2A57D-GG-AT20EWPortable Label Printer

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: This device may not cause harmful interference, and This device must accept any interference received, including interference that may cause undesired operation. Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class 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 followingmeasures: 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. RF warning statement: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. FCC STATEMENT

FCCID:2A57D-GG-AT20EW

Labellocation： Label：

FCCID:2A57D-GG-AT20EW ANT

version01 ZHUHAININESTARINFORMATIONTECHNOLOGY CO.,LTD DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:GG-AT20EW,GG-AT50EW,RM-GG-950W,TP-B90,GG-B90 FCCID:2A57D-GG-AT20EW fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsforinternalantennatype(s) describedbelow: ModelNo.ofantenna:N/A Typeofantenna:PCBantenna Gainoftheantenna:2dBi Frequencyrange:2402-2480MHzMHz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname:ZHUHAININESTARINFORMATIONTECHNOLOGYCO.,LTD Address:NO.3883,ZhuhaiAvenue,XiangzhouDistrict,Zhuhai,Guangdong,China City:Zhuhai ZIP/Postalcode:/ Country:China Place:ZhuhaiDate:7/13/2022 Signature:

RFEXPOSUREEVALUATION FCCID:2A57D-GG-AT20EW AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) Radiationasspecifiedin§1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. Result:NoStandaloneSARtestisrequired. Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTuneUp Power(dBm) Distance (mm) Calculation results Limit Operating Mode BDR 24024.374.37±15.37051.0673 GFSK24414.514.51 ±1 5.51051.1113 24804.424.42±15.42051.0973 BLE 24024.354.35±15.35051.0623 GFSK24404.54.5 ±1 5.50051.1083 24804.424.42±15.42051.0973

Page1of28 AppendixTestData ReportNo.:18220WC20130701TestSampleNo.:1-2-2 StartTestDate:2022.6.20FinishTestDate:2022.6.25 TestEngineer:Auditor: Temperature:24.3 °C RelativeHumidity:56.5% Pressure:1012hPa AppendixA:20dBEmissionBandwidth TestResult TestModeAntennaChannel 20db EBW[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant1 24021.0532401.4362402.489---PASS 24411.0172440.4692441.486---PASS 24800.9842479.5022480.486---PASS Page2of28 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page3of28 Page4of28 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntennaChannel OCB[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant1 24020.99975 2401.46 5 2402.465---PASS 24410.98050 2440.48 5 2441.465---PASS 24800.96065 2479.50 2 2480.463---PASS Page5of28 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page6of28 Page7of28 AppendixC:Maximumconductedoutputpower TestResult TestModeAntennaChannelResult[dBm]Limit[dBm]Verdict DH5Ant1 24024.37≤20.97PASS 24414.51≤20.97PASS 24804.42≤20.97PASS Page8of28 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page9of28 Page10of28 AppendixD:Carrierfrequencyseparation TestResult TestModeAntennaChannelResult[MHz]Limit[MHz]Verdict DH5Ant1Hop1.228≥0.702PASS Page11of28 TestGraphs DH5_Ant1_Hop Page12of28 AppendixE:Timeofoccupancy TestResult TestModeAntennaChannel BurstWidth [ms] TotalHops [Num] Result[s]Limit[s]Verdict DH1Ant1Hop0.293730.108≤0.4PASS DH3Ant1Hop1.521720.262≤0.4PASS DH5Ant1Hop2.741120.307≤0.4PASS Page13of28 TestGraphs DH1_Ant1_Hop DH3_Ant1_Hop Page14of28 DH5_Ant1_Hop Page15of28 Page16of28 AppendixF:Numberofhoppingchannels TestResult TestModeAntennaChannelResult[Num]Limit[Num]Verdict DH5Ant1Hop79≥15PASS Page17of28 TestGraphs DH5_Ant1_Hop Page18of28 AppendixG:Bandedgemeasurements TestResult TestModeAntennaChNameChannel RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 Low24024.00-42.42≤-16PASS High24804.03-54.91≤-15.97PASS LowHop3.60-59.27≤-16.4PASS HighHop3.81-61.75≤-16.2PASS Page19of28 TestGraphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 DH5_Ant1_Low_Hop Page20of28 DH5_Ant1_High_Hop Page21of28 AppendixH:ConductedSpuriousEmission TestResult TestModeAntennaChannel FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 2402 Reference3.603.60---PASS 30~10003.60-58.83≤-16.4PASS 1000~265003.60-41.61≤-16.4PASS 2441 Reference3.743.74---PASS 30~10003.74-59.42≤-16.26PASS 1000~265003.74-42.3≤-16.26PASS 2480 Reference3.633.63---PASS 30~10003.63-62.91≤-16.37PASS 1000~265003.63-39.28≤-16.37PASS Page22of28 TestGraphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 DH5_Ant1_2402_1000~26500 Page23of28 DH5_Ant1_2441_0~Reference DH5_Ant1_2441_30~1000 Page24of28 DH5_Ant1_2441_1000~26500 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 Page25of28 DH5_Ant1_2480_1000~26500 Page26of28 AppendixI:DutyCycle TestResult TestModeAntennaChannel ONTime [ms] Period [ms] XDC [%] xFactor LimitVerdict DH5Ant124022.753.51 0.783 5 78.351.06---PASS Page27of28 TestGraphs DH5_Ant1_2402 ---End--- Page28of28 TestGraphs EmissionsinRestrictedBandsmeasurements

