2BBP3-ER4receiver

BOOT Thank you for purchasing the Radiomaster ER4 ExpressLRS receiver. The ER4 receiver is based on the revolutionary ExpressLRS system. It offers high performance, high reliability, flexible configuration, fast response speed and ultra-long range bringing you brand new experience with your hobby. P roduct Features: Power supply: DC 4.5 - 8.4V Antenna type: 15cm high sensitivity antenna Wireless protocol: ExpressLRS 3.3.0 pre-installed Output channel: 4CH PWM Telemetry power: 100mw Battery voltage detection range: DC 4.0 - 35V Weight: 3.0 grams Dimensions: 30*15*5mm Firmware: Device Category: Radiomaster 2.4Ghz Device: RadioMaster ER4 2400 PWM RX Important: 1.The recommended ELRS LUA settings on the remote-control end are: - Standard servos: - Performance servos: Packet Rate： 100Hz Full Packet Rate： 333Hz Full Telem Ratio： Std (1:128) Switch Mode： 8ch Telem Ratio： Std (1:32)（default if unsure） Switch Mode： 8ch 1. The first time you power on your receiver, the LED will double blink. This indicates that the receiver is in bind mode. If this is not the case, hold down the boot button for 10 seconds to reset the receiver. 2. Open the ExpressLRS LUA on your remote controller and select [BIND], then confirm. 3. A successful bind is indicated by the light being a steady on, indicating that frequency binding was successful. Note: To bind the receiver a second time or to another radio, power cycle the receiver 3 times. On the third power cycle, the LED will double blink indicating bind mode. If you cannot successfully enter bind mode with the 3 power cycle method, you can hold down the boot button for 10 seconds to reset the receiver to bind mode or use the passphrase method below. WARNING: All previous settings in the receiver will be erased and need to be set again when using the reset button. Binding method (Traditional): 1. Open the ExpressLRS LUA and navigate to the Wifi Connectivity page. Select the Enable Wifi option and connect to your radios wifi with a mobile phone, tablet or PC (See TX Wifi notes below). Open the WebUI (Express LRS web page on http://10.0.0.1/) and choose a unique bind phrase. Note Bind phrases are not secret and can be read. Save and Reboot. 2. Power up the receiver and wait 60 seconds for the LED to blink rapidly to indicate Wifi mode. Connect your phone, tablet or PC to the receivers Wifi (See TX Wifi notes below). Open the WebUI (Express LRS web page on http://10.0.0.1/) and enter the matching bind phrase previously entered on your radio. Note Bind phrases are not secret and can be read. Save and Reboot. Once a radio and a receiver have the same bind phrase set they will automatically bind. TX Wifi notes： WiFi default network name: ExpressLRS TX WiFi default password: expresslrs Default URL: http://10.0.0.1/ (Open in browser) RX Wifi notes: WiFi default network name: ExpressLRS RX WiFi default password: expresslrs Default URL: http://10.0.0.1/ (Open in browser) Binding method (Passphrase). ER4 2: The maximum input voltage for the EXT-V (external voltage input) telemetry reading is 35V. Do not exceed 35V or the receiver will be damaged. 3: The EXT-V (external voltage input) of the ER4 is accessed via the EXT-V solder pad on the PCB. A single wire must be soldered to this pad and connected to the positive wire of the battery or ESC. If no EXT-V power source is found, the ER4 will default to reading the voltage on the receiver pins, only one voltage input can be used at the any given time. 4: If the power supplied is 7.4V or higher, please ensure that the receiver is in an open and ventilated area of the model for better heat dissipation. *For best results, calibrate the voltage of your radio using a fully charged battery of the correct cell count intended for use in the model. 5: Calibration of the telemetry voltage will be required on your radio. Navigate to the telemetry page on your radio and locate the RxBt sensor. Edit the sensor settings and adjust the offset until the displayed reading matches the actual voltage of the battery in the model. If there is a large difference, adjustment of the ratio may also be required. 6: ExpressLRS Arming requirements and the use of Channel 5. The ER4 receiver has 4 channels and does not require any channel outputs to be re-mapped however it is still recommended to assign CH5 on your radio to a switch such as your throttle cut switch so the RF module in your radio can be armed and disarmed which will provide benefits such as dynamic power. The Radiomaster ER4 receiver can drive 4 servos simultaneously. Designed with a very small volume, it is suitable for small aircraft models, ship models, car models and other models that require a small or lightweight receiver while still providing full range. Please visit https://www.expresslrs.org/ to learn more on the importance of setting up arming. CH1 CH2 CH3 CH4 FCC Warning 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, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any 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 enc…

