2BRG5RF-ST-FL-001A smart tumbler for water intake measurement

RECYCLEFARM KOREA Inc.

Application Details

Equipment Class: DTS - Digital Transmission System
Date of Grant: Sep 19, 2025
Application Purpose: Original Equipment
Equipment Note: A smart tumbler for water intake measurement
Frequency Range: 2402.00000000 - 2480.00000000
Company: RECYCLEFARM KOREA Inc.
Country: South Korea

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.

Attestation Statements

RECYCLEFARM KOREA Inc. Add: 47, Gangnam-daero 112-gil, Gangnam-gu, Seoul, South Korea Aug 21, 2025 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 In re : RECYCLEFARM KOREA Inc. FCC Application for FCC ID : 2BRG5RF-ST-FL-001 To whom it may concern: We, the undersigned, hereby attest to the fact that we will apply the Supplier’s Declaration of Conformity procedure to the class B computer peripheral portion of this composite filing. We hereby certify that the Supplier's conformity declaration procedure will be applied to the NFC receiving antenna of this composite document. Sincerely, Lee JiSeok / Manager RECYCLEFARM KOREA Inc.

Attestation Statements

Rev 1/26/2023 Company: RECYCLEFARM KOREA Inc. Add: 47, Gangnam-daero 112-gil, Gangnam-gu, Seoul, South Korea Zip code: 06121 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 12-08-2025 Ref: Attestation Statements Part 2.911(d)(7) Filing Grantee Code: [2BRG5] Applicant FRN: [0037354610] FCC ID or: [2BRG5RF-ST-FL-001] [RECYCLEFARM KOREA Inc.] Certifies that, as of the date of the filing of the application, [FCC US Agent, LLC] is our designated U.S. agent for service of process for the above referenced FCC ID. [RECYCLEFARM KOREA Inc.] accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. [FCC US Agent, LLC] accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: [FCC US Agent, LLC] FRN (If the U.S. agent has an FRN): [0033402884] Address: [3722 Illinois Avenue, Saint Charles, IL, 60174, USA] Contact Person: [Tim Payne] Tel.: [708-571-3148] Email: [[email protected]] Sincerely, RECYCLEFARM KOREA Inc. FCC US Agent, LLC LeeJiseok Tim Payne [Insert Applicant signature] [U.S. Agent signature]

Attestation Statements

Rev 1/26/2023 Company: RECYCLEFARM KOREA Inc. Add: 47, Gangnam-daero 112-gil, Gangnam-gu, Seoul, South of Korea Zip code: 06121 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 13-08-2025 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2BRG5RF-ST-FL-001 [RECYCLEFARM KOREA Inc.] (“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. [RECYCLEFARM KOREA Inc.] (“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). Device is inherently compliant based on hardware limitations or software controls. or A Software Bill of Materials (SBOM) is provided to the TCB for review, and The end-user or third parties cannot install additional software on this device. Sincerely, Lee Jiseok / Manager RECYCLEFARM KOREA Inc. Rev 1/26/2023 Company: RECYCLEFARM KOREA Inc. Add: 47, Gangnam-daero 112-gil, Gangnam-gu, Seoul, South of Korea Zip code: 06121 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 13-08-2025 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2BRG5RF-ST-FL-001 [RECYCLEFARM KOREA Inc] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, Lee Jiseok / Manager RECYCLEFARM KOREA Inc.

Cover Letter(s)

