2BLVU-ECS02Coffee electronic scale
YUEJI TECHNOLOGY (SHENZHEN) LTD.
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Application Details
- Equipment Class
- DTS - Digital Transmission System
- Date of Grant
- Dec 23, 2025
- Application Purpose
- Original Equipment
- Equipment Note
- Coffee electronic scale
- Frequency Range
- 2402.00000000 - 2480.00000000
- Country
- China
Documents & Files
Document Text
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
Users Manual
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Attestation Statements
Covered Equipment Attestation Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2BLVU-ECS02 ECS02 We, Applicant Company Name: YUEJI TECHNOLOGY (SHENZHEN) LTD. Address: Room 402, Building D, North Zone, Qianhai Shenzhen-Hong Kong Dream Factory, Nanshan District, Shenzhen, Guangdong, China Phone: 17666299282 certify that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. This includes the cybersecurity and anti-virus software produced or provided by Kaspersky Lab, Inc. or any of it’s successors and assignees. We certify that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date: 2025-12-11 Printed Name of Signee: Yangyu Huang/Manager Company: YUEJI TECHNOLOGY (SHENZHEN) LTD. Address: Room 402, Building D, North Zone, Qianhai Shenzhen-Hong Kong Dream Factory, Nanshan District, Shenzhen, Guangdong, China Phone: 17666299282 Fax: Email: [email protected]
Cover Letter(s)
Confidentiality Request Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern 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 request confidentiality for the documentation of the following products: FCC ID Model name 2BLVU-ECS02 ECS02 For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics • the Parts Lists • the Tune Up Information The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date: 2025-12-11 Printed Name of Signee: Yangyu Huang/Manager Company: YUEJI TECHNOLOGY (SHENZHEN) LTD. Address: Room 402, Building D, North Zone, Qianhai Shenzhen-Hong Kong Dream Factory, Nanshan District, Shenzhen, Guangdong, China Phone: 17666299282 Fax: Email: [email protected]
External Photos
DNT2511190516R13256-P01Page: 1 of 4 PHOTOGRAPHSOFEUT FCCID:2BLVU-ECS02 ExternalPhotos ExternalPhotos DNT2511190516R13256-P01Page: 2 of 4 ExternalPhotos ExternalPhotos DNT2511190516R13256-P01Page: 3 of 4 ExternalPhotos ExternalPhotos DNT2511190516R13256-P01Page: 4 of 4 ExternalPhotos --END--
ID Label/Location Info
FCCID:2BLVU-ECS02
Internal Photos
DNT2511190516R13256-P01Page: 1 of 3 PHOTOGRAPHSOFEUT FCCID:2BLVU-ECS02 InternalPhotos InternalPhotos DNT2511190516R13256-P01Page: 2 of 3 InternalPhotos InternalPhotos DNT2511190516R13256-P01Page: 3 of 3 InternalPhotos --END--
RF Exposure Info
DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] RFExposureEvaluationReport ApplicationNo.: DNT2511190516R13256-15420 Applicant: YUEJITECHNOLOGY(SHENZHEN)LTD. AddressofApplicant: Room402,BuildingD,NorthZone,QianhaiShenzhen-HongKongDream Factory,NanshanDistrict,Shenzhen,Guangdong,China EUTDescription: Coffeeelectronicscale ModelNo.: ECS02 FCCID: 2BLVU-ECS02 Powersupply: Input:DC5V;DC3.7Vfromrechargeablelithium-ionbattery TradeMark: MANTABREW Standards: 47CFRPart2.1093 FCCKDB447498D04v01 DateofReceipt: 2025/11/19 DateofTest: 2025/11/19to2025/11/26 DateofIssue: 2025/12/05 TestResult:PASS PreparedBy:(TestingEngineer) ReviewedBy:(ProjectEngineer) ApprovedBy:(Manager) Note:Ifthereisanyobjectiontotheresultsinthisreport,pleasesubmitawritteninquirytothecompanywithin15daysfromthedateof receivingthereport.Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,andisissuedbythecompanyinaccordance withtherequirementsofthe"ConditionsofIssuanceofTestReports"printedintheattachedpage.Unlessotherwisestated,theresults presentedinthisreportonlyapplytothesamplestestedthistime.Partialreproductionofthisreportisnotallowedunlessapprovedbythe companyinwriting. ReportNo.:DNT2511190516R13256-15420Date：December05,2025Page： 2 / 8 DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] ReportReviseRecord ReportVersionReviseTimeIssuedDateValidVersionNotes V1.0/Dec.05,2025ValidOriginalReport ReportNo.:DNT2511190516R13256-15420Date：December05,2025Page： 3 / 8 DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] Contents RFEXPOSUREEVALUATIONREPORT.............................................................................................................................................1 