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-ShenzhenRadiomasterCo.,Ltd- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotifytheFCCwithin30daysvia thegrantingTCB. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 7/27/23 U.S.AgentDesignation [ShenzhenRadiomasterCo.,Ltd]acknowledgestheirconsentforthefollowingcontactlocatedinthe UnitedStatestoactastheiragentforserviceofprocessfortheequipmentforwhichauthorizationis sought(FCCID:[2BBP3-ER4]): NameandcompanyofU.S.agent:SUNBEYONDCONSULTINGLTD PhysicalU.S.addressofagent:OFFICENO.448,4THFLOOR,90CANALSTREET BOSTON,,MA2114 FRNofU.S.agent:0033598426 EmailaddressofU.S.agent:[email protected] [SUNBEYONDCONSULTINGLTD]acknowledgestheirobligationtoacceptserviceofprocesson behalfof[ShenzhenRadiomasterCo.,Ltd]. [ShenzhenRadiomasterCo.,Ltd]withtheFRN[0033900978]acceptsitsobligationtomaintainan agentforserviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,or theconclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingthe equipment,whicheverislater. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(d)(7). Sincerely, Signature [Name]owenlee [Title]manager [Company]ShenzhenRadiomasterCo.,Ltd Signature 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 4 -ShenzhenRadiomasterCo.,Ltd- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotifytheFCCwithin30daysvia thegrantingTCB. [NameofU.S.agent]PeterZhang [TitleofU.S.agent]manager [CompanyofU.S.agent]SUNBEYONDCONSULTINGLTD

-ShenzhenRadiomasterCo.,Ltd- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 7/27/23 Towhomitmayconcern: We,[ShenzhenRadiomasterCo.,Ltd],herebycertifythattheequipmentforwhichauthorizationis sought(FCCID:[2BBP3-ER4])isnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuantto§2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,wearenotidentifiedontheCovered List(https://www.fcc.gov/supplychain/coveredlist)asanentityproducing“covered”equipment. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(b)and(d)(5)and(6). Sincerely, Signature [Name]owenlee [Title]manager [Company]ShenzhenRadiomasterCo.,Ltd 6 2 _ [ m o d e l ] C o v e r e d E q u _ 2 . 9 1 1 ( d ) ( 5 ) ( i ) a n d ( i i ) - U , V 0 2

Code:AB-RF-05-b ExternalPhotograph 2.4GANT Code:AB-RF-05-b Code:AB-RF-05-b Code:AB-RF-05-b

LabelLocationOnEUT Label

Code:AB-RF-05-b InternalPhotograph Code:AB-RF-05-b Wifi/BTANT

RFEXPOSUREEVALUATION AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeusedto evaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF)Radiation asspecifiedin§1.1307(b) FCCID:2BBP3-ER4 EUTSpecification EUT receiver Frequencyband(Operating)WLAN:2.412GHz~2.462GHz WLAN:5.18GHz~5.24GHz/5.50GHz~5.70GHz WLAN:5.745GHz~5.825GHz Others:2.402GHz~2.480GHz ； 2404~2474MHz DevicecategoryPortable(<20cmseparation) Mobile(>20cmseparation) Others___ ExposureclassificationOccupational/Controlledexposure GeneralPopulation/Uncontrolledexposure AntennadiversitySingleantenna Multipleantennas Txdiversity Rxdiversity Tx/Rxdiversity Max.outputpowerWIFI2.4G:18.51dBm(0.0710W);BLE:2.41dBm(0.0018W) 2.4G:2.29dBm(0.0017W) Antennagain(Max)2.4G:-0.27dBi WIFI/BLE:-0.68dBi EvaluationappliedMPEEvaluation SAREvaluation LimitsforMaximumPermissibleExposure(MPE) Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) Power Density(mW/cm 2 ) Average Time (A)LimitsforOccupational/ControlExposures 300-1500----F/3006 1500-100000----56 (B)LimitsforGeneralPopulation/UncontrolExposures 300-1500----F/150030 1500-100000----130 Friistransmissionformula:Pd=(Pout*G)\(4*pi*R2) Where Pd=PowerdensityinmW/cm 2 Pout=outputpowertoantennainMw G=gainofantennainlinearscale Pi=3.1416 R=distancebetweenobservationpointandcenteroftheradiatorincm PdthelimitofMPE.Ifweknowthemaximumgainoftheantennaandtotalpower inputtotheantenna,throughthecalculation,wewillknowthedistancewherethe MPElimitisreached. MaxMeasurementResult Operating Mode Measured Power Tuneup tolerance Max.Tune upPower Antenna Gain Powerdensity at20cm Powerdensity Limits (mW/cm 2 ) (dBm)(dBm)(dBm)(dBi)(mW/cm 2 ) WiFi2.4G18.5118.51±119.51-0.68 0.0152 1 2.4G2.292.29±13.29-0.270.00041 BLE2.412.41±13.41-0.680.00041 TheWLAN2.4GandBLE,2.4Gcantransmitsimultaneously: =S WIFI 2.4/Slimit-2.4+SBLE/Slimit-BLE+S2.4G/Slimit-2.4G =0.0152/1+0.0004/1+0.0004/1 =0.016 <1.0

