2BCA4-ATS25ATS25

User manual Vers. 4.15 Air for receiver SI4735/32 _ ESP32_2.8/2.4/3.2 inch Display Page 1 BFO usage indicator. On when a BFO value is set Indicator of use for AGC and for ATT. Is turned on when in use Modulation mode indicator in use MODE Time and date display area; when Wi-Fi is on, data will be received from the network, when it is turned off by RDS FM stations Indicator of the band in use BAND - HAM Display digits frequency in reception Button to activate Volume and Squelch adjustment via encoder ( pag.3 ) Activator button AGC Bandwidth indicator in use BANDW Tuning pitch indicator STEP Audio silencer button MUTE Button to activate the ATT attenuator adjustable by encoder Button to access the mode type selection page / Modulation MODE ( Pag. 5 ) NEXT button to go to the second page of function buttons....( pag. 2 ) Button to access the manual frequency entry page FREQ ( Pag...8 ) Key to access the page of choosing the bandwidth in Khz BANDW (Pag..7 ) S-meter, radio signal strength, has two types of S-meter, one is digital and the other is analog, and also has a Spectrum line and a Waterfall audio. Click to cycle between the four display options (page 13) Key to access the BFO adjustment page ( Pag... 14 ) Key to access the page of choice of the Amateur Bands HAM ( Pag...4 ) WI-FI status display area, press to activate ON or to disable Off Charge/percentage/voltage battery level indicator, click on it to change the display Key to access the selection page for the STEP tuning step ( Pag. 6 ) Button to access the Broadcasting Bands selection page BAND ( Pag...4 ) Indicator STEREO - MONO for FM stazions Press to turn the stereo on/off Frequency unit indicator MHz/kHz Write Area FM Station Name in RDS Writing area services News in RDS for FM stations and indication of transmission type Volume level display area, adjustable via encoder. Press to mute (page 3) User manual Vers. 4.15 Air for receiver SI4735/32 _ ESP32_2.8/2.4/3.2 inch Display Page 2 >>UP button to activate the automatic scanning of the frequency in use in increasing direction (the scan stops at any signal of good intensity) Button to activate / deactivate the reception of RDS services transmitted by stations in FM Button to activate the "retro scale" display mode of tube radios (pag. 17) Button to select the record page of the memory bank of the received stations ( Pag. 12 ) Button to enter CB channel reception mode ( from channel –A [23.815 Mhz] to channel +D [29.995 Mhz] ) ( Pag... 9 ) FM button to display the stations in Fm stored in the preset file.csv and in the Memory Bank ( pag.. 12 - 13 ) SCAN button to open the frequency scan page for the current band (pag. 10) SETUP button to access the setting page of the various system features ( Pag.. 19 ) INFO button to access the pages that show the status of the different settings of the system and with the addition of a utility about the propagation status of radio waves in HF in real time (data obtained from the internet if the wi-fi is on) ( Pag... 21 ) >>DN key to activate the automatic scanning of the frequency in use in descending direction (the scan stops at any signal of good intensity) BACK button to return to the first page of function buttons ( Pag... 1 ) LIGHT button to activate the adjustable screen brightness function by means of the encoder (Pag..13 ) User manual Vers. 4.15 Air for receiver SI4735/32 _ ESP32_2.8/2.4/3.2 inch Display Page 3 Squelch indication bar, adjustable by encoder. Press to activate. It works only for FM and AM Volume level indication area (0 to 63) adjustable with encoder Volume active button. You can also change the volume by pressing the encoder Digital/analog graphic indication of the volume level (press to turn on/off the sound) Encoder adjustable signal attenuation indication area. He is active in FM and AM. ATT button active. You can change the attenuation value by rotating the encoder- Display of the audio spectrum with vertical bar graphics. The audio bandwidth of the Spectrum varies depending on the bandwidth used. User manual Vers. 4.15 Air for receiver SI4735/32 _ ESP32_2.8/2.4/3.2 inch Display Page 4 Screen of choosing the broadcasting band to use , with an indication at the top of the frequency in current use. Press the button to use the band indicated on it. Screen of choosing the amateur band HAM to use, with indication at the top of the frequency in current use. Press the button to use the band indicated on it. User manual Vers. 4.15 Air for receiver SI4735/32 _ ESP32_2.8/2.4/3.2 inch Display Page 5 Screen for selecting the modes/types of modulation used for the HAM ranges only (amateur ranges) and the SW range, and with the frequency used at the top Press the button to use the mode indicated on it. Screen for selecting modulation modes/types used for BAND/HF/MW/LW ranges, except FM, SW and HAM bands, and with the frequency used at the top Press the button to use the mode indicated on it. Screen obtained after pressing the DIGI button for selecting digital signal decoding modes Press the button to use the mode indicated on it. (Note:- FT8 button is currently disabled for future implementation) User manual Vers. 4.15 Air for receiver SI4735/32 _ ESP32_2.8/2.4/3.2 inch Display Page 6 Screens for choosing the STEP tuning pitch to be used for the FM - AM - SSB bands, with indication at the top of the current frequency. Click the button to use the tuning step indicated on it. User manual Vers. 4.15 Air for receiver SI4735/32 _ ESP32_2.8/2.4/3.2 inch Display Page 7 Bandwidth selection screens to use, for FM / AM / SSB, with indication at the top of the frequency and mode in current use. Press the button to use the filter indicated on it. User manual Vers. 4.15 Air for receiver SI4735/32 _ ESP32_2.8/2.4/3.2 inch Display Page 8 Indication of current frequency Key for total cancellation of the typed frequency CLEAR CANCEL button to not select the frequency entered, remaining on the current one Indication of the frequency entered; (us…