1GENERALINFORMATION..................................................................................................................................................................4 1.1TESTLOCATION.................................................................................................................................................................................4 1.2GENERALDESCRIPTIONOFEUT.....................................................................................................................................................4 1.3TESTFACILITY...................................................................................................................................................................................5 1.4MEASUREMENTUNCERTAINTY(95%CONFIDENCELEVELS,K=2)....................................................................................................5 2RFEXPOSUREEVALUATION............................................................................................................................................................6 2.1RFEXPOSURECOMPLIANCEREQUIREMENT..................................................................................................................................6 ReportNo.:DNT2511190516R13256-15420Date：December05,2025Page： 4 / 8 DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] 1GeneralInformation 1.1TestLocation Company:DongguanDNTestingCo.,Ltd Address: No.1,WestFourthStreet,SouthXinfaRoad,WushaLiwu,Chang＇anTown, DongguanCity,GuangdongP.R.China Testengineer:WayneLin 1.2GeneralDescriptionofEUT Manufacturer: MarkWorkshop. AddressofManufacturer: BuildingQ,2ndand3rdFloors,ShaSiHigh-TechPark,ShaSiCommunity, ShajingSubdistrict,Bao'anDistrictShenzhen,GuangdongProvincePR. EUTDescription: Coffeeelectronicscale ModelNo.: ECS02 AdditionalModel(s):/ PowerSupply:Input:DC5V;DC3.7Vfromrechargeablelithium-ionbattery TradeMark:MANTABREW HardwareVersion:V8 SoftwareVersion:V8 ChipType: XCL788 Serialnumber PR2511190516R13256 SampleType:PortableDevice,Module,MobileDevice AntennaType: External,Integrated AntennaPorts: Ant1,Ant2,Ant3 AntennaGain: Providedbyapplicant -0.58dBi Note: *Sincetheabovedataand/orinformationisprovidedbytheclientrelevantresultsorconclusionsofthis reportareonlymadeforthesedataand/orinformation,DNTisnotresponsiblefortheauthenticity,integrity andresultsofthedataandinformationand/orthevalidityoftheconclusion. ReportNo.:DNT2511190516R13256-15420Date：December05,2025Page： 5 / 8 DongguanDNTestingCo.,Ltd. Add:No.1,WestFourthStreet,XingfaSouthRoad,WushaCommunity,Chang'anTown,DongguanCity,GuangdongP.R.China Web:www.dn-testing.comTel:+86-769-88087383E-mail:[email protected] 1.3TestFacility Thetestfacilityisrecognized,certified,oraccreditedbythefollowingorganizations: LabA: •FCC,USA DesignationNumber:CN1348 •A2LA(CertificateNo.7050.01) DONGGUANDNTESTINGCO.,LTD.isaccreditedbytheAmericanAssociationforLaboratory Accreditation(A2LA).CertificateNo.7050.01. •Innovation,ScienceandEconomicDevelopmentCanada DONGGUANDNTESTINGCO.,LTD.EMCLaboratoryhasbeenrecognizedbyISEDasanaccreditedtesting laboratory.CABidentifierisCN0149. IC#:30755. . 1.4MeasurementUncertainty(95%confidencelevels,k=2) No.ItemMeasurementUncertainty 1 20dBEmissionBandwidth±0.0196% 2 CarrierFrequencySeparation±1.9% 3 NumberofHoppingChannel±1.9% 4 TimeofOccupancy±0.028% 5 MaxPeakConductedOutputPower±0.743dB 6 Band-edgeSpuriousEmission±1.328dB 7 ConductedRFSpuriousEmission 9KHz-1GHz:±0.746dB 1GHz-26GHz:±1.328dB No.ItemMeasurementUncertainty 1ConductionEmission±3.0dB(150kHzto30MHz) 2RadiatedEmission ±4.8dB(Below1GHz) ±4.8dB(1GHzto6GHz) ±4.5dB(6GHzto18GHz) ±5.02dB(Above18GHz) ReportNo.:DNT2511190516R13256-15420Date：December05,2025Page： 6 / 8 …
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Test Report
Inverted F Antenna Specification Summary ITEMANT SPEC Model Name 2.4G ANT Center Frequency HorizontalVertical 2400MHz 2450MHz2500MHz2400MHz2450MHz 2500MHz -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain -0.58dBi PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length 38.20mm Manufacture Antenna Photo YUEJI TECHNOLOGY (SHENZHEN) LTD. Add: Room 402, Building D, North Zone, Qianhai Shenzhen-Hong Kong Dream Factory, Nanshan District, Shenzhen, Guangdong, China Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Frequency (MHz) Gain(dBi) MaxMinAvg 2400-1.26174-30.0801-7.18716 2450-0.765802-36.5604-7.48023 2500-0.585582-22.0315-6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Frequency (MHz) Gain(dBi) MaxMinAvg 2400-5.2537-22.1424-12.4294 2450-2.4652-24.5837-10.4702 2500-1.86120-29.5214-9.20432
