2A7ZC-GBASEGeodetic GNSS Receiver

High-TechPrecision.High-TouchService GEOMATEGBaseGNSS USERGUIDE Survey&Construction|March2026 GEOMATEGBaseGNSSUSERGUIDE | 2026-03Page| 2 TableofContent TableofContent ............................................................................................................................... 2 Preface .............................................................................................................................................. 6 Copyright ................................................................................................................................... 6 Copyright ........................................................................................................................... 6 Trademarks ........................................................................................................................ 6 SafetyWarnings ................................................................................................................. 6 FCCStatement ........................................................................................................................... 6 CEInterferenceStatement ......................................................................................................... 7 Brazil ......................................................................................................................................... 7 ConformitytoJapaneseregulations .......................................................................................... 7 1Introduction .................................................................................................................................. 8 1.1SafetyInformation ............................................................................................................... 8 1.2RegulationsandSafety ........................................................................................................ 8 1.3TechnicalSupport ................................................................................................................ 9 1.4Disclaimer ............................................................................................................................ 9 1.5YourComments ................................................................................................................... 9 2GettingStartedwithGBase ....................................................................................................... 10 2.1AbouttheReceiver ............................................................................................................. 10 2.2PartsoftheReceiver .......................................................................................................... 10 2.2.1FrontPanel .............................................................................................................. 10 2.2.2Lowerhousingandports ......................................................................................... 12 2.3BatteriesandPower ........................................................................................................... 13 2.3.1InternalBatteries ..................................................................................................... 13 2.3.2ChargingtheBattery ............................................................................................... 13 2.3.3BatterySafe ............................................................................................................ 14 2.4InsertingBatteryandSIMCard ......................................................................................... 14 2.4.1Insertingbattery ...................................................................................................... 15 2.4.2InsertingSIMcard .................................................................................................. 