2AYPE-GATA30812Tablet PC

FCC regulatory conformance： 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. NOTE: This equipment has been tested and found to comply with the limits for a C lass 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 NOTE: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user’s authority to operate the equipment. RF Exposure The SAR limit of USA (FCC) is 1.6 W/Kg averaged over one gram of tissue. Device has al so been tested against this SAR limit. This device was tested for typical body-worn operations with the back of the device kept 5m m from the body. To maintain compliance with FCC RF exposure requirements, use accessories that maintain a 0mm separation distance between the user's body and the back of the device. The use of accessories that do not satisfy these requirements may not comply with FCC RF exposure requirements, and should be avoided. The body worn accessories should not contain metallic components in product’s assembly.

E&S INTERNATIONAL ENTERPRISES, INC. Date: 26 July, 2021 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 To Whom It May Concern: The E&S INTERNATIONAL ENTERPRISES, INC., the undersigned, hereby authorizes Mr. Wu Xuewen from Shenzhen BALUN Technology Co., Ltd., to act on the behalf of the E&S INTERNATIONAL ENTERPRISES, INC. solely in matters relating to the application for an FCC equipment authorization for FCC ID: 2AYPE-GATA30812 including the signing of documents in connection with this Application. Necessary acts carried out by Shenzhen BALUN Technology Co., Ltd. in connection with the Application shall have the same effect as acts of the E&S INTERNATIONAL ENTERPRISES, INC. The E&S INTERNATIONAL ENTERPRISES, INC. 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. Section 862. Yours Sincerely, Print name: Ting Liu Title: Manager E&S INTERNATIONAL ENTERPRISES, INC.

E&S INTERNATIONAL ENTERPRISES, INC. Date: 26 July, 2021 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 RE: E&S INTERNATIONAL ENTERPRISES, INC. FCC ID: 2AYPE-GATA30812 FCC Certification Confidentiality Request Gentlemen: This letter is to comply with 47 CFR 0.457 and 0.459 pertaining to confidentiality material. E&S INTERNATIONAL ENTERPRISES, INC. requests that the following documents regarding this submission for FCC ID : 2AYPE-GATA30812 be kept Long-Term confidential: Exhibit Type File Name Block Diagram Block Diagram.pdf Schematics Schematics.pdf Operational Description Operational Description.pdf And below exhibit kept short-term confidential (180 days): Exhibit Type File Name External Photos External Photo.pdf Internal Photos Internal Photo.pdf Test Setup Photos Test Setup Photos.pdf Users Manuals Users Manual.pdf Those documents contain detailed system and equipment description and related information about the product which E&S INTERNATIONAL ENTERPRISES, INC. considers to be confidential proprietary, a custom design and, otherwise, not releasable to the general public. Since this design is a basis form which future technological products will evolve, E&S INTERNATIONAL ENTERPRISES, INC. considers this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Thank you for your attention to this matter. Yours Sincerely, Print name: Ting Liu Title: Manager E&S INTERNATIONAL ENTERPRISES, INC.

Annex No.: BL-SZ2160105-AW 1 / 5 EUT EXTERNAL PHOTOS FRONT VIEW OF EUT BACK VIEW OF EUT Annex No.: BL-SZ2160105-AW 2 / 5 LEFT SIDE VIEW OF EUT RIGHT SIDE OF EUT Annex No.: BL-SZ2160105-AW 3 / 5 TOP VIEW OF EUT BOTTOM VIEW OF EUT Annex No.: BL-SZ2160105-AW 4 / 5 Accessory-Power Adapter CLOSE-UP Annex No.: BL-SZ2160105-AW 5 / 5 Accessory-Type-C Cable Accessory-Earphone