RECYCLEFARM KOREA Inc. Add: 47, Gangnam-daero 112-gil, Gangnam-gu, Seoul, South Korea Aug 21, 2025 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 In re : RECYCLEFARM KOREA Inc. FCC ID : 2BRG5RF-ST-FL-001 Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules (CFR 47), RECYCLEFARM KOREA Inc. hereby requests confidentiality and treatment of certain information accompanying this application. The materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We are also hereby request Short-Term Confidentiality for 180 days after the grant as outlined in Public Notice DA 04-1705. This provision will give RECYCLEFARM KOREA Inc. commporary confidentiality of commercially sensitive information prior to product release. The requested Confidential and Temporary Confidential exhibits are listed as follows: Exhibit Type File Name CONFIDENTIAL Schematics CONF APPENDIX 2BRG5RF-ST-FL-001 SCH.pdf Parts list CONF APPENDIX 2BRG5RF-ST-FL-001 PL.pdf Block diagram CONF APPENDIX 2BRG5RF-ST-FL-001 BLK DIA.pdf Operational description CONF APPENDIX 2BRG5RF-ST-FL-001 OpDes.pdf SHORT-TERM CONFIDENTIAL External Photos SHORT-TERM CONF 2BRG5RF-ST-FL-001 EXT Photo.pdf Internal Photos SHORT-TERM CONF 2BRG5RF-ST-FL-001 INT Photo.pdf Test-Setup Photos SHORT-TERM CONF 2BRG5RF-ST-FL-001 Test Photo.pdf User’s Manual SHORT-TERM CONF 2BRG5RF-ST-FL-001 Manual.pdf The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be made public before the date of the Grant for this application. Sincerely, Lee JiSeok / Manager RECYCLEFARM KOREA Inc.

Cover Letter(s)

RECYCLEFARM KOREA Inc. Add: 47, Gangnam-daero 112-gil, Gangnam-gu, Seoul, South Korea Aug 21, 2025 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 LETTER OF AUTHORIZATION To whom it may concern: We, the undersigned, hereby authorize LTA Co., Ltd., to act on our behalf in all manners relating to application for equipment authorization for FCC ID: 2BRG5RF-ST-FL-001 including signing of all documents relating to these matters. Any and all acts carried out by LTA Co., Ltd., on our behalf shall have the same affect as acts of our own. This authorization is valid until further written notice from RECYCLEFARM KOREA Inc. LTA Co.,LTD. (Contact Person) Contact name: Eun-Hwan Jung Position: Manager Phone:(82)31-323-6008 E-mail: [email protected] Sincerely, Lee JiSeok / Manager RECYCLEFARM KOREA Inc.

Cover Letter(s)

Date: September 8, 2025 Applicant Name Lee Jiseok Company RECYCLEFARM KOREA Inc. Declaration of Derived Certification Model Applicant Name Lee Jiseok Company RECYCLEFARM KOREA Inc. Company address 47, Gangnam-daero 112-gil, Gangnam-gu, Seoul, South Korea Date: September 8, 2025 Base Model Name: RF-ST-FL-001 Derived Model Name: RF-ST-CP-001 Manufacturer: I-Synapse CO., Ltd. Country of Manufacture: South Korea ⚫ Reason for Derivation and Detailed Information ◆ Reason for Derivation: □ Color Change □ Appearance Change □ Software Modification ■ Other ◆ Details: The base model, RF-ST-FL-001, is a product that includes both a tumbler and a cap. In contrast, the derived model, RF-ST-CP-001, includes only the cap without the tumbler. The difference between the two models lies in whether the tumbler is included. ⚫ FCC ID: 2BRG5RF-ST-FL-001