15 GEOMATEGBaseGNSSUSERGUIDE | 2026-03Page| 3 2.5ProductBasicSupplyAccessories ...................................................................................... 17 2.6ConnectingtoaController ................................................................................................. 18 2.6.1ConnectingviaWi-FiwithMatesurveySoftware .................................................. 18 2.6.2ConnectingviaBluetoothwithMatesurveySoftware ............................................ 18 2.7DownloadingLoggedData ................................................................................................ 19 2.7.1FTPDownload ........................................................................................................ 19 3FrontPanelOperation ............................................................................................................... 22 3.1MainOperationMenus ....................................................................................................... 22 3.2ConfiguretheWorkingMode ............................................................................................. 24 4EquipmentSetupandOperation ............................................................................................... 27 4.1Post-processingBaseStationSetup .................................................................................... 27 4.2Real-TimeBaseStation ...................................................................................................... 28 4.2.1Real-TimeBaseStationSetup ................................................................................. 29 4.2.2UltraBase ............................................................................................................... 30 4.3Real-TimeRoverStation .................................................................................................... 32 4.3.1Real-TimeRoverStationSetup ............................................................................... 32 4.3.2UltraRover .........................................................................................…

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GEOMATE POSITIONING PTE.LTD. Covered Equipment Certification Attestation Letter 6/30/2026 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: 2A7ZC-GBASE GEOMATE POSITIONING PTE.LTD. (“ the applicant”) certifies 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. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. GEOMATE POSITIONING PTE.LTD. (“ the applicant”) certifies 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. GEOMATE POSITIONING PTE.LTD. (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Signed: Printed name: KSANA. CHU Title: Certification Manager Company Name: GEOMATE POSITIONING PTE.LTD. Date: 6/30/2026

GEOMATEPOSITIONINGPTE.LTD. U.S.AgentDesignationforServiceofProcess (ApplicantandU.S.AgentareSeparateParties) TO:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 ATTENTION:FCCCertification–Section2.911(d)(7)Information DesignatedU.S.Agent CompanyName:IgageMappingCorporation. FRN:0013933296 ContactName:MarkESilver Address:1545South1100East#1,SaltLakeCity,UT84105,UnitedStates Email:[email protected] Thisletteristoconfirmthatwe(“theDesignatedU.S.Agent)haveacceptedtheresponsibilitytoactasthe DesignatedU.S.AgentforServiceofProcessasrequiredbysection47CFR2.911(d)(7)onbehalfofthe Applicantnotedbelow. U.S.AgentSignature: Date:06/23/2026 Signedby(PrintedName/Title):MarkESilver TheApplicantacknowledgesthattheymustmaintainanagentfornolessthanoneyearafterterminatingall marketingandimportationORtheconclusionofanyCommission-relatedproceedinginvolvingthe equipment.TheapplicantfurtheracknowledgestheirresponsibilitytoinformtheFCCwheneverthe DesignatedU.S.Agentinformationabovechanges. Applicant Companyname:GEOMATEPOSITIONINGPTE.LTD. GranteeCode:2A7ZC FRN:0032673824. FCCID:2A7ZC-GBASE ContactName:KSANACHU StreetAddress: City/Province/Zip: Singapore Telephone No: +8675529766001 Email: [email protected] Applicant Signature: Date: 06/23/2026 Signed by (Printed Name/Title):KSANA Chu CERTIFICATION MANAGER