Annex No.: BL-SZ2160105-AI 1 / 4 EUT INTERNAL PHOTOS EUT UNCOVER VIEW EUT UNCOVER VIEW FPC Antenna Annex No.: BL-SZ2160105-AI 2 / 4 MAIN BOARD TOP VIEW (WITH SHIELDING) MAIN BOARD REAR VIEW b Annex No.: BL-SZ2160105-AI 3 / 4 MAIN BOARD TOP VIEW (WITHOUT SHIELDING) c Battery Photo (FRONT) RF Chip Annex No.: BL-SZ2160105-AI 4 / 4 Battery Photo (REAR)

Normal Mode RF Power Range (WLAN) Band (GHz) Mode Channel Freq. (MHz) Range(dBm) WIFI 2.4G (2.4~2.4835) 802.11b 1 2412 5.00-7.00 6 2437 5.00-7.00 11 2462 5.00-7.00 802.11g 1 2412 3.00-5.00 6 2437 3.00-5.00 11 2462 3.00-5.00 802.11n(HT20) 1 2412 3.00-5.00 6 2437 3.00-5.00 11 2462 3.00-5.00 802.11n(HT40) 3 2422 3.00-5.00 6 2437 3.00-5.00 9 2452 3.00-5.00 Normal Mode RF Power Range (Bluetooth) Band (GHz) Mode Range(dBm) Bluetooth (2.4~2.4835) GFSK 7.00-9.00 π/4-DQPSK 9.00-11.00 8-DPSK 9.00-11.00 BLE (1Mbps) 1.00-3.00

Report No.: BL-SZ2160105-701 2 / 41 Revision History Version Issue Date Revisions Content Rev. 01 Aug. 12, 2021 Initial Issue TABLE OF CONTENTS 1 ADMINSTRATIVE DATA (GENERAL INFORMATION) ......................................................................... 4 1.1 Identification of the Testing Laboratory ..................................................................................... 4 1.2 Identification of the Responsible Testing Location .................................................................... 4 1.3 Test Environment Condition ..................................................................................................... 4 1.4 Announce ................................................................................................................................. 4 2 PRODUCT INFORMATION ................................................................................................................... 5 2.1 Applicant Information ................................................................................................................ 5 2.2 Manufacturer Information .......................................................................................................... 5 2.3 Factory Information ................................................................................................................... 5 2.4 General Description for Equipment under Test (EUT) ............................................................... 5 2.5 Ancillary Equipment .................................................................................................................. 5 2.6 Technical Information ............................................................................................................... 6 3 SUMMARY OF TEST RESULTS ........................................................................................................... 7 3.1 Test Standards ......................................................................................................................... 7 3.2 Device Category and SAR Limit ............................................................................................... 8 3.3 Test Result Summary ............................................................................................................... 9 3.4 Test Uncertainty ..................................................................................................................... 10 4 SAR MEASUREMENT SYSTEM ......................................................................................................... 12 4.1 Definition of Specific Absorption Rate (SAR) .......................................................................... 12 4.2 SATIMO SAR System ............................................................................................................ 12 5 SYSTEM VERIFICATION .................................................................................................................... 21 5.1 Antenna Port Test Requirement ............................................................................................. 21 5.2 Purpose of System Check ...................................................................................................... 21 5.3 System Check Setup .............................................................................................................. 21 6 EUT TEST POSITION CONFIGURATUONS ....................................................................................... 22 6.1 Body-worn Position Conditions ............................................................................................... 22 Report No.: BL-SZ2160105-701 3 / 41 7 SAR MEASUREMENT PROCEDURES ............................................................................................... 23 7.1 SAR Measurement Process Diagram ..................................................................................... 23 7.2 SAR Scan General Requirements .......................................................................................... 24 7.3 SAR Measurement Procedure ................................................................................................ 25 7.4 Area & Zoom Scan Procedures .............................................................................................. 25 8 CONDUCTED RF OUPUT POWER .................................................................................................... 26 8.1 WIFI ........................................................................................................................................ 26 8.2 Bluetooth ................................................................................................................................ 27 9 EUT ANTENNA LOCATION SKETCH ................................................................................................. 28 9.1 SAR Test Exclusion Consider Table ....................................................................................... 29 9.2 10g Extremity Exposure Consider .......................................................................................... 31 10 TEST RESULTS .................................................................................................................................. 32 10.1 Bluetooth ................................................................................................................................ 32 11 SAR Measurement Variability .............................................................................................................. 33 12 SIMULTANEOUS TRANSMISSION..................................................................................................... 34 13 TEST EQUIPMENTS LIST .................................................................................................................. 35 ANNEX A SIMULATING LIQUID VERIFICATION RESULT .................................................................... 36 ANNEX B SYSTEM CHE…