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ShenzhenBorunInternationalTradeCo., Ltd FederalCommunicationsCommission Authorizationand EvaluationDivision 7435OaklandMillsRoad Columbia,MD 21046 USA Date:08-14-2023 FCC ID: 2BCA4-ATS25 Ref. #1: AttestationStatementsPart 2.911(d)(5)(i) Filing ShenzhenBorunInternationalTradeCo., Ltd certifiesthat the equipmentfor which authorizationis soughtis not “covered” equipmentprohibitedfromreceivingan equipment authorizationpursuantto section2.903of the FCC rules. Ref. #2: AttestationStatementsPart 2.911(d)(5)(ii) Filing ShenzhenBorunInternationalTradeCo., Ltd certifiesthat,as of thedateof thefilingof theapplication,theapplicantis notidentifiedon theCoveredListas an entity producing“covered”equipment. Applicant:ShenzhenBorunInternationalTradeCo., Ltd Address:403, Building2, YoupinCulturalCreativePark,MeilongRoad,MinzhiStreet, LonghuaDistrict,ShenzhenCity, GuangdongProvince,China ContactPerson:SUN BO Tel.: 18681576952 Email:[email protected] Sincerely, Signature:

承 认 书 SPECIFICATION FOR APPROVAL 客 户 名 称 CUSTOMER NAME: 产 品 名 称 PRODUCT NAME: 2.4G -2dBi 客 户 料 号 CUSTOMER P/N: 电子料号 P/N: REV: A MANUFACTURER SIGNATURE CUSTOMER SIGNATURE CHECKED BY: AUDITOR BY: APPROVED BY: DATE: 2016-07-06 Shenzhen Borun International Trade Co., Ltd 403, Building 2, Youpin Cultural Creative Park, Meilong Road, Minzhi Street, Longhua District, Shenzhen City, Guangdong Province, China : 主要技术指标 Main technical specifications 频率范围 （MHZ） 2400-2500 Frequency Range (MHZ) 2400-2500 特性阻抗(Ω) 50 Impedance(Ω) 50 增益(dBi) 2.5 Gain(dBi) 2.5 输出电压 驻波比 ≦1.92 VSWR ≦1.92 最大功率 10W Admitted Power 10W 极化方式 垂直极化 Polarization Linear,Vertical 方向性 全向性 Radiation Omni-directional 连接方式 RP-SMA Connector Type RP-SMA 物理性能 Physical Properties 天线外套材料 TPEE Antenna cover TPEE 工作温度 -20°C~+70°C Operating Temp -20°C~+70°C 保存温度 -20°C~+70°C Storage Temp -20°C~+70°C Main technical parameters of the product Specification Table 方式 Type 天线 Antenna Dipole Antenna Dipole Antenna Dipole Antenna 2D、3DRaditation Pattern 2.4GHz Gain:2.11 dBi Efficiency:75.6 1% REPORT 2.45GHz Gain: 2.23dBi Efficiency: 78.45% 2.5GHz Gain: 2.50dBi Efficiency: 79.32%