GEOMATE POSITIONING PTE.LTD. June 30, 2026 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID:2A7ZC-GBASE Product Name: Geodetic GNSS Receiver Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential:  Schematics Long-term confidential  Block diagram Long-term confidential  Operation description Long-term confidential  Tune-up Long-term confidential These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. Signature: Name KSANA. CHU Company Name GEOMATE POSITIONING PTE.LTD. Address 5 SHENTON WAY, #12-01, UIC BUILDING, SINGAPORE 068808 Tel +6589449901 Fax +6589449901 Email [email protected]

Page 1 of 8 FCC ID : 2A7ZC-GBASE Product Name : Geodetic GNSS Receiver Model : GBase Page 2 of 8 External Photos of EUT Page 3 of 8 Page 4 of 8 Page 5 of 8 Page 6 of 8 Page 7 of 8 Page 8 of 8

Label Location

Page 1 of 10 FCC ID : 2A7ZC-GBASE Product Name : Geodetic GNSS Receiver Model : GBase Page 2 of 10 Internal Photos of EUT Page 3 of 10 Page 4 of 10 Page 5 of 10 Page 6 of 10 Page 7 of 10 Page 8 of 10 Page 9 of 10 Page 10 of 10

FCC ID: 2A7ZC-GBASE RF Exposure Evaluation According to KDB 447498 D01 General RF Exposure Guidance v06 and part 2.1091(C)，Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition(s), listed below, is (are) satisfied. Limits According to KDB 447498 D01 General RF Exposure Guidance v06 The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm 2 ) Averaging time (minutes) (A) Limits for Occupational/Controlled Exposures 0.3–3.0 614 1.63 *(100) 6 3.0–30 1842/f 4.89/f *(900/f 2 ) 6 30–300 61.4 0.163 1.0 6 300–1500 f/300 6 1500–100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f 2 ) 30 30–300 27.5 0.073 0.2 30 300–1500 f/1500 30 1500–100,000 1.0 30 f = frequency in MHz Friis transmission formula: Pd = (Pout*G)/(4*pi*r 2 ) Where Pd = power density in mW/cm 2 , Pout = output power to antenna in mW; G = gain of antenna in linear scale, Pi = 3.1416; R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm 2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. Test Result of RF Exposure Evaluation Remark： 1.EUT contain FCC ID: XMR201903EG25G, 2/3/4G Max Conducted Average Output Power: 25dBm.LTE B12 Gain: -6.32dBi 2. UHF, EDR, 2.4G WIFI ANT and 2/3/4G ANT can simultaneously transmitting: 0.2782/0.3084 + 0.0001/1.0 + 0.0009/1.0 + 0.00163/0.4665 = 0.9066<1. 3.UHF ANT gain: 4.11dBi, EDR and 2.4GWIFI ANT gain: 1.95dBi. Meet MPE requirements, RF Exposure evaluation is not required. Test mode Freq. (MHz) Output power (dBm) Max Output power (mW) Power Density at R=60cm (mW/cm2) Limit (mW/cm2) Result EDR 2402 2.60 1.82 0.0001 1.0 PASS 802.11b 2412 14.10 25.70 0.0009 1.0 PASS Test mode Freq. (MHz) Output power (dBm) Max Output power (mW) Power Density at R=60cm (mW/cm2) Limit (mW/cm2) Result Radio 456.05 36.888 4884.27 0.2782 0.3084 PASS Test Band Freq. (MHz) Output power (dBm) Max Output power (mW) Power Density at R=60cm (mW/cm2) Limit (mW/cm2) Result LTE B12 699.70 25.00 316.23 0.00163 0.4665 PASS

Page 1 of 37 Hotline: 400-8868-419 http://www.ncttesting.cn FCC TEST REPORT FCC ID: 2A7ZC-GBASE Product : Geodetic GNSS Receiver Model Name : GBase Brand : Report No. : NCT260221234E1-2 Prepared for GEOMATE POSITIONING PTE.LTD. 5 SHENTON WAY, #12-01, UIC BUILDING, SINGAPORE 068808 Prepared by Shenzhen NCT Testing Technology Co., Ltd. A101,B2,Fuqiao 6th Area ,xintian Community,Fuhai Street,Baoan District,Shenzhen,China TEL: 400-8868-419 Report No.: NCT260221234E1-2 Page 2 of 37 Hotline: 400-8868-419 http://www.ncttesting.cn 1 TEST RESULT CERTIFICATION Applicant : GEOMATE POSITIONING PTE.LTD. Address : 5 SHENTON WAY, #12-01, UIC BUILDING, SINGAPORE 068808 Manufacturer : GEOMATE POSITIONING PTE.LTD. Address : 5 SHENTON WAY, #12-01, UIC BUILDING, SINGAPORE 068808 Product name : Geodetic GNSS Receiver Model name : GBase Standards : FCC CFR47 Part 15 Section 15.247 Test procedure : ANSI C63.10-2020+Cor 1-2023 Date of test : April 29, 2026 – June 18, 2026 Date of Issue : June 18, 2026 This device described above has been tested by NCT, and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of NCT, this document may be altered or revised by NCT, personal only, and shall be noted in the revision of the document. Prepared by: Shine Wu Reviewer: Keven Wu Approved: Henry Wang Report No.: NCT260221234E1-2 Page 3 of 37 Hotline: 400-8868-419 http://www.ncttesting.cn Contents Page 1 TEST RESULT CERTIFICATION .............................................................................................................................. 