ID Label/Location Info

RF Exposure Info

Ref. No.: LR500112509B LP19-080(0) Copyright © 2025, LTA Co., Ltd. Page 1 of 7 243 Jubug-Ri,Yangji-Myeon, Yongin-Si, Gyeonggi-Do, Korea 17159 Tel: +82-31-323-6008 Fax: +82-31-323-6010 http://www.ltalab.com Dates of Tests: Aug 01, 2025 ~ Aug 21,2025 Test Report S/N: LR500112509B Test Site : LTA CO., LTD. CERTIFICATION OF COMPLIANCE FCC ID. APPLICANT Equipment Class : Digital Transmission System (DTS) Manufacturing Description : A smart tumbler for water intake measurement. Manufacturer : I-Synapse CO., Ltd. Model name : RF-ST-FL-001 Variant Model name : RF-ST-CP-001 Test Device Serial No.: : Identical prototype Rule Part(s) : FCC Part 15.247 Subpart C ; ANSI C63.10 - 2020 Frequency Range : 2402 ~ 2480 MHz BLE Max. Output Power : Max -1.51 dBm - Conducted Data of issue : Sep 02 ,2025 This test report is issued under the authority of: The test was supervised by: Eun-Hwan Jung, Manager In-Sun Lee, Test Engineer 2BRG5RF-ST-FL-001 RECYCLEFARM KOREA Inc. Ref. No.: LR500112509B LP19-080(0) Copyright © 2025, LTA Co., Ltd. Page 2 of 7 Revision history Revision Date of issue Description Revised by -- Sep 02 ,2025 Initial - TABLE OF CONTENTS 1. GENERAL INFORMATION --------------------------------------------------------------------------- - 2. INFORMATION ABOUT TEST ITEM --------------------------------------------------------------- 3. TEST REPORT ------------------------------------------------------------------------------------------- -- 3.1 SUMMARY OF TESTS ----------------------------------------------------------------------------- - 3.2 RF EXPOSURE EVULATION------------------------------------------------------------------------- -- 3 4 5 5 6 Ref. No.: LR500112509B LP19-080(0) Copyright © 2025, LTA Co., Ltd. Page 3 of 7 1. General information 1-1 Test Performed Company name : LTA Co., Ltd. Address : 243, Jubug-ri,Yangji-Myeon,Youngin-Si, Kyunggi-Do, Korea. 449-822 Web site : http://www.ltalab.com E-mail : [email protected] Telephone : +82-31-323-6008 Facsimile : +82-31-323-6010 Quality control in the testing laboratory is implemented as per ISO/IEC 17025 which is the “General requirements for the competents of calibration and testing laboratory”. 1-2 Accredited agencies LTA Co., Ltd. is approved to perform EMC testing by the following agencies: Agency Country Accreditation No. Validity Reference RRA KOREA KR0049 - EMC accredited Lab. FCC U.S.A 649054 2027-03-29 FCC CAB VCCI JAPAN C-4948, 2026-09-10 VCCI registration VCCI JAPAN T-2416, 2026-09-10 VCCI registration VCCI JAPAN R-4483(10 m), 2026-10-15 VCCI registration VCCI JAPAN G-847 2025-12-13 VCCI registration IC CANADA 5799A-1 2026-08-15 IC filing Ref. No.: LR500112509B LP19-080(0) Copyright © 2025, LTA Co., Ltd. Page 4 of 7 2. Information about test item 2-1 Client & Manufacturer Client Company name : RECYCLEFARM KOREA Inc. Address : 47, Gangnam-daero 112-gil, Gangnam-gu, Seoul, South Korea Tel / Fax : +82-70-4334-0019 / +82-31-8017-9066 Manufacturer I-Synapse CO., Ltd. Address 1005-ho,, 26, Seongsuil-ro 10-gil, Seongdong-gu, Seoul, 04793, Republic of Korea Tel / Fax +82-70-4110-7531 / +82-508-931-6044 2-2 Equipment Under Test (EUT) Model name : RF-ST-FL-001 Serial number : Identical prototype Date of receipt : Aug 01, 2025 EUT condition : Pre-production, not damaged Antenna type : Pattern Antenna (Gain : 2.0 dBi) Frequency Range : 2402 ~ 2480 MHz RF output power : Max -1.51 dBm – Conducted Type of Modulation : GFSK Power Source : DC 3.7 V 2-3 Tested frequency Bluetooth LOW MID HIGH Frequency (MHz) 2402 2440 2480 2-4 Ancillary Equipment Equipment Model No. Serial No. Manufacturer Notebook - MS-1736 MSI Ref. No.: LR500112509B LP19-080(0) Copyright © 2025, LTA Co., Ltd. Page 5 of 7 3. Test Report 3.1 Summary of tests FCC Part Section(s) Parameter Limit Test Condition Status (note 1) §1.1310 and §2.1091 RF EXPOSURE EVULATION - - C Note 1: C=Complies NC=Not Complies NT=Not Tested NA=Not Applicable - Ref. No.: LR500112509B LP19-080(0) Copyright © 2025, LTA Co., Ltd. Page 6 of 7 3.2 RF EXPOSURE EVULATION 1.1 Limit According to §1.1310 and §2.1091 RF exposure is calculated. (B) Limits for General Population/Uncontrolled Exposures Frequency range (MHz) Electric field Strength (V/m) Magnetic field Strength (A/m) Power density (mW/cm²) Averaging time (minutes) 1.34 - 30....................................... 824/f 2.19/f *(180/ f²) 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 * = Plane-wave equivalent power density 1.2 MAXIMUM PERMISSIBLE EXPOSURE Prediction Prediction of MPE limit at a given distance Power density at the specific separation: S = PG/(4R 2 π) Where, S = Maximum power density (mW/cm 2 ) P = Power input to the antenna (mW) G = Numeric power gain of the antenna R = Distance to the center of the radiation of the antenna (20 cm = limit for MPE) S = (0.71 * 1.58) / (4 * 5 2 * π) S = 0.000 2 mW/cm 2 Ref. No.: LR500112509B LP19-080(0) Copyright © 2025, LTA Co., Ltd. Page 7 of 7 1.3 MAXIMUM PERMISSIBLE EXPOSURE Prediction - Calculated under the worst-case conditions of each mode. (Measured power 3 dBm ± 0.5dB) 2.4GHz Mode SAR Test exclusion thresholds for 100MHz to 6GHz at test separation distance ≤ 5 mm = Used [(max.power of channel, including tune-up torelance, mW)/(min. test separation distance, mm)] * [√f(GHz)] = [0.71 / 5 ] * [ √2.402 ] = 0.22 ≤ 3.0, for 1g SAR Thus, SAR for this device is not required. Max Peak output Power at antenna input terminal -1.51 dBm Max Peak output Power at antenna input terminal 0.71 mW Prediction distance 5 mm Prediction frequency 2402 MHz Antenna Gain(typical) 2.00 dBi Antenna Gain(numeric) 1.58 -