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Report No.: BL-SZ2160105-701 CALIBRATION REPORT F.1 E-Field Probe Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 F.2 2450 MHz Dipole Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701 Report No.: BL-SZ2160105-701

Report No.: BL-SZ2160105-602 2 / 50 Revision History Version Issue Date Revisions Content Rev. 01 Aug. 12, 2021 Initial Issue TABLE OF CONTENTS 1 ADMINISTRATIVE DATA (GENERAL INFORMATION) .......................................................................... 5 1.1 Identification of the Testing Laboratory ....................................................................................... 5 1.2 Identification of the Responsible Testing Location ...................................................................... 5 1.3 Laboratory Condition ................................................................................................................... 5 1.4 Announce .................................................................................................................................... 5 2 PRODUCT INFORMATION ...................................................................................................................... 6 2.1 Applicant Information ................................................................................................................... 6 2.2 Manufacturer Information ............................................................................................................ 6 2.3 Factory Information ..................................................................................................................... 6 2.4 General Description for Equipment under Test (EUT) ................................................................ 6 2.5 Technical Information .................................................................................................................. 7 2.6 Additional Instructions ................................................................................................................. 8 3 SUMMARY OF TEST RESULTS .............................................................................................................. 9 3.1 Test Standards ............................................................................................................................ 9 3.2 Verdict ......................................................................................................................................... 9 4 GENERAL TEST CONFIGURATIONS ................................................................................................... 10 4.1 Test Environments .................................................................................................................... 10 4.2 Test Equipment List ................................................................................................................... 10 4.3 Measurement Uncertainty ......................................................................................................... 10 4.4 Description of Test Setup .......................................................................................................... 11 4.4.1 For Antenna Port Test ............................................................................................................... 11 4.4.2 For AC Power Supply Port Test ................................................................................................ 1 1 4.4.3 For Radiated Test (Below 30 MHz) ........................................................................................... 12 4.4.4 For Radiated Test (30 MHz-1 GHz) .......................................................................................... 12 4.4.5 For Radiated Test (Above 1 GHz) ............................................................................................. 13 4.5 Measurement Results Explanation Example ............................................................................. 14 4.5.1 For conducted test items: .......................................................................................................... 14 Report No.: BL-SZ2160105-602 3 / 50 4.5.2 For radiated band edges and spurious emission test: ............................................................... 14 5 TEST ITEMS ........................................................................................................................................... 15 5.1 Antenna Requirements .............................................................................................................. 15 5.1.1 Relevant Standards ................................................................................................................... 15 5.1.2 Antenna Anti-Replacement Construction .................................................................................. 15 5.1.3 Antenna Gain ............................................................................................................................ 15 5.2 Output Power ............................................................................................................................ 16 5.2.1 Test Limit ................................................................................................................................... 16 5.2.2 Test Setup ................................................................................................................................. 16 5.2.3 Test Procedure .......................................................................................................................... 16 5.2.4 Test Result ................................................................................................................................ 17 5.3 Occupied Bandwidth ................................................................................................................. 18 5.3.1 Limit ........................................................................................................................................... 18 5.3.2 Test Setup ................................................................................................................................. 18 5.3.3 Test Procedure .................................…