2 2 TEST SUMMARY ......................................................................................................................................................... 5 3 GENERAL INFORMATION ........................................................................................................................................ 6 3.1 GENERAL DESCRIPTION OF E.U.T. .................................................................................................................... 6 3.2 CHANNEL LIST .................................................................................................................................................... 7 3.3 TEST SITE ........................................................................................................................................................... 8 3.4 TEST SETUP CONFIGURATION ........................................................................................................................... 8 3.5 TEST CONFIGURATION ........................................................................................................................................ 9 4 EQUIPMENT DURING TEST ................................................................................................................................... 10 4.1 EQUIPMENTS LIST............................................................................................................................................. 10 4.2 MEASUREMENT UNCERTAINTY ......................................................................................................................... 13 4.3 DESCRIPTION OF SUPPORT UNITS ................................................................................................................... 14 5 CONDUCTED EMISSION ......................................................................................................................................... 15 5.1 E.U.T. OPERATION ........................................................................................................................................... 15 5.2 EUT SETUP ...................................................................................................................................................... 15 5.3 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .................................................................................. 16 5.4 MEASUREMENT PROCEDURE ........................................................................................................................... 16 5.5 CONDUCTED EMISSION LIMIT ........................................................................................................................... 16 5.6 MEASUREMENT DESCRIPTION .......................................................................................................................... 16 5.7 CONDUCTED EMISSION TEST RESULT ............................................................................................................. 16 6 RADIATED SPURIOUS EMISSIONS ..................................................................................................................... 17 6.1 EUT OPERATION .............................................................................................................................................. 