2BFSK-RF18XRangefinder 18X

ROKFORM, LLC

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Application Details

Equipment Class: DTS - Digital Transmission System
Date of Grant: Jul 25, 2026
Application Purpose: Original Equipment
Equipment Note: Rangefinder 18X
Frequency Range: 2402.00000000 - 2480.00000000
Company: ROKFORM, LLC
Country: United States

Documents & Files

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

External Photos

SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-02 Rev 1.1 Page: 1 of 4 Appendix External Photos for GZCR2606001191AT SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-02 Rev 1.1 Page: 2 of 4 EUT Constructional Details (EUT Photos) SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-02 Rev 1.1 Page: 3 of 4 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-02 Rev 1.1 Page: 4 of 4 - End of the Appendix -

Internal Photos

SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-03 Rev 1.1 Page: 1 of 10 Appendix Internal Photos for GZCR2606001191AT SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-03 Rev 1.1 Page: 2 of 10 EUT Constructional Details (EUT Photos) SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-03 Rev 1.1 Page: 3 of 10 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-03 Rev 1.1 Page: 4 of 10 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-03 Rev 1.1 Page: 5 of 10 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-03 Rev 1.1 Page: 6 of 10 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-03 Rev 1.1 Page: 7 of 10 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-03 Rev 1.1 Page: 8 of 10 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-03 Rev 1.1 Page: 9 of 10 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-03 Rev 1.1 Page: 10 of 10 - End of the Appendix -

RF Exposure Info

SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-TRF-03 Rev 2.0 Report No.:GZCR260600119103 Page: 1 of 9 FCC ID: 2BFSK-RF18X RF EXPOSURE EVALUATION REPORT Application No.: GZCR2606001191AT Applicant:ROKFORM LLC Address of Applicant:16180 Scientific Irvine, CA 92618 USA Manufacturer:BIHU JIAXIAO PHOTOELECTRIC TECHNOLOGY(CHONGQING)CO.,LTD Address of Manufacturer:B1 BUILDING, NO.105, YUNHAN AVENUE, BEIBEI DISTRICT, CHONGQING, CHINA Factory:BIHU JIAXIAO PHOTOELECTRIC TECHNOLOGY(CHONGQING)CO.,LTD Address of Factory:B1 BUILDING, NO.105, YUNHAN AVENUE, BEIBEI DISTRICT, CHONGQING, CHINA Product Name:Rangefinder 18X Model No.: Rangefinder 18X Trade Mark:ROKFORM Standard(s) : KDB 447498 D01 V06 47 CFR Part 1.1310 Date of Receipt: 2026-06-18 Date of Evaluation: 2026-07-24 to 2026-07-24 Date of Issue: 2026-07-24 Evaluation Result: Pass* * In the configuration evaluated, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-TRF-03 Rev 2.0 Report No.:GZCR260600119103 Page: 2 of 9 Revision Record VersionReport No.DateRemark 01GZCR2606001191032026-07-24Original Authorized for issue by: Damon Guan/Project Engineer Approved By Vico Cui/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-TRF-03 Rev 2.0 Report No.:GZCR260600119103 Page: 3 of 9 2Evaluation Summary ItemStandardMethodRequirementResult RF Exposure KDB 447498 D01 V06 KDB 447498 D01 V0647 CFR Part 1.1310Pass Note: E.U.T./EUT means Equipment Under Test. Pass means the test result passed the test standard requirement, please find the detailed decision rule in the report relative section. SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-TRF-03 Rev 2.0 Report No.:GZCR260600119103 Page: 4 of 9 3Contents Page 1Cover Page...............................................................................................................................................1 2Evaluation Summary................................................................................................................................3 