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Report No.: BL-SZ2160105-603 2 / 74 Revision History Version Issue Date Revisions Content Rev. 01 Aug. 12, 2021 Initial Issue Rev. 02 Aug. 19, 2021 Update the Test Equipment List Rev. 03 Aug. 23, 2021 Add the test setup photo on section 4.4.6 TABLE OF CONTENTS 1 ADMINISTRATIVE DATA (GENERAL INFORMATION) ........................................................................ 5 1.1 Identification of the Testing Laboratory ..................................................................................... 5 1.2 Identification of the Responsible Testing Location .................................................................... 5 1.3 Laboratory Condition ................................................................................................................ 5 1.4 Announce ................................................................................................................................. 5 2 PRODUCT INFORMATION ................................................................................................................... 6 2.1 Applicant Information ................................................................................................................ 6 2.2 Manufacturer Information .......................................................................................................... 6 2.3 Factory Information ................................................................................................................... 6 2.4 General Description for Equipment under Test (EUT) ............................................................... 6 2.5 Technical Information ............................................................................................................... 7 2.6 Additional Instructions .............................................................................................................. 9 3 SUMMARY OF TEST RESULTS ......................................................................................................... 10 3.1 Test Standards ....................................................................................................................... 10 3.2 Verdict .................................................................................................................................... 10 4 GENERAL TEST CONFIGURATIONS ................................................................................................ 11 4.1 Test Environments .................................................................................................................. 11 4.2 Test Equipment List ................................................................................................................ 11 4.3 Measurement Uncertainty ....................................................................................................... 12 4.4 Description of Test Setup ....................................................................................................... 12 4.4.1 For Antenna Port Test ............................................................................................................ 12 4.4.2 For AC Power Supply Port Test .............................................................................................. 13 4.4.3 For Radiated Test (Below 30 MHz) ......................................................................................... 13 4.4.4 For Radiated Test (30 MHz-1 GHz) ........................................................................................ 14 4.4.5 For Radiated Test (Above 1 GHz) .......................................................................................... 14 4.4.6 Conducted Power Test ........................................................................................................... 15 Report No.: BL-SZ2160105-603 3 / 74 4.5 Measurement Results Explanation Example ........................................................................... 16 4.5.1 For conducted test items: ....................................................................................................... 16 4.5.2 For radiated band edges and spurious emission test: ............................................................. 16 5 TEST ITEMS ....................................................................................................................................... 17 5.1 Antenna Requirements ........................................................................................................... 17 5.1.1 Relevant Standards ................................................................................................................ 17 5.1.2 Antenna Anti-Replacement Construction ................................................................................ 17 5.1.3 Antenna Gain ......................................................................................................................... 17 5.2 Output Power ......................................................................................................................... 18 5.2.1 Test Limit ................................................................................................................................ 18 5.2.2 Test Setup .............................................................................................................................. 18 5.2.3 Test Procedure ....................................................................................................................... 18 5.2.4 Test Result ............................................................................................................................. 19 5.3 6dB Bandwidth ....................................................................................................................... 20 5.3.1 Limit........................................................................................................................................ 20 5.3.2 Test Setup .......................................…

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Annex No.: BL-SZ2160105-AR TEST SETUP PHOTOS 1 Radiated Test Photo Below 30 MHz 30 MHz-1 GHz Annex No.: BL-SZ2160105-AR Close-Up Above 1 GHz Annex No.: BL-SZ2160105-AR Close-Up 2 Conducted Emissions Test Photo 1 Annex No.: BL-SZ2160105-AR Test Photo 2 3 Conducted Test Photo Conducted Test-BT Annex No.: BL-SZ2160105-AR Conducted Test-BLE Conducted Test-2.4G WIFI Annex No.: BL-SZ2160105-AR Conducted Test-2.4G WIFI (Power Sensor)

Annex No.: BL-SZ2160105-AS 1 / 1 TEST SETUP PHOTOS Back Side (0mm)