17 6.2 TEST SETUP ..................................................................................................................................................... 18 6.3 SPECTRUM ANALYZER SETUP .......................................................................................................................... 19 6.4 TEST PROCEDURE ............................................................................................................................................ 20 6.5 SUMMARY OF TEST RESULTS .......................................................................................................................... 21 7 CONDUCT BAND EDGE AND SPURIOUS EMISSIONS MEASUREMENT ................................................... 32 7.1 TEST PROCEDURE ............................................................................................................................................ 32 7.2 TEST SETU…

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Page 1 of 47 Report No.: NCT260221234E1-2 FCC ID:2A7ZC-GBASE Duty Cycle Condition Mode Frequency (MHz) Antenna Duty Cycle (%) Correction Factor (dB) NVNT b 2412 Ant1 98.97 0.05 NVNT b 2437 Ant1 98.85 0.05 NVNT b 2462 Ant1 98.85 0.05 NVNT g 2412 Ant1 93.46 0.29 NVNT g 2437 Ant1 93.46 0.29 NVNT g 2462 Ant1 93.46 0.29 NVNT n20 2412 Ant1 93.06 0.31 NVNT n20 2437 Ant1 93.06 0.31 NVNT n20 2462 Ant1 93.01 0.31 Page 2 of 47 Report No.: NCT260221234E1-2 Duty Cycle NVNT b 2412MHz Ant1 Duty Cycle NVNT b 2437MHz Ant1 Duty Cycle NVNT b 2462MHz Ant1 Page 3 of 47 Report No.: NCT260221234E1-2 Duty Cycle NVNT g 2412MHz Ant1 Duty Cycle NVNT g 2437MHz Ant1 Page 4 of 47 Report No.: NCT260221234E1-2 Duty Cycle NVNT g 2462MHz Ant1 Duty Cycle NVNT n20 2412MHz Ant1 Page 5 of 47 Report No.: NCT260221234E1-2 Duty Cycle NVNT n20 2437MHz Ant1 Duty Cycle NVNT n20 2462MHz Ant1 Page 6 of 47 Report No.: NCT260221234E1-2 Page 7 of 47 Report No.: NCT260221234E1-2 Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Duty Factor (dB) Total Power (dBm) Limit (dBm) Verdict NVNT b 2412 Ant1 14.051 0.05 14.101 30 Pass NVNT b 2437 Ant1 13.875 0.05 13.925 30 Pass NVNT b 2462 Ant1 13.775 0.05 13.825 30 Pass NVNT g 2412 Ant1 13.239 0.29 13.529 30 Pass NVNT g 2437 Ant1 13.085 0.29 13.375 30 Pass NVNT g 2462 Ant1 13.601 0.29 13.891 30 Pass NVNT n20 2412 Ant1 12.996 0.31 13.306 30 Pass NVNT n20 2437 Ant1 12.783 0.31 13.093 30 Pass NVNT n20 2462 Ant1 12.523 0.31 12.833 30 Pass Page 8 of 47 Report No.: NCT260221234E1-2 Power NVNT b 2412MHz Ant1 Power NVNT b 2437MHz Ant1 Power NVNT b 2462MHz Ant1 Page 9 of 47 Report No.: NCT260221234E1-2 Power NVNT g 2412MHz Ant1 Power NVNT g 2437MHz Ant1 Page 10 of 47 Report No.: NCT260221234E1-2 Power NVNT g 2462MHz Ant1 Power NVNT n20 2412MHz Ant1 Page 11 of 47 Report No.: NCT260221234E1-2 Power NVNT n20 2437MHz Ant1 Power NVNT n20 2462MHz Ant1 Page 12 of 47 Report No.: NCT260221234E1-2 Page 13 of 47 Report No.: NCT260221234E1-2 -6dB Bandwidth Condition Mode Frequency (MHz) Antenna -6 dB Bandwidth (MHz) Limit -6 dB Bandwidth (MHz) Verdict NVNT b 2412 Ant1 9.06 0.5 Pass NVNT b 2437 Ant1 9.06 0.5 Pass NVNT b 2462 Ant1 9.09 0.5 Pass NVNT g 2412 Ant1 16.17 0.5 Pass NVNT g 2437 Ant1 16.17 0.5 Pass NVNT g 2462 Ant1 16.17 0.5 Pass NVNT n20 2412 Ant1 17.49 0.5 Pass NVNT n20 2437 Ant1 17.25 0.5 Pass NVNT n20 2462 Ant1 17.25 0.5 Pass Page 14 of 47 Report No.: NCT260221234E1-2 -6dB Bandwidth NVNT b 2412MHz Ant1 -6dB Bandwidth NVNT b 2437MHz Ant1 -6dB Bandwidth NVNT b 2462MHz Ant1 Page 15 of 47 Report No.: NCT260221234E1-2 -6dB Bandwidth NVNT g 2412MHz Ant1 -6dB Bandwidth NVNT g 2437MHz Ant1 Page 16 of 47 Report No.: NCT260221234E1-2 -6dB Bandwidth NVNT g 2462MHz Ant1 -6dB Bandwidth NVNT n20 2412MHz Ant1 Page 17 of 47 Report No.: NCT260221234E1-2 -6dB Bandwidth NVNT n20 2437MHz Ant1 -6dB Bandwidth NVNT n20 2462MHz Ant1 Page 18 of 47 Report No.: NCT260221234E1-2 Page 19 of 47 Report No.: NCT260221234E1-2 Occupied Channel Bandwidth Condition Mode Frequency (MHz) Antenna 99% OBW (MHz) NVNT b 2412 Ant1 11.838 NVNT b 2437 Ant1 11.778 NVNT b 2462 Ant1 