Shenzhen Borun International Trade Co., Ltd Declaration Letter of Model Difference Date: August 21, 2023 Tested Model Number: ATS25 max-Decoder Adding Model Number(s): ATS25 max All Adding Model Number(s) is/are same electrically identical as Tested Model Number. Only model name are different for market purpose. Yours Sincerely, Applicant: Shenzhen Borun International Trade Co., Ltd Address: 403, Building 2, Youpin Cultural Creative Park, Meilong Road, Minzhi Street, Longhua District, Shenzhen City, Guangdong Province, China Contact Person: SUN BO Tel.: 18681576952 Email: [email protected] Signature:

ShenzhenBorunInternationalTradeCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:August16,2023 Subject;RequestforConfidentiality FCCID: 2BCA4-ATS25 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name: Title:ProductManager

EffectiveDate:April2,2020QSF7.6.4-8–AgentAuthorizationLetterTemplatePage1of1 RevisionDate:Revision:0 ShenzhenBorunInternationalTradeCo.,Ltd Date：08-14-2023 ProductModelNumber:ATS25max-Decoder,ATS25max FCCID：2BCA4-ATS25 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C.CanadaV5J5K5to actonourbehalfonallmattersconcerningtheabovenamedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatORGANIZATION.isallowedtoforwardallinformationrelatedtotheapproval projecttotheappliedcertificationbodyandtothenotificationentitiesandtodiscussanyissues concerningtheapprovalapplication.AnyandallactscarriedoutbyORGANIZATION.onour behalfshallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite Title:ProductManager Email:[email protected] Onbehalfof:ShenzhenBorunInternationalTradeCo.,Ltd

Appendix - External Model: FM ANT Page 1 of 6 Report No.: xternal Photographs of EUT Constructional Details Model: ATS25 max-Decoder Photo 1 Photo 2 BT/Wi-Fi ANT Report No.: LGT23G112 etails Page 2 of 6 Report No.: Photo 3 Photo 4 Report No.: LGT23G112 Page 3 of 6 Report No.: Photo 5 Photo 6 Report No.: LGT23G112 Page 4 of 6 Report No.: Photo 7 Photo 8 Report No.: LGT23G112 Page 5 of 6 Report No.: Photo 9 Photo 10 Report No.: LGT23G112 Page 6 of 6 Report No.: Photo 11 Photo 12 Report No.: LGT23G112

FCC ID Label FCC ID: 2BCA4-ATS25

Page 1 of 6 Report No.: LGT23G112 Appendix - Internal Photographs of EUT Constructional Details Model: ATS25 max-Decoder Photo 1 Photo 2 Page 2 of 6 Report No.: LGT23G112 Photo 3 Photo 4 Page 3 of 6 Report No.: LGT23G112 Photo 5 Photo 6 Page 4 of 6 Report No.: LGT23G112 Photo 7 Photo 8 Page 5 of 6 Report No.: LGT23G112 Photo 9 Photo 10 Page 6 of 6 Report No.: LGT23G112 Photo 11