Test Report

A unique Bluetooth PCB antenna design exclusively for RF-ST-FL-001. It describes a 2.4 GHz PCB antenna in the form of an exclusively for RF-ST-FL-001 I-Synapse CO., Ltd. Manufacturing company: I-Synapse CO., Ltd. Add.: 1005-ho, 26, Seongsuil-ro 10-gil, Seongdong-gu, Seoul, 04793, Republic of Korea Measurement laboratory: EMTI Add.: 3, Mokdongjungang-ro 13na-gil, Yangcheon-gu, Seoul, Republic of Korea 1. Antenna Layout 2. Antenna Placement Length (mm) A. 2.192 G. 5.741 B. 3.467 H. 4.120 C. 4.632 I. 3.838 D. 4.472 J. 1.116 E. 12.000 K. 4.251 F. 4.472 Width (mm) Thickness 0.5 1 Oz (0.0348) 3. Antenna Gain min max avg SN01-EUT flat vertical Polarization Gain(dBi) -33.4 -6.5 -13.2 Horizontal Polarization Gain(dBi) -37.5 -0.2 -9.6 SN01-EUT side vertical Polarization Gain(dBi) -35.4 -4.1 -10.8 Horizontal Polarization Gain(dBi) -38.7 -2.8 -11.2 SN01-EUT vertical vertical Polarization Gain(dBi) -12.3 +0.5 -4.2 Horizontal Polarization Gain(dBi) -28.5 -4.9 -14.6 SN02-EUT flat vertical Polarization Gain(dBi) -34.6 -1.8 -9.7 Horizontal Polarization Gain(dBi) -32.4 -2.6 -9.4 SN02-EUT side vertical Polarization Gain(dBi) -23.4 -5.2 -10.2 Horizontal Polarization Gain(dBi) -28.2 -2.8 10.4 SN02-EUT vertical vertical Polarization Gain(dBi) -12.0 +2.0 -4.3 Horizontal Polarization Gain(dBi) -28.0 -5.8 -12.2 4. Tuning The printed antenna was designed to provide a 50-ohm output. Antenna Matcing Components 5. Antenna Performance 5.1 Simulation of the antenna gain pattern The antenna was designed using OrCAD. The antenna gain pattern was simulated, and the displayed gain is the absolute sum of both polarizations. 5.2 Effects of Manufacturing Variations The two antennas were designed to have sufficient bandwidth margin to maintain performance despite manufacturing tolerances. The following figure shows that good matching is still achieved even when the dielectric constant varies between 4.3 and 4.8, and when the board thickness varies by ±3 mil. Effects of Manufacturing Tolerances 5.3 Measured Antenna Patterns The antenna patterns were measured on prototype boards in a 5-meter anechoic chamber. Patterns were measured in three orthogonal planes for both polarizations.