Page1of23 AppendixTestData ReportNo.:18220WC30104102TestSampleNo.:1-2-2 StartTestDate:2023.05.31FinishTestDate:2023.06.12 TestEngineer:Auditor: Temperature:26.0 °C RelativeHumidity:49% Pressure:1012hPa AppendixA:DTSBandwidth TestResult TestModeAntennaFrequency[MHz] DTSBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 2.4GAnt1 24040.6642403.6722404.3360.5PASS 24400.6842439.6522440.3360.5PASS 24740.6922473.6442474.3360.5PASS Page2of23 TestGraphs 2.4G_Ant1_2404 2.4G_Ant1_2440 2.4G_Ant1_2474 Page3of23 Page4of23 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntennaFrequency[MHz] OCB[MHz] FL[MHz]FH[MHz] 2.4GAnt1 24041.03302403.49622404.5292 24401.02142439.49712440.5185 24741.02862473.49762474.5262 Page5of23 TestGraphs 2.4G_Ant1_2404 2.4G_Ant1_2440 2.4G_Ant1_2474 Page6of23 Page7of23 AppendixC:Maximumconductedoutputpower TestResultPeak TestModeAntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict 2.4GAnt1 24042.29≤30PASS 24402.07≤30PASS 24741.51≤30PASS Page8of23 TestGraphsPeak 2.4G_Ant1_2404 2.4G_Ant1_2440 2.4G_Ant1_2474 Page9of23 Page10of23 AppendixD:Maximumpowerspectraldensity TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict 2.4GAnt1 2404-12.91≤8.00PASS 2440-12.85≤8.00PASS 2474-13.39≤8.00PASS Page11of23 TestGraphs 2.4G_Ant1_2404 2.4G_Ant1_2440 2.4G_Ant1_2474 Page12of23 Page13of23 AppendixE:Bandedgemeasurements TestResult TestMod e Antenn a ChNam e Frequency[MHz ] RefLevel[dBm ] Result[dBm ] Limit[dBm ] Verdic t 2.4GAnt1 Low24041.64-57.73≤-18.36PASS High24740.85-56.57≤-19.15PASS Page14of23 TestGraphs 2.4G_Ant1_Low_2404 2.4G_Ant1_High_2474 Page15of23 AppendixF:ConductedSpuriousEmission TestResult TestMod e Antenn a Frequency[MHz ] FreqRange [MHz] RefLeve l [dBm] Result[dBm ] Limit[dBm ] Verdic t 2.4GAnt1 2404 Reference0.610.61---PASS 30~10000.61-69.33≤-19.39PASS 1000~2650 0 0.61-53.57≤-19.39PASS 2440 Reference0.970.97---PASS 30~10000.97-68.92≤-19.03PASS 1000~2650 0 0.97-53.96≤-19.03PASS 2474 Reference0.080.08---PASS 30~10000.08-68.51≤-19.92PASS 1000~2650 0 0.08-53.9≤-19.92PASS Page16of23 TestGraphs 2.4G_Ant1_2404_0~Reference 2.4G_Ant1_2404_30~1000 2.4G_Ant1_2404_1000~26500 Page17of23 2.4G_Ant1_2440_0~Reference 2.4G_Ant1_2440_30~1000 Page18of23 2.4G_Ant1_2440_1000~26500 2.4G_Ant1_2474_0~Reference Page19of23 2.4G_Ant1_2474_30~1000 2.4G_Ant1_2474_1000~26500 Page20of23 Page21of23 AppendixG:DutyCycle TestResult TestModeAntennaFrequency[MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] 2.4GAnt1 24040.380.6360.322.20 24400.380.6360.322.20 24740.380.6360.322.20 Page22of23 TestGraphs 2.4G_Ant1_2404 2.4G_Ant1_2440 2.4G_Ant1_2474 Page23of23 ---End---