RF Exposure Report FCC ID: 2BCA4-ATS25 RF Exposure Measurement The limit for Maximum Permissible Exposure (MPE) specified in FCC 1.1310 is followed. The gain of the antennas used in the product is extracted from the Antenna data sheets provided and also the maximum total power input to the antenna is measured. Through the Friis transmission formula and the maximum gain of the antenna, we can calculate the distance, away from the product, where the limit of MPE is reached. Although the Friis Transmission formula is far field assumption, the calculated result of that is an over-prediction for near field power density. It is taken as worst case to specify the safety range. RF Exposure Limit According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environmental impact of the human exposure to radio-frequency (RF) radiation as specified in 1.1307 (b) Limits for Maximum Permissible Exposure (MPE) F= Frequency in MHz Friss Formula Friss Transmission Formula: Pd = (Pout * G) / (4*pi*r²) Where Pd = power density in mW/cm² Pout = output power to antenna in mW G = gain of antenna in linear scale Pi = 3.1416 R = Distance between observation point and the center of radiator in cm If we know the maximum gain of the antenna and the total output power to the antenna, through calculation, we will know MPE value at distance 20cm. EUT Operation condition EUT was enabled to transmit and receive at lowest, middle and highest channels. Classification The antenna of this product, under normal use condition, is at least 20cm away from the body of the user. Warning statement to the user for keeping at least 20cm or more separation distance from the antenna should be included in the User manual. So, this device is classified as Mobile device. Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm²) Limits for Occupational / controlled Exposures 300 - 1500 -- -- F/300 1500 – 100000 -- -- 5.0 Limits for General population / Uncontrolled Exposure 300 - 1500 -- -- F/1500 1500 – 100000 -- -- 1.0 Bluetooth+BLE Mode Bluetooth+BLE(1M PHY) Detector PEAK Ant Gain(dBi) 2.5 GFSK 4±1dBm π/4-DQPSK 6±1dBm 8DPSK 6±1dBm BLE1M 4±1dBm BLE2M 4±1dBm ANT Gain (G) Antenna A gain: 2.5dBi (gain of antenna in linear scale=1.778) GFSK1.77853.16230.001121 π/4-DQPSK1.77875.01190.001771 8DPSK1.77875.01190.001771 BLE1M1.77853.16230.001121 Power Density (mW/cm²) Limit (mW/cm²) ANT Gain(gain of antenna in linear scale) Protocol Output Power to Antenna (dBm) Output Power to Antenna (mW) 2.4G WIFI WORST CASE Mode 802.11b/g/n:2412-2462MHz 802.11n:2422-2452MHz Detector PEAK 802.11b ANT1=15.5±1dBm 802.11g ANT1=17.0±1dBm 802.11n20 ANT1=17.0±1dBm 802.11n40 ANT1=16.0±1dBm ANT Gain (G) Antenna number: 1 Antenna A gain: 2.5dBi (gain of antenna in linear scale=1.778) 2.4 G WiFi & BT can simultaneously transmission, maximum Power Density (S) is0.02522 (mW/ cm2) does not exceed Limit of Power Density (S) 1 (mW/ cm2). 802.11 b1.77816.544.66840.015811 802.11 g1.7781863.09570.022331 802.11 n201.7781863.09570.022331 802.11 n401.7781750.11870.017741 Power Density (mW/cm²) Limit (mW/cm²) ANT Gain(gain of antenna in linear scale) Protocol Output Power to Antenna (dBm) Output Power to Antenna (mW)

