.3 Test procedure .................................................................................................... 13 6.4 Test Result .......................................................................................................... 13 7. Peak-to-average Ratio(PAR) of Transmitter ........................................................ 17 7.1 Block Diagram Of Test Setup .............................................................................. 17 7.2 Limit .................................................................................................................... 17 7.3 Test procedure .................................................................................................... 17 7.4 Test Result .......................................................................................................... 17 8. Emission Bandwidth ............................................................................................ 26 8.1 Block Diagram Of Test Setup .............................................................................. 26 8.2 Limit .................................................................................................................... 26 8.3 Test procedure .................................................................................................... 26 8.4 Test Result .......................................................................................................... 26 9. Out of Band Emissions at Antenna Terminal ....................................................... 35 9.1 Block Diagram Of Test Setup .............................................................................. 35 9.2 Limit .................................................................................................................... 35 9.3 Test procedure .................................................................................................... 35 9.4 Test Result .......................................................................................................... 35 10. Spurious Radiated Emissions .............................................................................. 46 10.1 Block Diagram Of Test Setup ............................................................................ 46 10.2 Limit ..................................................................…

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