Test Report
Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] FCC Test Report Application No.: DNT2511190516R13256-15421 Applicant: YUEJI TECHNOLOGY (SHENZHEN) LTD. Address of Applicant: Room 402, Building D, North Zone, Qianhai Shenzhen-Hong Kong Dream Factory, Nanshan District, Shenzhen, Guangdong, China EUT Description: Coffee electronic scale Model No.: ECS02 FCC ID: 2BLVU-ECS02 Power Supply: Input:DC 5V; DC 3.7V from rechargeable lithium-ion battery Trade Mark: MANTABREW Standards: 47 CFR Part 2, Subpart J 47 CFR Part 15, Subpart C ANSI C63.10: 2020 Date of Receipt: 2025/11/19 Date of Test: 2025/11/19 to 2025/11/26 Date of Issue: 2025/12/05 Test Result:PASS Prepared By:(Testing Engineer) Reviewed By:(Project Engineer) Approved By:(Manager) Note: If there is any objection to the results in this report, please submit a written inquiry to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp, and is issued by the company in accordance with the requirements of the "Conditions of Issuance of Test Reports" printed in the attached page. Unless otherwise stated, the results presented in this report only apply to the samples tested this time. Partial reproduction of this report is not allowed unless approved by the company in writing. Report No.: DNT2511190516R13256-15421Date：December 05, 2025Page： 2 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Report Revise Record Report VersionRevise TimeIssued DateValid VersionNotes V1.0/Dec.05, 2025ValidOriginal Report Report No.: DNT2511190516R13256-15421Date：December 05, 2025Page： 3 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] 1 Test Summary Test ItemTest RequirementTest MethodTest ResultResult Antenna Requirement 15.203/247(b)--Clause 3.1PASS Duty Cycle----Clause 3.2PASS DTS (6 dB) Bandwidth15.247 (a)(2)ANSI C63.10: 2020Clause 3.3PASS Conducted Output Power15.247 (b)(3)ANSI C63.10: 2020Clause 3.4PASS Power Spectral Density15.247 (e)ANSI C63.10: 2020Clause 3.5PASS Band-edge for RF Conducted Emissions 15.247(d)ANSI C63.10: 2020Clause 3.6PASS RF Conducted Spurious Emissions 15.247(d)ANSI C63.10: 2020Clause 3.7PASS Radiated Spurious Emissions15.247(d);15.205/15.209ANSI C63.10: 2020Clause 3.8PASS Restricted bands around fundamental frequency (Radiated Emission) 15.247(d);15.205/15.209ANSI C63.10: 2020Clause 3.9PASS AC Power Line Conducted Emission 15.207ANSI C63.10: 2020Clause 3.10PASS Note: 1. “N/A” denotes test is not applicable in this test report. Report No.: DNT2511190516R13256-15421Date：December 05, 2025Page： 4 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Contents 1 Test Summary..................................................................................................................................................................3 2 General Information..........................................................................................................................................................5 2.1 Test Location..........................................................................................................................................................5 2.2 General Description of EUT...................................................................................................................................5 2.3 Test Environment...................................................................................................................................................6 2.4 Channel List........................................................................................................................................................... 6 2.5 Power Setting of Test Software............................................................................................................................. 7 2.6 Assistant equipment used for test..........................................................................................................................7 2.7 Description of Support Units.................................................................................................................................. 7 2.8 Test Facility............................................................................................................................................................7 2.9 Equipment List....................................................................................................................................................... 8 2.10 Measurement Uncertainty (95% confidence levels, k=2).................................................................................. 