The test report is effective only with both signature and specialized stamp. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report only apply to the tested sample. Shenzhen LGT Test Service Co., Ltd. Tel: 0755-89668180 E-mail:[email protected] Web: www.lgt-cert.com Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China RF TEST REPORT Product Name: ATS25 Model Name: ATS25 max-Decoder,ATS25 max FCC ID: 2BCA4-ATS25 Issued For : Shenzhen Borun International Trade Co., Ltd 403, Building 2, Youpin Cultural Creative Park, Meilong Road, Minzhi Street, Longhua District, Shenzhen City, Guangdong Province, China Issued By : Shenzhen LGT Test Service Co., Ltd. Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China Report Number: LGT23G112RF02 Sample Received Date: Jul. 29, 2023 Date of Test: Jul. 29, 2023 – Aug. 11, 2023 Date of Issue: Aug. 11, 2023 Report No.: LGT23G112RF02 Pa ge 2 of 47 TEST REPORT CERTIFICATION Applicant: Shenzhen Borun International Trade Co., Ltd Address: 403, Building 2, Youpin Cultural Creative Park, Meilong Road, Minzhi Street, Longhua District, Shenzhen City, Guangdong Province, China Manufacturer: Shenzhen Borun International Trade Co., Ltd Address: 403, Building 2, Youpin Cultural Creative Park, Meilong Road, Minzhi Street, Longhua District, Shenzhen City, Guangdong Province, China Product Name: ATS25 Trademark: N/A Model Name: ATS25 max-Decoder, ATS25 max Sample Status: Normal APPLICABLE STANDARDS STANDARD TEST RESULTS FCC Part 15.247, Subpart C ANSI C63.10-2013 PASS Prepared by: Approved by: Zane Shan Vita Li Engineer Technical Director Report No.: LGT23G112RF02 Pa ge 3 of 47 Table of Contents Page 1. SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF THE EUT 8 2.2 DESCRIPTION OF THE TEST MODES 9 2.3 TEST SOFTWARE AND POWER LEVEL 9 2.4 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 10 2.5 EQUIPMENTS LIST 11 3. EMC EMISSION TEST 11 3.1 CONDUCTED EMISSION MEASUREMENT 12 3.2 TEST PROCEDURE 13 3.3 TEST SETUP 13 3.4 EUT OPERATING CONDITIONS 13 3.5 TEST RESULTS 14 4. RADIATED EMISSION MEASUREMENT 16 4.2 TEST PROCEDURE 18 4.3 TEST SETUP 19 4.4 EUT OPERATING CONDITIONS 19 4.5 FIELD STRENGTH CALCULATION 20 4.6 TEST RESULTS 21 4.7 TEST RESULTS (BAND EDGE REQUIREMENTS) 26 5. CONDUCTED SPURIOUS & BAND EDGE EMISSION 28 5.1 LIMIT 28 5.2 TEST PROCEDURE 28 5.3 TEST SETUP 28 5.4 EUT OPERATION CONDITIONS 28 5.5 TEST RESULTS 28 6. POWER SPECTRAL DENSITY TEST 29 6.1 LIMIT 29 6.2 TEST PROCEDURE 29 6.3 TEST SETUP 29 6.4 EUT OPERATION CONDITIONS29 Report No.: LGT23G112RF02 Pa ge 4 of 47 Table of Contents Page 6.5 TEST RESULTS 29 7. BANDWIDTH TEST 30 7.1 LIMIT 30 7.2 TEST PROCEDURE 30 7.3 TEST SETUP 30 7.4 EUT OPERATION CONDITIONS 30 7.5 TEST RESULTS 30 8. PEAK OUTPUT POWER TEST 31 8.1 LIMIT 31 8.2 TEST PROCEDURE 31 8.3 TEST SETUP 31 8.4 EUT OPERATION CONDITIONS 31 8.5 TEST RESULTS 31 9. ANTENNA REQUIREMENT 32 9.1 STANDARD REQUIREMENT 32 9.2 EUT ANTENNA 32 APPENDIX I:TEST RESULTS 33 DUTY CYCLE 33 MAXIMUM PEAK CONDUCTED OUTPUT POWER 35 -6DB BANDWIDTH 36 OCCUPIED CHANNEL BANDWIDTH 38 MAXIMUM POWER SPECTRAL DENSITY LEVEL 40 BAND EDGE 42 CONDUCTED RF SPURIOUS EMISSION 45 Report No.: LGT23G112RF02 Pa ge 5 of 47 Revision History Rev. Issue Date Contents 00 Aug. 11, 2023 Initial Issue Report No.: LGT23G112RF02 Pa ge 6 of 47 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: KDB 558074 D01 15.247 Meas Guidance v05r02. FCC Part 15.247, Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS -- 15.247 (a)(2) 6dB Bandwidth PASS -- 15.247 (b)(3) Output Power PASS -- 15.209 Radiated Spurious Emission PASS -- 15.247 (d) Conducted Spurious & Band Edge Emission PASS -- 15.247 (e) Power Spectral Density PASS -- 15.205 Restricted Band Edge Emission PASS -- Part 15.247(d)/ Part 15.209(a) Band Edge Emission PASS -- 15.203 Antenna Requirement PASS -- NOTE: (1) ‘N/A’ denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2013. Report No.: LGT23G112RF02 Pa ge 7 of 47 1.1 TEST FACTORY Company Name: Shenzhen LGT Test Service Co., Ltd. Address: Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China Accreditation Certificate A2LA Certificate No.: 6727.01 FCC Registration No.: 746540 CAB ID: CN0136 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF output power, conducted ±0.68dB 2 Unwanted Emissions, conducted ±2.988dB 3 All emissions, radiated 9K-30MHz ±2.84dB 4 All emissions, radiated 30M-1GHz ±4.39dB 5 All emissions, radiated 1G-6GHz ±5.10dB 6 All emissions, radiated>6G ±5.48dB 7 Conducted Emission (9KHz-150KHz) ±2.79dB 8 Conducted Emission (150KHz-30MHz) ±2.80dB Note: The measurement uncertainty is not included in the test result. Report No.: LGT23G112RF02 Pa ge 8 of 47 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF THE EUT Product Name: ATS25 Trademark: N/A Model Name: ATS25 max-Decoder Series Model: ATS25 max Model Difference: They are different only for the model name. Product Description: Operation Frequency: 2402~2480 MHz Modulation Type: GFSK Radio Technology: BLE Bluetooth Configuration: BLE (1M PHY) Number Of Channel: 40 Antenna Designation: Dipole Antenna Antenna Gain (dBi) 2.5 Channel List: Please refer to the Note 3. Rating: Input: DC 5V, 1.2A Battery: Capacity: 3000mAh Rated Voltage: 3.7V Hardware Version: 1.0 Software Version: V4.16 Connecting I/O Port(s): Pl…