Test Report

Ref. No.: LR500112509A LP19-080(0) Copyright © 2025, LTA Co., Ltd. Page 1 of 30 243 Jubug-Ri,Yangji-Myeon, Yongin-Si, Gyeonggi-Do, Korea 17159 Tel: +82-31-323-6008 Fax: +82-31-323-6010 http://www.ltalab.com Dates of Tests: Aug 01, 2025 ~ Aug 21,2025 Test Report S/N: LR500112509A Test Site : LTA CO., LTD. CERTIFICATION OF COMPLIANCE FCC ID. APPLICANT Equipment Class : Digital Transmission System (DTS) Manufacturing Description : A smart tumbler for water intake measurement. Manufacturer : I-Synapse CO., Ltd. Model name : RF-ST-FL-001 Variant Model name : RF-ST-CP-001 Test Device Serial No.: : Identical prototype Rule Part(s) : FCC Part 15.247 Subpart C ; ANSI C63.10 - 2020 Frequency Range : 2402 ~ 2480 MHz BLE Max. Output Power : Max -1.51 dBm - Conducted Data of issue : Sep 02 ,2025 This test report is issued under the authority of: The test was supervised by: Eun-Hwan Jung, Manager In-Sun Lee, Test Engineer 2BRG5RF-ST-FL-001 RECYCLEFARM KOREA Inc. Ref. No.: LR500112509A LP19-080(0) Copyright © 2025, LTA Co., Ltd. Page 2 of 30 Revision history Revision Date of issue Description Revised by -- Sep 02 ,2025 Initial - TABLE OF CONTENTS 1. GENERAL INFORMATION -------------------------------------------------------------------------- 2. INFORMATION ABOUT TEST ITEM ------------------------------------------------------------- 3. TEST REPORT ------------------------------------------------------------------------------------------ 3.1 SUMMARY OF TESTS ---------------------------------------------------------------------------- 3.2 TECHNICAL CHARACTERISTICS TEST ---------------------------------------------------- 3.2.1 6 dB BANDWIDTH -------------------------------------------------------------------------- 3.2.2 PEAK OUTPUT POWER -------------------------------------------------------------------- 3.2.3 POWER SPECTRAL DENSITY ------------------------------------------------------------ 3.2.4 BAND EDGE ---------------------------------------------------------------------------------- 3.2.5 CONDUCTED SPURIOUS EMISSIONS ------------------------------------------------- 3.2.6 RADIATED SPURIOUS EMISSIONS ---------------------------------------------------- 3.2.7 AC CONDUCTED EMISSIONS ----------------------------------------------------------- APPENDIX APPENDIX TEST EQUIPMENT USED FOR TESTS -------------------------------------------- 3 4 5 5 6 6 8 10 12 14 16 28 29 Ref. No.: LR500112509A LP19-080(0) Copyright © 2025, LTA Co., Ltd. Page 3 of 30 1. General information 1-1 Test Performed Company name : LTA Co., Ltd. Address : 243, Jubug-ri,Yangji-Myeon,Youngin-Si, Kyunggi-Do, Korea. 17159 Web site : http://www.ltalab.com E-mail : [email protected] Telephone : +82-31-323-6008 Facsimile +82-31-323-6010 Quality control in the testing laboratory is implemented as per ISO/IEC 17025 which is the “General requirements for the competents of calibration and testing laboratory”. 