ReportNo.:18220WC30104102FCCID:2BBP3-ER4Page1of28 Code:AB-RF-05-b FCCTestReport Applicant:ShenzhenRadiomasterCo.,Ltd Address: 4FYangtianBuilding,Xin'anStreet,Bao'an District,Shenzhen,Guangdong,China ProductName:receiver ReportDate:Jul.27,2023 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC30104102FCCID:2BBP3-ER4Page2of28 Code:AB-RF-05-b Contents 1.GeneralInformation............................................................................................................................................6 1.1.ClientInformation.....................................................................................................................................6 1.2.DescriptionofDevice(EUT)..................................................................................................................6 1.3.AuxiliaryEquipmentUsedDuringTest.................................................................................................7 1.4.DescriptionofTestConfiguration..........................................................................................................7 1.5.DescriptionOfTestSetup.......................................................................................................................8 1.6.TestEquipmentList.................................................................................................................................9 1.7.MeasurementUncertainty....................................................................................................................10 1.8.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.............................................................................................13 4.1.TestStandardandLimit........................................................................................................................13 4.2.TestSetup...............................................................................................................................................13 4.3.TestProcedure.......................................................................................................................................14 4.4.TestData.................................................................................................................................................15 5.MaximumPeakOutputPowerTest................................................................................................................23 5.1.TestStandardandLimit........................................................................................................................23 5.2.TestSetup...............................................................................................................................................23 5.3.TestProcedure.......................................................................................................................................23 5.4.TestData.................................................................................................................................................23 6.6DBOccupyBandwidthTest...........................................................................................................................24 6.1.TestStandardandLimit........................................................................................................................24 6.2.TestSetup...............................................................................................................................................24 6.3.TestProcedure.......................................................................................................................................24 6.4.TestData.................................................................................................................................................24 7.PowerSpectralDensityTest...........................................................................................................................25 7.1.TestStandardandLimit........................................................................................................................25 7.2.TestSetup...............................................................................................................................................25 7.3.TestProcedure.......................................................................................................................................25 7.4.TestData.................................................................................................................................................25 8.100kHzBandwidthofFrequencyBandEdgeRequirement......................................................................26 8.1.TestStandardandLimit........................................................................................................................26 8.2.TestSetup....................................…