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The test report is effective only with both signature and specialized stamp. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report only apply to the tested sample. Shenzhen LGT Test Service Co., Ltd. Tel: 0755-89668180 E-mail:[email protected] Web: www.lgt-cert.com Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China RF TEST REPORT Product Name: ATS25 Model Name: ATS25 max-DecoderATS25 max FCC ID: 2BCA4-ATS25 Issued For : Shenzhen Borun International Trade Co., Ltd 403, Building 2, Youpin Cultural Creative Park, Meilong Road, Minzhi Street, Longhua District, Shenzhen City, Guangdong Province, China Issued By : Shenzhen LGT Test Service Co., Ltd. Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China Report Number: LGT23G112RF03 Sample Received Date: Jul. 29, 2023 Date of Test: Jul. 29, 2023 – Aug. 11, 2023 Date of Issue: Aug. 11, 2023 Report No.: LGT23G112RF03 Page 2 of 70 TEST REPORT CERTIFICATION Applicant: Shenzhen Borun International Trade Co., Ltd Address: 403, Building 2, Youpin Cultural Creative Park, Meilong Road, Minzhi Street, Longhua District, Shenzhen City, Guangdong Province, China Manufacturer: Shenzhen Borun International Trade Co., Ltd Address: 403, Building 2, Youpin Cultural Creative Park, Meilong Road, Minzhi Street, Longhua District, Shenzhen City, Guangdong Province, China Product Name: ATS25 Trademark: N/A Model Name: ATS25 max-Decoder, ATS25 max Sample Status: Normal APPLICABLE STANDARDS STANDARD TEST RESULTS FCC Part 15.247, Subpart C ANSI C63.10-2013 PASS Prepared by: Approved by: Zane Shan Vita Li Engineer Technical Director Report No.: LGT23G112RF03 Page 3 of 70 Table of Contents Page 1. SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF THE EUT 8 2.2 DESCRIPTION OF THE TEST MODES 10 2.3 TEST SOFTWARE AND POWER LEVEL 11 2.4 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 11 2.5 EQUIPMENTS LIST FOR ALL TEST ITEMS 12 3. EMC EMISSION TEST 13 3.1 CONDUCTED EMISSION MEASUREMENT 13 3.2 RADIATED EMISSION MEASUREMENT 17 4. CONDUCTED SPURIOUS & BAND EDGE EMISSION 29 4.1 LIMIT 29 4.2 TEST PROCEDURE 29 4.3 DEVIATION FROM STANDARD 29 4.4 TEST SETUP 29 4.5 EUT OPERATION CONDITIONS 29 4.6 TEST RESULTS 29 5. POWER SPECTRAL DENSITY TEST 30 5.1 LIMIT 30 5.2 TEST PROCEDURE 30 5.3 DEVIATION FROM STANDARD 30 5.4 TEST SETUP 30 5.5 EUT OPERATION CONDITIONS 30 5.6 TEST RESULTS 30 6. BANDWIDTH TEST 31 6.1 LIMIT 31 6.2 TEST PROCEDURE 31 6.3 DEVIATION FROM STANDARD 31 6.4 TEST SETUP 31 6.5 EUT OPERATION CONDITIONS 31 6.6 TEST RESULTS 31 Report No.: LGT23G112RF03 Page 4 of 70 Table of Contents Page 7. PEAK OUTPUT POWER TEST 32 7.1 LIMIT 32 7.2 TEST PROCEDURE 32 7.3 DEVIATION FROM STANDARD 32 7.4 TEST SETUP 32 7.5 EUT OPERATION CONDITIONS 32 7.6 TEST RESULTS 32 8. ANTENNA REQUIREMENT 