11.868 NVNT g 2412 Ant1 16.633 NVNT g 2437 Ant1 16.603 NVNT g 2462 Ant1 16.603 NVNT n20 2412 Ant1 17.742 NVNT n20 2437 Ant1 17.802 NVNT n20 2462 Ant1 17.772 Page 20 of 47 Report No.: NCT260221234E1-2 OBW NVNT b 2412MHz Ant1 OBW NVNT b 2437MHz Ant1 OBW NVNT b 2462MHz Ant1 Page 21 of 47 Report No.: NCT260221234E1-2 OBW NVNT g 2412MHz Ant1 OBW NVNT g 2437MHz Ant1 Page 22 of 47 Report No.: NCT260221234E1-2 OBW NVNT g 2462MHz Ant1 OBW NVNT n20 2412MHz Ant1 Page 23 of 47 Report No.: NCT260221234E1-2 OBW NVNT n20 2437MHz Ant1 OBW NVNT n20 2462MHz Ant1 Page 24 of 47 Report No.: NCT260221234E1-2 Page 25 of 47 Report No.: NCT260221234E1-2 Maximum Power Spectral Density Level Condition Mode Frequency (MHz) Antenna Conduct PSD (dBm/3kHz) Duty Factor (dB) Total PSD (dBm/3kHz) Limit (dBm/3kHz) Verdict NVNT b 2412 Ant1 -17.168 0.05 -17.118 8 Pass NVNT b 2437 Ant1 -17.421 0.05 -17.371 8 Pass NVNT b 2462 Ant1 -17.502 0.05 -17.452 8 Pass NVNT g 2412 Ant1 -15.34 0.29 -15.05 8 Pass NVNT g 2437 Ant1 -15.168 0.29 -14.878 8 Pass NVNT g 2462 Ant1 -15.443 0.29 -15.153 8 Pass NVNT n20 2412 Ant1 -18.532 0.31 -18.222 8 Pass NVNT n20 2437 Ant1 -19.292 0.31 -18.982 8 Pass NVNT n20 2462 Ant1 -19.214 0.31 -18.904 8 Pass Page 26 of 47 Report No.: NCT260221234E1-2 PSD NVNT b 2412MHz Ant1 PSD NVNT b 2437MHz Ant1 PSD NVNT b 2462MHz Ant1 Page 27 of 47 Report No.: NCT260221234E1-2 PSD NVNT g 2412MHz Ant1 PSD NVNT g 2437MHz Ant1 Page 28 of 47 Report No.: NCT260221234E1-2 PSD NVNT g 2462MHz Ant1 PSD NVNT n20 2412MHz Ant1 Page 29 of 47 Report No.: NCT260221234E1-2 PSD NVNT n20 2437MHz Ant1 PSD NVNT n20 2462MHz Ant1 Page 30 of 47 Report No.: NCT260221234E1-2 Page 31 of 47 Report No.: NCT260221234E1-2 Band Edge Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT b 2412 Ant1 -47.11 -30 Pass NVNT b 2462 Ant1 -46.76 -30 Pass NVNT g 2412 Ant1 -40.4 -30 Pass NVNT g 2462 Ant1 -42.02 -30 Pass NVNT n20 2412 Ant1 -39.79 -30 Pass NVNT n20 2462 Ant1 -38.16 -30 Pass Page 32 of 47 Report No.: NCT260221234E1-2 Band Edge NVNT b 2412MHz Ant1 Ref Band Edge NVNT b 2412MHz Ant1 Emission Band Edge NVNT b 2462MHz Ant1 Ref Page 33 of 47 Report No.: NCT260221234E1-2 Band Edge NVNT b 2462MHz Ant1 Emission Band Edge NVNT g 2412MHz Ant1 Ref Page 34 of 47 Report No.: NCT260221234E1-2 Band Edge NVNT g 2412MHz Ant1 Emission Band Edge NVNT g 2462MHz Ant1 Ref Page 35 of 47 Report No.: NCT260221234E1-2 Band Edge NVNT g 2462MHz Ant1 Emission Band Edge NVNT n20 2412MHz Ant1 Ref Page 36 of 47 Report No.: NCT260221234E1-2 Band Edge NVNT n20 2412MHz Ant1 Emission Band Edge NVNT n20 2462MHz Ant1 Ref Page 37 of 47 Report No.: NCT260221234E1-2 Band Edge NVNT n20 2462MHz Ant1 Emission Page 38 of 47 Report No.: NCT260221234E1-2 Conducted RF Spurious Emission Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT b 2412 Ant1 -45.01 -30 Pass NVNT b 2437 Ant1 -45.75 …

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OEMGNSSAntennaHX-CSX245A(B5) HX-CSX245A(B5)isanembeddedmulti-constellation,multi-frequencyGNSSantennathatintegratesaGNSSantenna with4GandWiFiintoonecompactenclosure,meetingthecurrentdemandformulti-systemcompatibilityinsurveying equipment.Thecombinationofhigh-precisionGNSSpositioningand4G/WiFifunctionmakesitidealforapplications requiringprecisepositioning,suchasgeodeticsurveyingandmapping,hydrographicsurveying,waterwaysurveying, dredgingsurveys,seismicmonitoring,bridgedeformationmonitoring,landslidemonitoring,portcontaineroperations, andotherrelatedapplications. HIGHLYINTEGRATEDANTENNAFOREASYINTEGRATION HX-CSX245A(B5)integratesaGNSSantennawith4GandWiFiantennasintoa compactenclosure,simplifyingintegrationforRTKreceivermanufacturers.The isolationbetweendifferentantennasystemshasbeenextensivelyoptimizedto systematicallyaddresselectromagneticcompatibility(EMC)issuesthathavelong challengedRTKreceiverdesign.ThissignificantlysimplifiesRTKsystem integrationwhileensuringstableandreliableproductperformance. KeyFeatures SupportsGPS,GLONASS,Beidou, Galileo Supports4G/WiFi Stronganti-interferenceperformance