10 3 Test results and Measurement Data..............................................................................................................................11 3.1 Antenna Requirement..........................................................................................................................................11 3.2 Duty Cycle............................................................................................................................................................12 3.3 DTS (6 dB) Bandwidth......................................................................................................................…
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Test Report
Report No.: DNT2511190516R13256-15421Date：December 05, 2025Page： 44 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 BLE_2M_Ant1_2480 Report No.: DNT2511190516R13256-15421Date：December 05, 2025Page： 45 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Appendix E: Band edge measurements Test Result TestModeAntennaChNameFreq(MHz)RefLevel[dBm]Result[dBm]Limit[dBm]Verdict BLE_1MAnt1 Low2402-0.45-46.98≤-20.45PASS High2480-0.67-46.56≤-20.67PASS BLE_2MAnt1 Low2402-1.56-30.68≤-21.56PASS High2480-1.76-46.78≤-21.76PASS Report No.: DNT2511190516R13256-15421Date：December 05, 2025Page： 46 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Test Graphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 BLE_2M_Ant1_Low_2402 Report No.: DNT2511190516R13256-15421Date：December 05, 2025Page： 47 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_2M_Ant1_High_2480 Report No.: DNT2511190516R13256-15421Date：December 05, 2025Page： 48 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Appendix F: Conducted Spurious Emission Test Result TestModeAntennaFreq(MHz) FreqRange [MHz] RefLevel [dBm] Result[dBm]Limit[dBm]Verdict BLE_1MAnt1 2402 Reference-0.82-0.82---PASS 30~1000-0.82-59.87≤-20.82PASS 1000~26500-0.82-39.26≤-20.82PASS 2440 Reference-1.56-1.56---PASS 30~1000-1.56-59≤-21.56PASS 1000~26500-1.56-41.78≤-21.56PASS 2480 Reference-1.29-1.29---PASS 30~1000-1.29-59.03≤-21.29PASS 1000~26500-1.29-41.57≤-21.29PASS BLE_2MAnt1 2402 Reference-2.33-2.33---PASS 30~1000-2.33-59.32≤-22.33PASS 1000~26500-2.33-39.95≤-22.33PASS 2440 Reference-3.46-3.46---PASS 30~1000-3.46-58.85≤-23.46PASS 1000~26500-3.46-42.42≤-23.46PASS 2480 Reference-3.01-3.01---PASS 30~1000-3.01-59.39≤-23.01PASS 1000~26500-3.01-44.51≤-23.01PASS Report No.: DNT2511190516R13256-15421Date：December 05, 2025Page： 49 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] Test Graphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 Report No.: DNT2511190516R13256-15421Date：December 05, 2025Page： 50 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 BLE_1M_Ant1_2440_1000~26500 Report No.: DNT2511190516R13256-15421Date：December 05, 2025Page： 51 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_1M_Ant1_2480_0~Reference BLE_1M_Ant1_2480_30~1000 BLE_1M_Ant1_2480_1000~26500 Report No.: DNT2511190516R13256-15421Date：December 05, 2025Page： 52 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_2M_Ant1_2402_0~Reference BLE_2M_Ant1_2402_30~1000 BLE_2M_Ant1_2402_1000~26500 Report No.: DNT2511190516R13256-15421Date：December 05, 2025Page： 53 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_2M_Ant1_2440_0~Reference BLE_2M_Ant1_2440_30~1000 BLE_2M_Ant1_2440_1000~26500 Report No.: DNT2511190516R13256-15421Date：December 05, 2025Page： 54 / 54 Dongguan DN Testing Co., Ltd. Add: No. 1, West Fourth Street, Xingfa South Road, Wusha Community, Chang 'an Town, Dongguan City, Guangdong P.R.China Web: www.dn-testing.comTel:+86-769-88087383E-mail: [email protected] BLE_2M_Ant1_2480_0~Reference BLE_2M_Ant1_2480_30~1000 BLE_2M_Ant1_2480_1000~26500 The End Report
Test Setup Photos
DNT2511190516R13256-P01Page: 1 of 3 PHOTOGRAPHSOFEUT FCCID:2BLVU-ECS02 AntennaTerminalTestView DNT2511190516R13256-P01Page: 2 of 3 ConducedEmissionTestView RadiatedEmissionTestView|(Below1G) DNT2511190516R13256-P01Page: 3 of 3 RadiatedEmissionTestView|(Above1G) --END--
Contact Information
Applicant
Yangyu Huang
[email protected]Fax: 17666299282
Technical Contact
Test Firm
Dongguan DN Testing Co., Ltd.Joise Yang
Technical Specifications
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.40 GHz - 2.48 GHz | 1.30 mW |