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Page1of54 AppendixTestData ReportNo.:18220WC30104103TestSampleNo.:1-2-2 StartTestDate:2023.05.31FinishTestDate:2023.05.31 TestEngineer:Auditor: Temperature:25.4°CRelativeHumidity:44% Pressure:1012hPa AppendixA:DTSBandwidth TestResult TestModeAntennaFrequency[MHz] DTSBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 11BAnt1 241210.0002407.0002417.000≥0.5PASS 24379.5602432.0002441.560≥0.5PASS 24629.0402457.5202466.560≥0.5PASS 11GAnt1 241216.3602403.8402420.200≥0.5PASS 243716.4002428.8402445.240≥0.5PASS 246216.3202453.8402470.160≥0.5PASS 11N20SISOAnt1 241217.5602403.2402420.800≥0.5PASS 243717.6402428.1602445.800≥0.5PASS 246217.5602453.2402470.800≥0.5PASS 11N40SISOAnt1 242235.1002404.4202439.520≥0.5PASS 243735.1602419.4202454.580≥0.5PASS 245235.1602434.4202469.580≥0.5PASS Page2of54 TestGraphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 Page3of54 11G_Ant1_2412 11G_Ant1_2437 Page4of54 11G_Ant1_2462 11N20SISO_Ant1_2412 Page5of54 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 Page6of54 11N40SISO_Ant1_2422 11N40SISO_Ant1_2437 Page7of54 11N40SISO_Ant1_2452 Page8of54 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntenna Channel Frequency[MHz] OCB [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 11BAnt1 241212.3172405.89472418.2117------ 243712.3512430.86022443.2112------ 246212.3662455.84902468.2150------ 11GAnt1 241217.1572403.48182420.6388------ 243717.0722428.50312445.5751------ 246217.0492453.46402470.5130------ 11N20SISOAnt1 241217.9552403.08062421.0356------ 243717.9982428.01722446.0152------ 246217.9932453.04292471.0359------ 11N40SISOAnt1 242235.8732404.12592439.9989------ 243735.9142419.09122455.0052------ 245235.9322434.07352470.0055------ Page9of54 TestGraphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 Page10of54 11G_Ant1_2412 11G_Ant1_2437 Page11of54 11G_Ant1_2462 11N20SISO_Ant1_2412 Page12of54 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 Page13of54 11N40SISO_Ant1_2422 11N40SISO_Ant1_2437 Page14of54 11N40SISO_Ant1_2452 Page15of54 AppendixC:Maximumconductedoutputpower TestResultPeak TestModeAntennaFrequency[MHz]PeakPower[dBm] Conducted Limit[dBm] 11BAnt1 241217.88≤30.00 243717.93≤30.00 246217.92≤30.00 11GAnt1 241218.25≤30.00 243718.32≤30.00 246218.45≤30.00 11N20SISOAnt1 241218.51≤30.00 243718.21≤30.00 246218.49≤30.00 11N40SISOAnt1 242218.33≤30.00 243718.48≤30.00 245218.38≤30.00 Page16of54 AppendixD:Maximumpowerspectraldensity TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict 11BAnt1 24120.18≤8.00PASS 2437-8.14≤8.00PASS 2462-7.93≤8.00PASS 11GAnt1 2412-14.23≤8.00PASS 2437-13.66≤8.00PASS 2462-12.71≤8.00PASS 11N20SISOAnt1 2412-13.7≤8.00PASS 2437-13.58≤8.00PASS 2462-13.26≤8.00PASS 11N40SISOAnt1 2422-14.49≤8.00PASS 2437-14.23≤8.00PASS 2452-14.14≤8.00PASS Page17of54 TestGraphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 Page18of54 11G_Ant1_2412 11G_Ant1_2437 Page19of54 11G_Ant1_2462 11N20SISO_Ant1_2412 Page20of54 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 Page21of54 11N40SISO_Ant1_2422 11N40SISO_Ant1_2437 Page22of54 11N40SISO_Ant1_2452 Page23of54 AppendixE:Bandedgemeasurements TestResult TestMode Antenn a ChNam e Frequency[MH z] RefLevel[dB m] Result[dB m] Limit[dBm ] Verdic t 11BAnt1 Low24126.07-45.68≤-13.93PASS High24625.93-54.34≤-14.07PASS 11GAnt1 Low2412-0.02-43.1≤-20.02PASS High24620.09-50.36≤-19.91PASS 11N20SIS O Ant1 Low24120.05-40.85≤-19.95PASS High2462-0.64-50.86≤-20.64PASS 11N40SIS O Ant1 Low2422-0.38-35.82≤-20.38PASS High2452-0.32-41.45≤-20.32PASS Page24of54 TestGraphs 11B_Ant1_Low_2412 11B_Ant1_High_2462 11G_Ant1_Low_2412 Page25of54 11G_Ant1_High_2462 11N20SISO_Ant1_Low_2412 Page26of54 11N20SISO_Ant1_High_2462 11N40SISO_Ant1_Low_2422 Page27of54 11N40SISO_Ant1_High_2452 Page28of54 AppendixF:ConductedSpuriousEmission TestResult TestModeAntennaFrequency[MHz] FreqRange [Mhz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict 11BAnt1 2412 Reference4.614.61---PASS 30~10004.61-68.89≤-15.39PASS 1000~265004.61-53.72≤-15.39PASS 2437 Reference5.865.86---PASS 30~10005.86-68.74≤-14.14PASS 1000~265005.86-53.64≤-14.14PASS 2462 Reference4.704.70---PASS 30~10004.70-69.08≤-15.3PASS 1000~265004.70-53.22≤-15.3PASS 11GAnt1 2412 Reference-3.67-3.67---PASS 30~1000-3.67-68.52≤-23.67PASS 1000~26500-3.67-52.94≤-23.67PASS 2437 Reference-3.60-3.60---PASS 30~1000-3.60-69.29≤-23.6PASS 1000~26500-3.60-53.38≤-23.6PASS 2462 Reference-0.77-0.77---PASS 30~1000-0.77-67.89≤-20.77PASS 1000~26500-0.77-53.2≤-20.77PASS 11N20SISOAnt1 2412 Reference-0.71-0.71---PASS 30~1000-0.71-69.18≤-20.71PASS 1000~26500-0.71-52.92≤-20.71PASS 2437 Reference-2.96-2.96---PASS 30~1000-2.96-68.31≤-22.96PASS 1000~26500-2.96-53.75≤-22.96PASS 2462 Reference-0.26-0.26---PASS 30~1000-0.26-68.51≤-20.26PASS 1000~26500-0.26-53.48≤-20.26PASS 11N40SISOAnt1 2422 Reference-0.81-0.81---PASS 30~1000-0.81-69.01≤-20.81PASS 1000~26500-0.81-53.56≤-20.81PASS 2437 Reference-2.90-2.90---PASS 30~1000-2.90-69.01≤-22.9PASS 1000~26500-2.90-53.32≤-22.9PASS 2452 Reference-0.85-0.85---PASS 30~1000-0.85-68.3≤-20.85PASS Page29of54 1000~26500-0.85-53.58≤-20.85PASS Page30of54 TestGraphs 11B_Ant1_2412_0~Reference 11B_Ant1_2412_30~1000 11B_Ant1_2412_1000~26500 Page31of54 11B_Ant1_2437_0~Reference 11B_Ant1_2437_30~1000 Page32of54 11B_Ant1_2437_1000~26500 11B_Ant1_2462_0~Reference Page33of54 11B_Ant1_2462_30~1000 11B_Ant1_2462_1000~26500 Page34of54 11G_Ant1_2412_0~Reference 11G_Ant1_2412_30~1000 Page35of54 11G_Ant1_2412_1000~26500 11G_Ant1_2437_0~Reference Page36of54 11G_Ant1_2437_30~1000 11G_Ant1_2437_1000~26500 Page37of54 11G_Ant1_2462_0~Reference 11G_Ant1_2462_30~1000 Page38of54 11G_Ant1_2462_1000~26500 11N20SISO_Ant1_2412_0~Reference Page39of54 11N20SISO_Ant1_2412_30~1000 11N20SISO_Ant1_2412_1000~26500 Page40of54 11N20SISO_Ant1_2437_0~Reference 11N20SISO_Ant1_2437_30~1000 Page41of54 11N20SISO_Ant1_2437_1000~26500 11N20SISO_Ant1_2462_0~Reference Page42of54 11N20SISO_Ant1_2462_30~1000 11N20SISO_Ant1_2462_1000~26500 Page43of54 11N40SISO_Ant1_2422_0~Reference 11N40SISO_Ant1_2422_30~1000 Page44of54 11N40SISO_Ant1_2422_1000~26500 11N40SISO_Ant1_2437_0~Reference Page45of54 11N40SISO_Ant1_…