1-2 Accredited agencies LTA Co., Ltd. is approved to perform EMC testing by the following agencies: Agency Country Accreditation No. Validity Reference RRA KOREA KR0049 - EMC accredited Lab. FCC U.S.A 649054 2027-03-29 FCC CAB VCCI JAPAN C-4948, 2026-09-10 VCCI registration VCCI JAPAN T-2416, 2026-09-10 VCCI registration VCCI JAPAN R-4483(10 m), 2026-10-15 VCCI registration VCCI JAPAN G-847 2025-12-13 VCCI registration IC CANADA 5799A-1 2026-08-15 IC filing Ref. No.: LR500112509A LP19-080(0) Copyright © 2025, LTA Co., Ltd. Page 4 of 30 2. Information about test item 2-1 Client & Manufacturer Client Company name : RECYCLEFARM KOREA Inc. Address : 47, Gangnam-daero 112-gil, Gangnam-gu, Seoul, South Korea Tel / Fax : +82-70-4334-0019 / +82-31-8017-9066 Manufacturer I-Synapse CO., Ltd. Address 1005-ho,, 26, Seongsuil-ro 10-gil, Seongdong-gu, Seoul, 04793, Republic of Korea Tel / Fax +82-70-4110-7531 / +82-508-931-6044 2-2 Equipment Under Test (EUT) Model name : RF-ST-FL-001 Serial number : Identical prototype Date of receipt : Aug 01, 2025 EUT condition : Pre-production, not damaged Antenna type : Pattern Antenna (Gain : 2.0 dBi) Frequency Range : 2402 ~ 2480 MHz RF output power : Max -1.51 dBm – Conducted Type of Modulation : GFSK Power Source : DC 3.7 V 2-3 Tested frequency LOW MID HIGH Frequency (MHz) 2402 2440 2480 2-4 Ancillary Equipment Equipment Model No. Serial No. Manufacturer Notebook - MS-1736 MSI Ref. No.: LR500112509A LP19-080(0) Copyright © 2025, LTA Co., Ltd. Page 5 of 30 3. Test Report 3.1 Summary of tests FCC Part Section(s) Parameter Test Condition Status (note 1) 15.247(a) 6 dB Bandwidth Conducted C 15.247(b) Transmitter Peak Output Power C 15.247(e) Transmitter Power Spectral Density C 15.247(d) Band Edge & Conducted Spurious emission C 15.209 Transmitter emission Radiated C 15.207 AC Conducted Emissions Conducted N/A 15.203 Antenna requirement - C N/A : This product is only operated with DC voltage. The above equipment was tested by LTA Co., Ltd. The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C63.10-2020 and the energy emitted by the sample EUT tested as described in this report is in compliance with the requirements of FCC Rules Part 2 and Part 15.247 The test results of this report relate only to the tested sample identified in this report. The tests were performed according to the method of measurements prescribed in KDB No.558074. → Antenna Requirement RECYCLEFARM KOREA Inc. FCC ID: 2BRG5RF-ST-FL-001 unit complies with the requirement of §15.203. The antenna type is Pattern Antenna Ref. No.: LR500112509A LP19-080(0) Copyright © 2025, LTA Co., Ltd. Page 6 of 30 3.2 Technical Characteristics Test 3.2.1 6 dB Bandwidth Procedure: The bandwidth at 6 dB below the highest in-band spectral density was measured with a spectrum analyzer connected to the antenna terminal, while EUT is operating in transmission mode at the appropriate frequencies. After the trace being stable, Use the marker-to-peak function to set the m…

Text truncated - open the document above for the full version.

Contact Information

Applicant

Lee Jiseok

[email protected]Fax: 07041107531

Test Firm

LTA Co.,LtdAhn Chulho

[email protected]Fax: 82-31-323-6010

Technical Specifications

#	Rule Parts	Frequency Range	Power Output
1	15C	2.40 GHz - 2.48 GHz	700.00 µW

Confidentiality

Long Term

Grant Notes

Output Power listed is maximum conducted output power.

