FCC ID 2BK24YRCUKS58
LAP TIME DETECTOR III
by Yoshikawakogyo RF Semicon Co., Ltd.
Grantee Code: 2BK24 Product Code: YRCUKS58
Latest application date: 2025-11-18
FCC ID Device Details
| FCC ID | 2BK24YRCUKS58 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BK24 |
| Product Code | YRCUKS58 |
| Applicant Business | Yoshikawakogyo RF Semicon Co., Ltd. 🇯🇵 |
| Related Domains |  yrsc.co.jp |
| Equipment Class | LAP TIME DETECTOR III |
| Test Firm | UL Japan, Inc. KASHIMA EMC LABORATORY |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 13.56 MHz | Original Equipment | 2025-11-18 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| 05 STC_User Manual_1 | Users Manual | 2026-05-18 | PDF 1,006.8 KB |
| 05 STC_User Manual_2 | Users Manual | 2026-05-18 | PDF 76.4 KB |
| 04 STC_Internal Photo | Internal Photos | 2026-05-18 | PDF 387.2 KB |
| 04 STC_External Photo | External Photos | 2026-05-18 | PDF 370 KB |
| 06 Label and Location | ID Label/Location Info | 2025-11-18 | PDF 107.8 KB |
| 03 STC_FCC Test Setup Photo_DXX | Test Setup Photos | 2026-05-18 | PDF 739.4 KB |
| 03 FCC Justification for Antenna Gain Info | Test Report | 2025-11-18 | PDF 126.6 KB |
| 03 FCC Test Report_DXX | Test Report | 2025-11-18 | PDF 819.8 KB |
| 01 FCC 2.911(d)(5) Attestation | Attestation Statements | 2025-11-18 | PDF 215 KB |
| 01 FCC Agent Attestation_Agent | Attestation Statements | 2025-11-18 | PDF 184.8 KB |
| 01 FCC Agent Attestation_Applicant | Attestation Statements | 2025-11-18 | PDF 221.7 KB |
| 02 FCC Authorization Letter | Cover Letter(s) | 2025-11-18 | PDF 170.2 KB |
| 02 FCC Request for LTC | Cover Letter(s) | 2025-11-18 | PDF 148.5 KB |
| 02 FCC Request for STC | Cover Letter(s) | 2025-11-18 | PDF 153 KB |
| 03 FCC RF Exposure | RF Exposure Info | 2025-11-18 | PDF 236.4 KB |
| 07 LTC_Block Diagram Metadata only | Block Diagram | PDF 158.5 KB | |
| 09 LTC_Schematics Metadata only | Schematics | PDF 486.2 KB | |
| 08 LTC_Operational Description Metadata only | Operational Description | PDF 1.5 MB |
Application Information
| Application ID | 199tk2sRVFCe8u3Lf8NXgg== |
|---|---|
| Final Action Date | 2025-11-18 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0035939347 |
| Model | YRCUKS58 |
| Frequency Range | 13.56 MHz |
| Equipment Class | DXX - Part 15 Low Power Communication Device Transmitter |
| Device Description | LAP TIME DETECTOR III |
| Responsible Party | Hayato Ishii, h-ishii@yrsc.co.jp , 81369068861 |
| Technical Contact | Kazuhiro Ando, UL Japan, Inc., Kazuhiro.Ando@ul.com  , 81-478-88-6500 |
| Test Firm | Kenichi Suda, UL Japan, Inc. KASHIMA EMC LABORATORY, Kenichi.Suda@ul.com , 81-478-88-6500 |
| TCB Email | LST.FRE.CertNotice@ul.com |
| TCB Scope | A1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices |
| Short-Term Confidentiality | Yes |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| 199tk2sRVFCe8u3Lf8NXgg== | 2025-11-18 | Original Equipment |
Equipment Authorization
| Frequency | Rules |
|---|---|
| 13.56 MHz | 15C |
Grants
TCB Grant - Application 199tk2sRVFCe8u3Lf8NXgg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
UL Verification Services Inc. 47173 Benicia Street Fremont, CA 94538 |
Date of Grant: 11/18/2025 Application Dated: 11/18/2025 |
| Yoshikawakogyo RF Semicon Co., Ltd. |
| Shinjuku Kifu Bldg.8F,7-2-4,Nishi-Shinjuku, |
| Shinjuku-ku |
| Tokyo, 160-0023 Japan |
| Attention: Hayato Ishii , |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | 2BK24YRCUKS58 |
| Name of Grantee: | Yoshikawakogyo RF Semicon Co., Ltd. |
| Equipment Class: | Part 15 Low Power Communication Device Transmitter |
| Notes: | LAP TIME DETECTOR III |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 13.56 - 13.56 |
| The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |