Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
Rev2/17/2023 SeeedTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:March24,2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:Z4T-T2000B SeeedTechnologyCo.,Ltd.(“theapplicant”)certifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. SeeedTechnologyCo.,Ltd.(“theapplicant”)certifiesthattheequipmentforwhichauthorizationis soughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc. oranyofitssuccessorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyof itssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB 986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, Signature: Printedname:AlbertMiao
Rep ort No. : EED32S80401306Page1 of 7 RF ExposureEvaluationReport Product:SenseCAPAssetTrackerT2000-B Trademark:SeeedStudio Model/Typereference:SenseCAPAssetTrackerT2000-B SerialNumber:N/A ReportNumber:EED32S80401306 FCC ID:Z4T-T2000B Date of Issue:Apr, 13, 2026 Test Standards: 47 CFR Part 1.1307 47 CFR Part 1.13 10 47 CFR Part 2.1091 KDB447498D04 InterimGeneralRF ExposureGuidancev01 Test result:PASS Preparedfor: SeeedTechnologyCo.,Ltd 9F,BuildingG3,TCLInternationalE city,ShuguangCommunity,Xili street,Nanshan,Shenzhen,GuangdongProvince,P.R.C Preparedby: CentreTestingInternationalGroupCo., Ltd. HongweiIndustrialPark, Zone 70, Bao ’an District, Shenzhen,Guangdong,China TEL: +86-755-33683668 FAX: +86-755-3368 3385 Compiledby:Reviewedby: Win WeiKevenTan Approvedby:Date:Apr, 13, 2026 AaronMa CheckNo.:8305020326 Rep ort No. : EED32S80401306Page2 of 7 1 Contents Page 1 CONTENTS........................................................................................................................................................................2 2 GENERALINFORMATION..............................................................................................................................................3 2.1 CLIENTINFORMATION...................................................................................................................................................3 2.2 GENERALDESCRIPTIONOFEUT ...................................................................................................................................3 2.3 PRODUCTSPECIFICATIONSUBJECTIVETO THIS STANDARD...........................................................................................3 2.4 TESTLOCATION.............................................................................................................................................................4 2.5 DEVIATIONFROMSTANDARDS......................................................................................................................................4 2.6 ABNORMALITIESFROMSTANDARDCONDITIONS..........................................................................................................4 2.7 OTHERINFORMATIONREQUESTEDBY THECUSTOMER................................................................................................4 3 SAR EVALUATION...........................................................................................................................................................5 3.1 RF EXPOSURECOMPLIANCEREQUIREMENT.................................................................................................................5 3.1.1 Limits....................................................................................................................................................................5 3.1.2 T est Procedure....................................................................................................................................................5 3.1.3 EUT RF ExposureEvaluation..........................................................................................................................6 Report No. : EED32S80401306Page 3 of 7 2 General Information 2.1 Client Information Applicant: Seeed Technology Co.,Ltd Address of Applicant: 9F,Building G3,TCL International E city,Shuguang Community,Xili street,Nanshan,Shenzhen, Guangdong Province, P.R.C Manufacturer: Seeed Technology Co.,Ltd Address of Manufacturer: 9F,Building G3,TCL International E city,Shuguang Community,Xili street,Nanshan,Shenzhen, Guangdong Province, P.R.C Factory: Shenzhen Xinxian Technology Co.,Limited. Address of Factory: 5th Floor,102 first Floor,Building B17,HengfengIndustrial town No.739 Zhoushi Road,Hangcheng Street,Bao'an District,Shenzhen 2.2 General Description of EUT Product Name:SenseCAP Asset Tracker T2000-B Model No.(EUT): SenseCAP Asset Tracker T2000-B Trade Mark: Seeed Studio 2.3Product Specification subjective to this standard Frequency Range: BLE: 2402MHz~2480MHz LR-DTS 1.5235MHz Bandwidth: 903-914.2MHz LoRa(DTS) 500KHz Bandwidth: 903-914.2MHz LoRa(FHSS) 125KHz Bandwidth: 902.3-914.9MHz SubG CSS 500KHz Bandwidth: 902.5-927.3MHz Modulation Type: BLE: GFSK 900MHz: LR-DTS/LoRa/FSK Test Power Grade:Default Test Software of EUT:MobaXterm_Personal_22.1.exe Antenna Type: FPC antenna Antenna Gain:BLE: 1.24dBi 900MHz: -4.56 dBi Power Supply:Battery:DC 3.6V Sample Received Date:Mar. 02, 2026 Sample tested Date:Mar. 02, 2026 to Apr. 09, 2026 Rep ort No. : EED32S80401306Page4 of 7 2.4 Test Location All testswereperformedat: CentreTestingInternationalGroupCo., Ltd HongweiIndustrialPark,Zone70, Bao'anDistrict,Shenzhen,Guangdong,China Telephone:+86 (0) 755 33683668Fax:+86(0) 755 33683385 No testsweresub-contracted. FCCDesignationNo.: CN1164,Test Firm RegistrationNo.: 260439 2.5 Deviationfrom Standards None. 2.6 Abnormalitiesfrom StandardConditions None. 2.7 OtherInformationRequestedby the Customer None. Rep ort No. : EED32S80401306Page5 of 7 3 SAR Evaluation 3.1 RF ExposureComplianceRequirement 3.1.1 Limits The SAR-basedexemptionformulaof § 1.1307(b)(3)(i)(B),repeatedhereas Formula(B.2),appliesfor singlefixed,mobile,and portableRF sourceswith availablemaximumtime-averagedpoweror effective radiatedpower(ERP),whicheveris greater,of less than or equalto the thresholdPth (mW). This methodshallonly be usedat separationdistancesfrom0.5 cm to 40 cm and at frequenciesfrom 0.3 GHz to 6 GHz (inclusive).Pth is givenby Formula and f is in GHz,d is the separationdistance(cm),and ERP20cmis per Formula(B.1). The 1 mW BlanketExemptionof § 1.1307(b)(3)(i)(A)appliesfor singlefixed,mobile,and portableRF sourceswith availablemaximumtime-averagedpowerof no morethan 1 mW,regardlessof separation distance. 3.1.2 Te st Procedure Softwareprovidedby clientenabledthe EUTto transmitand receivedata at lowest,middleand highest channelindividually. Report No. : EED32S80401306Page 6 of 7 3.1.3EUT RF Exposure Evaluation For Stand alone: Freq. (MHz) Estimation…
Text truncated - open the document above for the full version.
Report No. : EED32S80401304Page 1 of 20 Appendix: LoRa(FHSS) Report No. : EED32S80401304Page 2 of 20 Contents Appendix A: 20dB Emission Bandwidth..................................................................................... 3 Test Result............................................................................................................................................... 3 Test Graphs............................................................................................................................................. 4 Appendix B: Occupied Channel Bandwidth................................................................................5 Test Result............................................................................................................................................... 5 Test Graphs............................................................................................................................................. 6 Appendix C: Maximum conducted output power......................................................................7 Test Result Peak.....................................................................................................................................7 Test Graphs............................................................................................................................................. 8 Appendix D: Carrier frequency separation.................................................................................9 Test Result............................................................................................................................................... 9 Test Graphs........................................................................................................................................... 10 Appendix E: Time of occupancy............................................................................................... 11 Test Result.............................................................................................................................................11 Test Graphs........................................................................................................................................... 12 Appendix F: Number of hopping channels...............................................................................13 Test Result.............................................................................................................................................13 Test Graphs........................................................................................................................................... 14 Appendix G: Band edge measurements...................................................................................15 Test Result.............................................................................................................................................15 Test Graphs........................................................................................................................................... 16 Appendix H: Conducted Spurious Emission............................................................................. 17 Test Result.............................................................................................................................................17 Test Graphs........................................................................................................................................... 18 Appendix I: Duty Cycle..............................................................................................................19 Test Result.............................................................................................................................................19 Test Graphs........................................................................................................................................... 20 Report No. : EED32S80401304Page 3 of 20 Appendix A: 20dB Emission Bandwidth Test Result TestModeAntenna Frequency [MHz] 20db EBW[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict LORA_FHSSAnt1902.30.14902.23902.37≤0.5PASS LORA_FHSSAnt1908.70.15908.63908.77≤0.5PASS LORA_FHSSAnt1914.90.14914.83914.97≤0.5PASS Report No. : EED32S80401304Page 4 of 20 Test Graphs LORA_FHSS-Ant1-902.3-PASSLORA_FHSS-Ant1-908.7-PASS LORA_FHSS-Ant1-914.9-PASS Report No. : EED32S80401304Page 5 of 20 Appendix B: Occupied Channel Bandwidth Test Result TestModeAntenna Frequency [MHz] OCB[MHz] FL[MHz]FH[MHz] Limit[M Hz] Verdict LORA_FHSSAnt1902.30.12767902.2360 902.3636------ LORA_FHSSAnt1908.70.12736908.6363 908.7637------ LORA_FHSSAnt1914.90.12658914.8363 914.9629------ Report No. : EED32S80401304Page 6 of 20 Test Graphs LORA_FHSS-Ant1-902.3LORA_FHSS-Ant1-908.7 LORA_FHSS-Ant1-914.9 Report No. : EED32S80401304Page 7 of 20 Appendix C: Maximum conducted output power Test Result Peak Test Mode AntennaFrequency[MHz] Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict LORA_FHSSAnt1902.320.98≤30PASS LORA_FHSSAnt1908.721.00≤30PASS LORA_FHSSAnt1914.921.03≤30PASS Report No. : EED32S80401304Page 8 of 20 Test Graphs LORA_FHSS-Ant1-902.3-PASSLORA_FHSS-Ant1-908.7-PASS LORA_FHSS-Ant1-914.9-PASS Report No. : EED32S80401304Page 9 of 20 Appendix D: Carrier frequency separation Test Result TestModeAntennaFrequency[MHz]Result[MHz]Limit[MHz]Verdict LORA_FHSSAnt1Hop0.2796≥0.025PASS Note: The all channel distributions are uniform. Report No. : EED32S80401304Page 10 of 20 Test Graphs LORA_FHSS-Ant1-Hop-PASS Note: During the test, RBW was already as close as possible to 30% of the channel spacing. Report No. : EED32S80401304Page 11 of 20 Appendix E: Time of occupancy Test Result TestModeAntenna Frequency [MHz] BurstWidth [ms] TotalHops [Num] Result[s]Limit[s]Verdict LORA_FHSS Ant1902.331.01450.1550700.4PASS LORA_FHSS Ant1908.731.01430.0930420.4PASS LORA_FHSS Ant1914.931.01440.1240560.4PASS Report No. : EED32S80401304Page 12 of 20…
Text truncated - open the document above for the full version.
Report No. : EED32S80401304Page 1 of 38 TEST REPORT Product:SenseCAP Asset Tracker T2000-B Trade mark:Seeed Studio Model/Type reference :SenseCAP Asset Tracker T2000-B Serial Number:N/A Report Number:EED32S80401304 FCC ID:Z4T-T2000B Date of Issue:May 07, 2026 Test Standards:47 CFR Part 15 Subpart C Test result:PASS Prepared for: Seeed Technology Co.,Ltd 9F,Building G3,TCL International E city,Shuguang Community,Xili street,Nanshan,Shenzhen, Guangdong Province, P.R.C Prepared by: Centre Testing International Group Co., Ltd. Hongwei Industrial Park, Zone 70, Bao’an District, Shenzhen, Guangdong, China TEL: +86-755-3368 3668 FAX: +86-755-3368 3385 Compiled by:Reviewed by: Win WeiKeven Tan Approved by:Date:May 07, 2026 Aaron Ma Check No.:8305020326 Report No. : EED32S80401304Page 2 of 38 1 Contents Page 1 CONTENTS......................................................................................................................................................................2 2 TEST SUMMARY............................................................................................................................................................3 3 GENERAL INFORMATION...........................................................................................................................................4 3.1 CLIENTINFORMATION.................................................................................................................................................4 3.2 GENERALDESCRIPTION OFEUT.................................................................................................................................4 3.3 TESTCONFIGURATION................................................................................................................................................ 6 3.4 TESTENVIRONMENT...................................................................................................................................................7 3.5 DESCRIPTION OFSUPPORTUNITS............................................................................................................................... 7 3.6 TESTLOCATION.........................................................................................................................................................7 3.7 MEASUREMENTUNCERTAINTY(95%CONFIDENCE LEVELS,K=2)..........................................................................8 3.8 EQUIPMENTLIST........................................................................................................................................................9 4 TEST RESULTS AND MEASUREMENT DATA.....................................................................................................13 4.1 ANTENNAREQUIREMENT..........................................................................................................................................13 4.2 MAXIMUMCONDUCTEDOUTPUTPOWER.................................................................................................................14 4.3 20DB EMISSIONBANDWIDTH....................................................................................................................................15 4.4 CARRIERFREQUENCYSEPARATION..........................................................................................................................16 4.5 NUMBER OFHOPPINGCHANNEL...............................................................................................................................17 4.6 TIME OFOCCUPANCY................................................................................................................................................18 4.7 BAND EDGEMEASUREMENTS................................................................................................................................... 19 4.8 CONDUCTEDSPURIOUSEMISSIONS...........................................................................................................................20 4.9 RADIATEDSPURIOUSEMISSION& RESTRICTED BANDS...........................................................................................21 5 APPENDIX A.................................................................................................................................................................36 6 PHOTOGRAPHS..........................................................................................................................................................37 Report No. : EED32S80401304Page 3 of 38 2 Test Summary Test ItemTest RequirementResult Antenna Requirement 47 CFR Part 15, Subpart C Section 15.203/15.247 (c) PASS AC Power Line Conducted Emission 47 CFR Part 15, Subpart C Section 15.207 N/A Maximum Conducted Output Power 47 CFR Part 15, Subpart C Section 15.247 (b)(2) PASS 20dB Emission Bandwidth 47 CFR Part 15, Subpart C Section 15.247 (a)(1) PASS Carrier Frequency Separation 47 CFR Part 15, Subpart C Section 15.247 (a)(1) PASS Number of Hopping Channels 47 CFR Part 15, Subpart C Section 15.247 (a)(1) PASS Time of Occupancy47 CFR Part 15, Subpart C Section 15.247 (a)(1)PASS Band Edge Measurements 47 CFR Part 15, Subpart C Section 15.247(d) PASS Conducted Spurious Emissions 47 CFR Part 15, Subpart C Section 15.247(d) PASS Radiated Spurious emissions47 CFR Part 15, Subpart C Section 15.205/15.209PASS Restricted bands around fundamental frequency 47 CFR Part 15, Subpart C Section 15.205/15.209PASS Remark: N/A: The product is powered by batteries. Report No. : EED32S80401304Page 4 of 38 3 General Information 3.1Client Information Applicant: Seeed Technology Co.,Ltd Address of Applicant: 9F,Building G3,TCL International E city,Shuguang Community,Xili street,Nanshan,Shenzhen, Guangdong Province, P.R.C Manufacturer: Seeed Technology Co.,Ltd Address of Manufacturer: 9F,Building G3,TCL International E city,Shuguang Community,Xili street,Nanshan,Shenzhen, Guangdong Province, P.R.C Factory: Shenzhen Xinxian Technology Co.,Limit…
Text truncated - open the document above for the full version.
MyAntennaRFTechnologyCo.,Ltd ADD:No.RM410,CountryGardenPhoenixWisdomValley,No.50TiezaiRoad,BaoanDistrict,Shenzhen,P.R.China. TEL:+86-0755-86503881FAX:+86-0755-27801677E-mail:[email protected] TrackerT2000-B版本Antenna FEATURES&BENEFITS WeldingRG1.13cable,Ipexconnector,3Mstickerforeasyinstallation. Mountingto:non-conductivesurface Installationtype:adhesive APPLICATIONS IoTDevices SmartCities SmartAgriculture ConsumerTracking SmartMetering SmartAgriculture ORDERINFORMATION ProductName TrackerT2000-B 版本 Antenna PartNumberM01-0401470R0A Dimensions93.85x67.38mm ColorBlack Mountingadhesive AntennaCable DefaultIPEX1RF1.13blackcoaxialcable(Ø1.13x62mm+65mm), customizable. REFERENCEGUIDE TechnicalFeatures(MHz)2400-2500+860-930+2400-2500 MaxVSWR2.5:1@BT+5.5:1@LoRa+4.5:1@WIFI MaxEfficiency53.62%@BT+17.81%@LoRa+35.08%@WIFI PeakGain1.24dBi@BT+(-4.52)dBi@LoRa+(-0.41)dBi@WIFI RadiationPatternOmnidirectional PolarizationLinear InputImpedance50Ω OperatingTemperature-40ºCto+85ºC StorageTemperature-40ºCto+85ºC RelativeHumidity10to70% MaterialSubstance Compliance RoHSCompliant Dimensions (LxWxH) 93.85x67.38mm MyAntennaRFTechnologyCo.,Ltd ADD:No.RM410,CountryGardenPhoenixWisdomValley,No.50TiezaiRoad,BaoanDistrict,Shenzhen,P.R.China TEL:+86-0755-86503881E-mail:[email protected] ELECTRICALPERFORMANCE ReturnLoss(BT) ReturnLoss(LoRa) MyAntennaRFTechnologyCo.,Ltd ADD:No.RM410,CountryGardenPhoenixWisdomValley,No.50TiezaiRoad,BaoanDistrict,Shenzhen,P.R.China TEL:+86-0755-86503881E-mail:[email protected] ReturnLoss(WIFI) Efficiency(%)AndGain(dBi) MyAntennaRFTechnologyCo.,Ltd ADD:No.RM410,CountryGardenPhoenixWisdomValley,No.50TiezaiRoad,BaoanDistrict,Shenzhen,P.R.China TEL:+86-0755-86503881E-mail:[email protected] MyAntennaRFTechnologyCo.,Ltd ADD:No.RM410,CountryGardenPhoenixWisdomValley,No.50TiezaiRoad,BaoanDistrict,Shenzhen,P.R.China TEL:+86-0755-86503881E-mail:[email protected] BTLoRaWIFI Freq(M Hz) Gain(d Bi) Efficienc y(%) Freq(M Hz) Gain(d Bi) Efficienc y(%) Freq(M Hz) Gain(d Bi) Efficienc y(%) 24000.9948.27860-6.9111.812400-0.4135.08 24100.847.49865-6.5412.742410-0.7933.68 24200.8747.97870-5.8214.312420-1.1233.11 24300.7648.52875-5.4814.82430-1.133.02 24400.8549.48880-516.032440-1.0432.71 24501.0152.03885-5.0116.512450-0.8832.27 24601.0452.46890-4.7117.422460-0.8531.78 24701.2453.38895-4.617.422470-0.7332.11 24801.2353.62900-4.5217.812480-0.8531.71 24901.1953.25905-4.6417.372490-0.9931.28 25001.0852.84910-4.5617.62500-1.1730.07 915-4.6817.47 920-4.7416.9 925-4.716.53 930-5.0115.94 MyAntennaRFTechnologyCo.,Ltd ADD:No.RM410,CountryGardenPhoenixWisdomValley,No.50TiezaiRoad,BaoanDistrict,Shenzhen,P.R.China TEL:+86-0755-86503881E-mail:[email protected] RADIATIONPATTERNS 2400MHzGain=0.99dBi(BT) MyAntennaRFTechnologyCo.,Ltd