33 8.1 STANDARD REQUIREMENT 33 8.2 EUT ANTENNA 33 APPENDIX I:TEST RESULTS 34 DUTY CYCLE 34 MAXIMUM PEAK CONDUCTED OUTPUT POWER 39 -6DB BANDWIDTH 40 OCCUPIED CHANNEL BANDWIDTH 45 MAXIMUM POWER SPECTRAL DENSITY LEVEL 50 BAND EDGE 55 CONDUCTED RF SPURIOUS EMISSION 62 Report No.: LGT23G112RF03 Page 5 of 70 Revision History Rev. Issue Date Contents 00 Aug. 11, 2023 Initial Issue Report No.: LGT23G112RF03 Page 6 of 70 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: KDB 558074 D01 15.247 Meas Guidance v05r02. FCC Part 15.247,Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS -- 15.247 (a)(2) 6dB Bandwidth PASS -- 15.247 (b)(3) Output Power PASS -- 15.209 Radiated Spurious Emission PASS -- 15.247 (d) Conducted Spurious & Band Edge Emission PASS -- 15.247 (e) Power Spectral Density PASS -- 15.205 Restricted Band Edge Emission PASS -- Part 15.247(d)/ Part 15.209(a) Band Edge Emission PASS -- 15.203 Antenna Requirement PASS -- NOTE: (1) ‘N/A’ denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2013. Report No.: LGT23G112RF03 Page 7 of 70 1.1 TEST FACTORY Company Name: Shenzhen LGT Test Service Co., Ltd. Address: Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China Accreditation Certificate A2LA Certificate No.: 6727.01 FCC Registration No.: 746540 CAB ID: CN0136 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF Output Power, Conducted Ʋ0.71dB 2 Power Spectral Density, Conducted Ʋ1.57 dB 3 Unwanted Emission, Conducted Ʋ0.63dB 4 Conducted emission Ʋ2.80dB 5 All Emissions, Radiated (0.009-30MHz) Ʋ2.16dB 6 All Emissions, Radiated (30MHz-1GHz) Ʋ4.40dB 7 All Emissions, Radiated (1GHz-18GHz) Ʋ5.49dB Note: The measurement uncertainty is not included in the test result. Report No.: LGT23G112RF03 Page 8 of 70 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF THE EUT Product Name: ATS25 Trademark: N/A Model Name: ATS25 max-Decoder Series Model: ATS25 max Model Difference: They are different only for the model name. Product Description: Operation Frequency: 802.11b/g/n(20MHz): 2412~2462 MHz 802.11n (40MHz):2422~2452MHz Modulation Type: 802.11b(DSSS):CCK,DQPSK,DBPSK 802.11g(OFDM):BPSK,QPSK,16-QAM,64-QAM 802.11n(OFDM):BPSK,QPSK,16-QAM,64-QAM Number of Channel: 802.11b/g/n(HT20): 11CH 802.11n(HT40): 7CH Antenna Designation: Dipole Antenna. Antenna Gain(dBi): 2.5dBi Channel List: Please refer to the Note 2. Rating: Input: DC 5V, 1.2A Battery: Capacity: 3000mAh Rated Voltage: 3.7V Hardware Version: 1.0 Software Version: V4.16 Connecting I/O Port(s): Please refer to the Note 1. No…

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Page 1 of 2 Report No.: LGT23G112 Appendix - Test Setup photos Set-up for Radiated Spurious Emission, Below 1GHz Set-up for Radiated Spurious Emission, Above 1GHz Page 2 of 2 Report No.: LGT23G112 Set-up for Conducted Emission