Documents & Files

Select a file to view

Attestation Statements

↗

Cover Letter(s)

↗

ID Label/Location Info

↗

RF Exposure Info

↗

Test Report

↗

Document Text

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

Attestation Statements

RECYCLEFARM KOREA Inc. Add: 47, Gangnam-daero 112-gil, Gangnam-gu, Seoul, South Korea Aug 21, 2025 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 In re : RECYCLEFARM KOREA Inc. FCC Application for FCC ID : 2BRG5RF-ST-FL-001 To whom it may concern: We, the undersigned, hereby attest to the fact that we will apply the Supplier’s Declaration of Conformity procedure to the class B computer peripheral portion of this composite filing. We hereby certify that the Supplier's conformity declaration procedure will be applied to the NFC receiving antenna of this composite document. Sincerely, Lee JiSeok / Manager RECYCLEFARM KOREA Inc.

Attestation Statements

Cover Letter(s)

RECYCLEFARM KOREA Inc. Add: 47, Gangnam-daero 112-gil, Gangnam-gu, Seoul, South Korea Aug 21, 2025 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 In re : RECYCLEFARM KOREA Inc. FCC ID : 2BRG5RF-ST-FL-001 Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules (CFR 47), RECYCLEFARM KOREA Inc. hereby requests confidentiality and treatment of certain information accompanying this application. The materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We are also hereby request Short-Term Confidentiality for 180 days after the grant as outlined in Public Notice DA 04-1705. This provision will give RECYCLEFARM KOREA Inc. commporary confidentiality of commercially sensitive information prior to product release. The requested Confidential and Temporary Confidential exhibits are listed as follows: Exhibit Type File Name CONFIDENTIAL Schematics CONF APPENDIX 2BRG5RF-ST-FL-001 SCH.pdf Parts list CONF APPENDIX 2BRG5RF-ST-FL-001 PL.pdf Block diagram CONF APPENDIX 2BRG5RF-ST-FL-001 BLK DIA.pdf Operational description CONF APPENDIX 2BRG5RF-ST-FL-001 OpDes.pdf SHORT-TERM CONFIDENTIAL External Photos SHORT-TERM CONF 2BRG5RF-ST-FL-001 EXT Photo.pdf Internal Photos SHORT-TERM CONF 2BRG5RF-ST-FL-001 INT Photo.pdf Test-Setup Photos SHORT-TERM CONF 2BRG5RF-ST-FL-001 Test Photo.pdf User’s Manual SHORT-TERM CONF 2BRG5RF-ST-FL-001 Manual.pdf The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be made public before the date of the Grant for this application. Sincerely, Lee JiSeok / Manager RECYCLEFARM KOREA Inc.

Cover Letter(s)

RECYCLEFARM KOREA Inc. Add: 47, Gangnam-daero 112-gil, Gangnam-gu, Seoul, South Korea Aug 21, 2025 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 LETTER OF AUTHORIZATION To whom it may concern: We, the undersigned, hereby authorize LTA Co., Ltd., to act on our behalf in all manners relating to application for equipment authorization for FCC ID: 2BRG5RF-ST-FL-001 including signing of all documents relating to these matters. Any and all acts carried out by LTA Co., Ltd., on our behalf shall have the same affect as acts of our own. This authorization is valid until further written notice from RECYCLEFARM KOREA Inc. LTA Co.,LTD. (Contact Person) Contact name: Eun-Hwan Jung Position: Manager Phone:(82)31-323-6008 E-mail: [email protected] Sincerely, Lee JiSeok / Manager RECYCLEFARM KOREA Inc.

Cover Letter(s)

ID Label/Location Info

RF Exposure Info

Test Report

Text truncated - open the document above for the full version.

Rule Parts

Frequency Range

Power Output

15C

2.40 GHz - 2.48 GHz

700.00 µW