3Contents....................................................................................................................................................4 4General Information.................................................................................................................................5 4.1Details of E.U.T.................................................................................................................................5 4.2Evaluating Location...........................................................................................................................5 4.3Facility...............................................................................................................................................6 4.4Deviation from Standards..................................................................................................................6 4.5Abnormalities from Standard Conditions...........................................................................................6 5Technical Requirements Specification..................................................................................................7 5.1General Description of Applied Standards........................................................................................7 5.2RF Exposure Evaluation....................................................................................................................7 5.2.1Limit & Test Method......................................................................................................................7 5.2.2Conclusion....................................................................................................................................8 6EUT Constructional Details (EUT Photos).............................................................................................9 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-TRF-03 Rev 2.0 Report No.:GZCR260600119103 Page: 5 of 9 4General Information 4.1Details of E.U.T. Power supply:DC 3V with CR2032 button cell. Cable(s):None. Operation Frequency:2402MHz to 2480MHz Modulation Type:GFSK Number of Channels:40 Channel Spacing:2MHz Antenna Type:Ceramic Antenna Antenna Gain:2.70dBi Antenna Number:1 Remark: The information in this section is provided by the applicant or manufacturer, SGS is not liable to the accuracy, suitability, reliability or/and integrity of the information. 4.2Evaluating Location All tests were performed at: SGS-CSTC Standards Technical Services Co., Ltd., Guangzhou Branch EMC Laboratory, No.198, Kezhu Road, Science City, Economic & Technological Development Area, Guangzhou, Guangdong, China 510663 Tel: +86 20 82155555 No tests were sub-contracted. SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-TRF-03 Rev 2.0 Report No.:GZCR260600119103 Page: 6 of 9 4.3Facility The facility is recognized, certified, or accredited by the following organizations: ● ACMA SGS-CSTC Standards Technical Services Co., Ltd., EMC Laboratory can also perform testing for the Australian/New Zealand Regulatory Compliance Mark (RCM). ● SGS UK(Certificate No.: 32), SGS-TUV SAARLAND and SGS-FIMKO Have approved SGS-CSTC Standards Technical Services Co., Ltd., EMC Laboratory as a supplier of EMC TESTING SERVICES and SAFETY TESTING SERVICES. ● FCC Recognized Accredited Test Firm(Registration No.: 486818) SGS-CSTC Standards Technical Services Co., Ltd., EMC Laboratory has been accredited and fully described in a report filed with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. Designation Number: CN5016, Test Firm Registration Number: 486818. ● ISED (Registration No.: 4620B, CAB identifier: CN0052) SGS-CSTC Standards Technical Services Co., Ltd., has been registered by Innovation Science and Economic Development Ca…