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ReportNo.:18220WC30104103FCCID:2BBP3-ER4Page1of30 Code:AB-RF-05-b FCCTestReport Applicant:ShenzhenRadiomasterCo.,Ltd Address: 4FYangtianBuilding,Xin'anStreet,Bao'an District,Shenzhen,Guangdong,China ProductName:receiver ReportDate:Jul.27,2023 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC30104103FCCID:2BBP3-ER4Page2of30 Code:AB-RF-05-b Contents 1.GeneralInformation...........................................................................................................................................6 1.1.ClientInformation....................................................................................................................................6 1.2.DescriptionofDevice(EUT)..................................................................................................................6 1.3.AuxiliaryEquipmentUsedDuringTest................................................................................................7 1.4.DescriptionofTestConfiguration.........................................................................................................7 1.5.DescriptionofTestSetup.......................................................................................................................8 1.6.TestEquipmentList.................................................................................................................................9 1.7.MeasurementUncertainty...................................................................................................................10 1.8.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............................................................................................13 4.1.TestStandardandLimit.......................................................................................................................13 4.2.TestSetup...............................................................................................................................................13 4.3.TestProcedure.......................................................................................................................................14 4.4.TestData.................................................................................................................................................15 5.MaximumPeakOutputPowerTest...............................................................................................................25 5.1.TestStandardandLimit.......................................................................................................................25 5.2.TestSetup...............................................................................................................................................25 5.3.TestProcedure.......................................................................................................................................25 5.4.TestData.................................................................................................................................................25 6.6DBOccupyBandwidthTest..........................................................................................................................26 6.1.TestStandardandLimit..............................…

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