ReportNo.:18220WC20130701FCCID:2A57D-GG-AT20EWPage1of42 Code:AB-RF-05-a FCCTESTREPORT ClientName: ZHUHAININESTARINFORMATIONTECHNOLOGY CO.,LTD Address: NO.3883,ZhuhaiAvenue,XiangzhouDistrict,Zhuhai, Guangdong,China. ProductName:PortableLabelPrinter Date:Jul.13,2022 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC20130701FCCID:2A57D-GG-AT20EWPage2of42 Code:AB-RF-05-a Contents 1.GeneralInformation ............................................................................................................................................... 5 1.1.ClientInformation ....................................................................................................................................... 5 1.2.DescriptionofDevice(EUT) ..................................................................................................................... 5 1.3.AuxiliaryEquipmentUsedDuringTest ................................................................................................... 6 1.4.DescriptionofTestModes ........................................................................................................................ 6 1.5.Listofchannels ........................................................................................................................................... 7 1.6.DescriptionOfTestSetup ......................................................................................................................... 8 1.7.TestEquipmentList .................................................................................................................................... 9 1.8.MeasurementUncertainty ....................................................................................................................... 10 1.9.DescriptionofTestFacility ...................................................................................................................... 10 2.SummaryofTestResults ................................................................................................................................... 11 3.ConductedEmissionTest ................................................................................................................................... 12 3.1.TestStandardandLimit .......................................................................................................................... 12 3.2.TestSetup .................................................................................................................................................. 12 3.3.TestProcedure .......................................................................................................................................... 12 3.4.TestData .................................................................................................................................................... 12 4.RadiationSpuriousEmissionandBandEdge ................................................................................................ 17 4.1.TestStandardandLimit .......................................................................................................................... 17 4.2.TestSetup .................................................................................................................................................. 17 4.3.TestProcedure .......................................................................................................................................... 18 4.4.TestData .................................................................................................................................................... 19 5.MaximumPeakOutputPowerTest .................................................................................................................. 27 5.1.TestStandardandLimit .......................................................................................................................... 27 5.2.TestSetup .................................................................................................................................................. 27 5.3.TestProcedure .......................................................................................................................................... 27 5.4.TestData .................................................................................................................................................... 27 6.20DBOccupyBandwidthTest ........................................................................................................................... 28 6.1.TestStandard ............................................................................................................................................ 28 6.2.TestSetup .................................................................................................................................................. 28 6.3.TestProcedure .......................................................................................................................................... 28 6.4.TestData .................................................................................................................................................... 28 7.CarrierFrequencySeparationTest ................................................................................................................... 29 7.1.TestStandardandLimit .......................................................................................................................... 29 7.2.TestSetup .................................................................................................................................................. 29 7.3.TestProcedure .......................................................................................................................................... 29 7.4.TestData 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FCCID:2A57D-GG-AT20EW PhotoofConductedEmissionTest PhotoofRadiationEmissionTest