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Test Report

2.4GHz 3216 Chip Antenna: RANT3216F245X06 _ Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT3216F245X (A)(B)(C)(D)(E) ElectricalSpecificatio 06 (F) n ThespecificationisdefinedonEVB. DimensionandTerminalConfiguration No.TerminalName 1Feeding/GNG 2GND/Feeding (A)ProductTypeChipAntenna (B)SizeCode 3.2x1.6mm( ± 0.2mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=06 WorkingFrequencyRange2400~2500MHz Bandwidth120MHz(Min.) PeakGain2.7dBi(Typ.) Impedance50Ohm Returnloss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature( °C )-40~85 °C ResistancetoSolderingHeats 10sec.(@280 °C ) TerminationNi/Au(Leadless) Dimension(mm) L 3.20±0.20 W 1.60±0.20 T 0.45±0.20 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd. 7/F,BuildingF,ZhichuangPark,Tong'an,Gushu,Shenzhen  2.4GHz 3216 Chip Antenna: RANT3216F245X06 _ 1 EvaluationBoardReference PCBDimensionAntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss&Radiation ReturnLoss Frequency(MHz) S11(dB) 2400-10.50 2450-30.62 2500-11.47 Radiation X Y Z 2.4GHz 3216 Chip Antenna: RANT3216F245X06 _ TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 32167”5K/Reel 9.0±0.5 60±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTψDP PaperType3216 1.90±0.203.50±0.208.0±0.201.75±0.103.5±0.054.0±0.102.0±0.050.75±0.10 1.50±0.10 4.0±0.1 _ 2.4GHz 3216 Chip Antenna: RANT3216F245X06 Reliability Table TestItemProcedure Requirements CeramicType Remark (Reference) Electrical Characterization Fulfilltheelectrical specification UserSpec. Thermal Shock 1.Preconditioning: 50±10°C/1hr,thenkeepfor24±1hrsatroomtemp. 2.Initialmeasure:Spec:referInitialspec. 3.Rapidchangeoftemperaturetest: -30°Cto+85°C;100cycles; 15minutesatLowercategorytemperature; 15minutesatUppercategorytemperature. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 107 Temperature Cycling 1.Initialmeasure:Spec:referInitialspec. 2.100Cycles(-30°Cto+85°C),SoakMode=1(2Cycle/hours). 3.Measurementat24±2Hoursaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. JESD22 JA104 HighTemperature Exposure 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered;500hours@T=+85°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 LowTemperature Storage 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered:500hours@T=-30°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 Solderability (SMDBottomSide) Dippingmethod: a.Temperature:235±5°C b.Dippingtime:3±0.5s Thesoldershouldcover over95%ofthecritical areaofbottomside. IEC60384-21/22 4.10 SolderingHeat Resistance (RSH) Preheatingtemperature:150±10°C. Preheatingtime:1~2min. Soldertemperature:260±5°C. Dippingtime:5±0.5s NoVisibleDamage.IEC60384-21/22 4.10 Vibration5g'sfor20min.,12cycleseachof3orientations Note:Use8"X5"PCB.031"thick7securepointson,onelong sideand2securepointsatcornersofoppositesides.Parts mountedwithin2"fromanysecurepoint.Testfrom10-2000 Hz. NoVisibleDamage.MIL-STD-202 Method204 Mechanical Shock Threeshocksineachdirectionshallbeappliedalongthethree mutuallyperpendicularaxesofthetestspecimen(18shocks) Peakvalue:1,500g’s Duration:0.5ms Velocitychange:15.4ft/s Waveform:Half-sine NoVisibleDamage.MIL-STD-202 Method213 Humidity Bias 1.Humidity:85%R.H.,Temperature:85±2°C. 2.Time:500±24hours. 3.Measurementat24±2hrsaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 Method106 2.4GHz 3216 Chip Antenna: RANT3216F245X06 _ Board Flex (SMD) 1.Mountingmethod: IR-Reflow.PCBSize(L:100×W:40×T:1.6mm) 2.Applytheloadindirectionofthearrowuntilbendingreaches 2mm. NoVisibleDamage.AEC-Q200 005 AdhesionForceof1.8Kgfor60seconds.NoVisibleDamage Magnificationof20Xor greatermaybeemployed forinspectionofthe mechanicalintegrityofthe devicebodyterminalsand body/terminaljunction. AEC-Q200 006 Physical Dimension Anyapplicablemethodusingx10magnification,micrometers, calipers,gauges,contourprojectors,orothermeasuring equipment,capableofdeterminingtheactualspecimen dimensions. Inaccordancewith specification. JESD22 JB100 RevisionHistory RevisionDateContent 12019/03/01NewDatasheet 22020/02/22Add2Dradiationcharacteristic