ADD:No.RM410,CountryGardenPhoenixWisdomValley,No.50TiezaiRoad,BaoanDistrict,Shenzhen,P.R.China TEL:+86-0755-86503881E-mail:[email protected] 2450MHzGain=1.01dBi(BT) MyAntennaRFTechnologyCo.,Ltd ADD:No.RM410,CountryGardenPhoenixWisdomValley,No.50TiezaiRoad,BaoanDistrict,Shenzhen,P.R.China TEL:+86-0755-86503881E-mail:[email protected] 2500MHzGain=1.08dBi(BT) MyAntennaRFTechnologyCo.,Ltd ADD:No.RM410,CountryGardenPhoenixWisdomValley,No.50TiezaiRoad,BaoanDistrict,Shenzhen,P.R.China TEL:+86-0755-86503881E-mail:[email protected] 865MHzGain=-6.54dBi(LoRa) MyAntennaRFTechnologyCo.,Ltd ADD:No.RM410,CountryGardenPhoenixWisdomValley,No.50TiezaiRoad,BaoanDistrict,Shenzhen,P.R.China TEL:+86-0755-86503881E-mail:[email protected] 915MHzGain=-4.68dBi(LoRa) MyAntennaRFTechnologyCo.,Ltd ADD:No.RM410,CountryGardenPhoenixWisdomValley,No.50TiezaiRoad,BaoanDistrict,Shenzhen,P.R.China TEL:+86-0755-86503881E-mail:[email protected] 2400MHzGain=-0.41dBi(WIFI) MyAntennaRFTechnologyCo.,Ltd ADD:No.RM410,CountryGardenPhoenixWisdomValley,No.50TiezaiRoad,BaoanDistrict,Shenzhen,P.R.China TEL:+86-0755-86503881E-mail:[email protected] 2450MHzGain=-0.88dBi(BT) MyAntennaRFTechnologyCo.,Ltd ADD:No.RM410,CountryGardenPhoenixWisdomValley,No.50TiezaiRoad,BaoanDistrict,Shenzhen,P.R.China TEL:+86-0755-86503881E-mail:[email protected] 2500MHzGain=-1.17dBi(BT) MyAntennaRFTechnologyCo.,Ltd ADD:No.RM410,CountryGardenPhoenixWisdomValley,No.50TiezaiRoad,BaoanDistrict,Shenzhen,P.R.China TEL:+86-0755-86503881E-mail:[email protected] HOUSINGCONFIGURATIONS B T W I F I LORA V1.5 67.38±0.6 9 3 . 8 5 ± 0 . 8 6 5 . 0 0 ± 2 . 0 6 2 . 0 0 ± 2 . 0 6 2 . 0 0 ± 2 . 0 黑 Φ 1 . 1 3 ± 0 . 1 灰Φ1.13±0.1 黑Φ1.13±0.1 A B C D E F A B C D E F 8 7 6 5 8 7 6 5 SCALESHEETREV. 1:1 1/1 V01 DWG NO.: DR: CHKD: APPD: PART NO.: CUS P/N: DIMENSIONS ARE IN MILLIMETERS UNLESS OTHERWISE SPECIFIED ANGLES = ±3° UP TO 6 = ±0.1 6-40 = ±0.2 40-120 = ±0.6 120-315 = ±1.0 ABOVE 315 = ±1.6 TOLERANCES TITLE: No. Name MaterialColorTreatment Amount Remark 2 REV. DESCRIPTION APPD.DATE AINITIAL RELEASED Chen 2025/11/04 1 93.85*67.38mm 2 Φ1.13*62.0mm 黑色 M01-0401470R0A 1 黑色 T2000 白色丝印线 1 2 2 3 31 Φ1.13*65.0mm 灰色 Tracker T2000- B 版本 41 41.5*10.0*4.0mm 银色 4 导电泡棉(双面背胶)
420 W SLAUGHTER LN BLDG 9 APT 931 · Austin, 78731 · United States
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 902.3 MHz - 914.9 MHz | 126.80 mW |
XIAO nRF54LM20A
Equipment Class
DTS - Digital Transmission SystemreComputer R1225 LoRaWAN Gateway & Industrial
Equipment Class
DSS - Part 15 Spread Spectrum TransmitterSenseCAP Asset Tracker T2000-A, SenseCAP Asset Tracker T2000-C
Equipment Class
DTS - Digital Transmission SystemBluetooth Beacon
Equipment Class
DTS - Digital Transmission SystemreTerminal E1003 ePaper Display
Equipment Class
DTS - Digital Transmission System