incomplexenvironments Lowprofileandlightweight Powerfulsystemcompatibility,easy forintegration STABLEPHASECENTERFORROBUSTPOSITIONINGPERFORMANCE Itfeaturesmulti-pointfeedingcapability,guaranteeingareliablephasecenterfor millimeterpositioningaccuracy.The4Gantennaarrayisstrategicallydesigned, with4GantennasevenlydistributedaroundtheGNSSantennainasymmetrical structure.Thiseffectivelymitigatestheimpactofcommunicationantennason thepositioningantenna,ensuringtheconsistencyofthepositioningantenna's phasecenter. TRACKINGINCOMPLEXENVIRONMENTS Theantennadeliversexceptionalhigh-gainperformancewithminimalsignal loss,ensuringreliablesatellitesignaltracking.Itswidebeamwidthcoversa broadfrequencyrangewithhighmarginalgain,maintainingrobustsignal availabilityevenatlowelevations.Thismakesitanidealchoiceforcomplex environmentswithobstructions,suchastreecanopiesorbuildings,enablingfast satellitelockingandstableGNSSnavigationsignaloutput. RELIABLESTRUCTUREFORSTABLEPERFORMANCE Thisantennausesairdielectricandlow-lossmicrowaveboardmaterials.The overallweightisreduced,thestructureismorerobust,andtheelectrical performancebecomesmorestableandreliable. STRONGANTI-INTERFERENCEPERFORMANCE TheadvancedLNA(LowNoiseAmplifier)excelsinimprovedsignalfilteringand out-of-bandrejection,perfectlyrestrainingunwantedelectromagnetic interferences.Withstrongmulti-pathreductioncapacityforstrong OEM GNSSAntennaHX-CSX245A(B5) anti-interferenceperformance,consistentandreliableGNSSsignalscanbe achievedevenundercomplicatedenvironmentssuchaspowergrids, communicationbasestationsandbroadcaststations. Specifications PERFORMANCE(RoomTemperature) Signal Received GPSL1/L2/L5 BDSB1I/B2I/B3I/B1C/B2a/B2b GLONASSG1/G2/G3 GALILEOE1/E5a/E5b/E6 QZSSL1/L2/L5/L6 IRNSSL5 L-band GNSS: 1176-1278MHz；1525-1602MHz TestFrequency: (1176/1207/1227/1246/1268/1525/ 1561/1575/1602) Nominal Impedance 50 Ω Polarization RHCP PeakGain≥5dBi AxialRatio ≤3dB Phase Center Deviation ±2mm 4G Antenna (RoomTemperature) Frequency 820-960MHz /1710-2690MHz Nominal Impedance 50 Ω PeakGain 1dBi Efficiency 20 % VSWR 900MHz<6 1800MHz<6 1850MHz<6 1970MHz<6 WIFI /BT Antenna (RoomTemperature) Frequency 2402-2480MHz Nominal Impedance 50 Ω PeakGain 1dBi VSWR Test Frequency(2450)VSWR<2 LOW NOISEAMPLIFIER LNAGain L2:31±2dB L1:31±2dB NoiseFigure ≤2dB VSWR ≤2.0 Passband Ripple ±2dB GroupDelay Ripple ≤5ns OEMGNSSAntennaHX-CSX245A(B5) Operation Voltage +3.3～+12VDC Operation Current ≤45mA MECHANICAL Dimensions φ134*17.5mm(excludingconnector) Weight ≤100g Connector GNSS:MMCXFemale 4G/WIFI:IPEXFemale Mounting 6*M2.5screwsmounting ENVIRONMENTAL Operating Temperature -40°C～+85°C Storage Temperature -55°C～+85°C Humidity95%non-condensing GNSSAntennaPerformance Frequency（MHz）PeakGain(dBi) Gainat20°Low ElevationAngle (dBi) AxialRatio(dB) 1176 2.93-3.392.9 1207 4.26-2.432.31 1227 5.38-2.192.03 1248 5.66-1.622.09 1278 4.51-1.551.35 1559 5.04-1.610.92 1575 5.55-1.310.90 1610 5.44-1.380.58 OEMGNSSAntennaHX-CSX245A(B5) 1176MHz1227MHz 1278MHz1559MHz OEMGNSSAntennaHX-CSX245A(B5) 1575MHz1610MHz 4GAntennaPerformance Frequency (MHz) 8208909601710191021102410245024802690 Gain(dBi) -6.32-3.68-8.72-2.37-2.52-1.96-6.19-3.83-0.69-0.45 OEMGNSSAntennaHX-CSX245A(B5) 4GAntennaVSWR 820MHz960MHz 1710MHz2170MHz OEM GNSSAntennaHX-CSX245A(B5) 2300MHz2690MHz WIFI AntennaPerformance Frequency (MHz) 2402242024302440245024602470248024902500 Gain(dBi) 0.831.231.541.831.941.951.791.350.870.51 WIFIantennaVSWR OEMGNSSAntennaHX-CSX245A(B5) 2450MHz Structure&PhaseCenterDrawing(mm)（Undeclaredtolerance:±0.2mm） TopviewSideviewBottomview OEMGNSSAntennaHX-CSX245A(B5) LabelSize:15*30mm.Thelabelcontentformatisshowninthefigurebelow,wheretheS/Ncodeshallbe compiledaccordingtotheproceduredocumentsandtheactualsituation;thefigurebelowisfor illustrationpurposesonly. SurveyAntennaProducts Model:HX-CSX245A S/N:Cxxxxxxxxxxx HarxonCorporation 五系统全频内置测量天线HX-CSX245A(B5) 深圳市华信天线技术有限公司地址：深圳市南山区粤海街道深南大道9988号大族激光科技中心501电话：0…

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