Test Report

SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-TRF-01 Rev 2.1 Report No.:GZCR260600119102 Page: 1 of 57 FCC ID: 2BFSK-RF18X TEST REPORT Application No.: GZCR2606001191AT Applicant: ROKFORM LLC Address of Applicant: 16180 Scientific Irvine, CA 92618 USA Manufacturer: BIHU JIAXIAO PHOTOELECTRIC TECHNOLOGY(CHONGQING)CO.,LTD Address of Manufacturer: B1 BUILDING, NO.105, YUNHAN AVENUE, BEIBEI DISTRICT, CHONGQING, CHINA Factory: BIHU JIAXIAO PHOTOELECTRIC TECHNOLOGY(CHONGQING)CO.,LTD Address of Factory: B1 BUILDING, NO.105, YUNHAN AVENUE, BEIBEI DISTRICT, CHONGQING, CHINA Product Name: Rangefinder 18X Model No.: Rangefinder 18X Trade Mark: ROKFORM Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2026-06-18 Date of Test: 2026-07-07 to 2026-07-24 Date of Issue: 2026-07-24 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-TRF-01 Rev 2.1 Report No.:GZCR260600119102 Page: 2 of 57 Revision Record Version Report No. Date Remark 01 GZCR260600119102 2026-07-24 Original Authorized for issue by: Damon Guan/Project Engineer Approved By Vico Cui/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-TRF-01 Rev 2.1 Report No.:GZCR260600119102 Page: 3 of 57 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Antenna Requirement 47 CFR Part 15, Subpart C 15.247 N/A 47 CFR Part 15, Subpart C 15.203 & 15.247(b)(4) Pass Radio Spectrum Matter Part Item Standard Method Requirement Result Radiated Emissions which fall in the restricted bands 47 CFR Part 15, Subpart C 15.247 ANSI C63.10- 2020+Cor.1-2023 Section 6.10.5 & 11.12 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Below 1GHz ANSI C63.10- 2020+Cor.1-2023 Section 6.4,6.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions Above 1GHz ANSI C63.10- 2020+Cor.1-2023 Section 6.6 & 11.12 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Maximum Conducted Output Power ANSI C63.10- 2020+Cor.1-2023 Section 11.9.1 47 CFR Part 15, Subpart C 15.247(b)(3) Pass Minimum 6dB Bandwidth ANSI C63.10- 2020+Cor.1-2023 Section 11.8.1 47 CFR Part 15, Subpart C 15.247a(2) Pass Power Spectral Density ANSI C63.10- 2020+Cor.1-2023 Section 11.10.3 47 CFR Part 15, Subpart C 15.247(e) Pass Conducted Band Edges Measurement ANSI C63.10- 2020+Cor.1-2023 Section 6.10.4 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions ANSI C63.10- 2020+Cor.1-2023 Section 11.11 47 CFR Part 15, Subpart C 15.247(d) Pass Note: E.U.T./EUT means Equipment Under Test. Pass means the test result passed the test standard requirement, please find the detailed decision rule in the report relative section. N/A means Not applicable, please find the detailed decision rule in the report relative section. SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-TRF-01 Rev 2.1 Report No.:GZCR260600119102 Page: 4 of 57 3 Contents Page 1 Cover Page ................................................................................................................................................. 1 2 Test Summary ............................................................................................................................................ 3 3 Contents ..................................................................................................................................................... 4 4 General Information ................................................................................................................................... 6 4.1 Details of E.U.T. .................................................................................................................................. 6 4.2 Description of Support Units ............................................................................................................... 6 4.3 Measurement Uncertainty ................................................................................................................... 7 4.4 Test Location ....................................................................................................................................... 7 4.5 Test Facility ......................................................................................................................................... 8 4.6 Deviation from Standards .................................................................................................................... 8 4.7 Abnormalities from Standard Conditions ............................................................................................ 8 5 Equipment List ........................................................................................................................................... 9 6 Radio Spectrum Technical Requirement .............................................................................................. 11 6.1 Antenna Requirement ....................................................................................................................... 11 6.1.1 Test Requirement: ........................................................................................................................ 11 6.1.2 Conclusion .................................................................................................................................... 11 7 Radio Spectrum Matter Test Results ..................................................................................................... 12 7.1 Radiated Emissions which fall in the restricted bands ...................................................................... 12 7.1.1 E.U.T. Operation ........................................................................................................................... 12 7.1.2 Test Mode Description .........................................................................…

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Test Setup Photos

SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-04 Rev 1.1 Page: 1 of 5 Appendix Test Setup Photo for GZCR260600119102 Test Model No.: Rangefinder 18X SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-04 Rev 1.1 Page: 2 of 5 Test Setup Photo Radiated Emissions which fall in the restricted bands SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-04 Rev 1.1 Page: 3 of 5 Radiated Spurious Emissions Below 1GHz SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-04 Rev 1.1 Page: 4 of 5 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-04 Rev 1.1 Page: 5 of 5 Radiated Spurious Emissions Above 1GHz - End of the Appendix -

Contact Information

Applicant

Jeff Whitten(Manager)

[email protected]Fax: N/A

Technical Contact

ROKFORM, LLCJeff Whitten

[email protected]Fax: N/A

16180 Scientific · Irvine, California, 92618 · United States

Test Firm

SGS-CSTC Standards Technical Services Co., Ltd.Bonnie Liao

[email protected]

Technical Specifications

#	Rule Parts	Frequency Range	Power Output
1	15C	2.40 GHz - 2.48 GHz	900.00 µW

Confidentiality

Long Term

Grant Notes

Power Output listed is conducted. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.