String lights — by Linhai Jingjia Lighting Co.,Ltd.
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FCC ID 2BW74-JJZN-B02
Device Details
FCC ID 2BW74-JJZN-B02 Grantee Code 2BW74 Product Code JJZN-B02 Applicant Linhai Jingjia Lighting Co.,Ltd. Address Room 502, Unit 1, Building 9, Herun Huafu (Huaheyuan), Dayang Street, Linhai City, Taizhou City, Zhejiang Province, N/A, N/A, China Equipment Class DTS - Digital Transmission System Device Description String lights Application Purpose Original Equipment Grant Date 2026-09-18 Frequency Range 2402-2480 MHz Operating Frequencies
Frequency Range Application Purpose Final Action Date
2402.00000000–2480.00000000 MHz
Original Equipment
2026-09-18
Exhibits (17)
View on FCC.gov ↗
Document Type Available File
USA-CoveredEquipmentLetter-Combined_V1.1
Attestation Statements
2026-09-18
ADOBE ACROBAT PDF 134.5 KB
USA-LocalRepLetter_V1.1 - 2BW74-JJZN-B02
Attestation Statements
2026-09-18
ADOBE ACROBAT PDF 494.1 KB
Block Diagram
Block Diagram
ADOBE ACROBAT PDF 133.6 KB
Declaration Letter of Model Difference
Cover Letter(s)
2026-09-18
ADOBE ACROBAT PDF 89.6 KB
USA-ConfidentialityRequestLetter_V0.1
Cover Letter(s)
2026-09-18
ADOBE ACROBAT PDF 118.8 KB
appendix II EUT External photo
External Photos
2026-09-18
ADOBE ACROBAT PDF 884.2 KB
Label and Location
ID Label/Location Info
2026-09-18
ADOBE ACROBAT PDF 216.6 KB
appendix II EUT Internal photo
Internal Photos
2026-09-18
ADOBE ACROBAT PDF 481.8 KB
Operation Description
Operational Description
ADOBE ACROBAT PDF 135.3 KB
USA-DueDigilenceLetter_V0.1
Operational Description
ADOBE ACROBAT PDF 158.3 KB
HTT2026071073F02_RF Exposure-MPE
RF Exposure Info
2026-09-18
ADOBE ACROBAT PDF 458.4 KB
schematic
Schematics
ADOBE ACROBAT PDF 208.1 KB
Antenna Specification
Test Report
2026-09-18
ADOBE ACROBAT PDF 4.8 MB
Appendix RF Test Data for BLE
Test Report
2026-09-18
ADOBE ACROBAT PDF 2.1 MB
HTT2026071073F01_Test Report-BLE FCC
Test Report
2026-09-18
ADOBE ACROBAT PDF 1.9 MB
appendix I EUT Test Setup photo
Test Setup Photos
2026-09-18
ADOBE ACROBAT PDF 435.1 KB
User Manual
Users Manual
2026-09-18
ADOBE ACROBAT PDF 3.1 MB
Application Information
Application ID O69+xTUmwWY5iukEVFRP+g== Final Action Date 2026-09-18 Application Purpose Original Equipment Model JJZN-B02 Frequency Range 2402-2480 MHz Equipment Class DTS - Digital Transmission System Device Description String lights Responsible Party Zhiqiang Yin, 15967049400@163.com, 13603034005 Non-Technical Contact Cindy Wu, HOORAY INDUSTRY LLC, cindynewhope@gmail.com, (626) 910-5808 Test Firm Kevin Yang, Shenzhen HTT Technology Co.,Ltd., info@httprc.com, 86-755-23595200 TCB Email o.kneip@kl-certification.de TCB Scope A4: UNII devices & low power transmitters using spread spectrum techniques Long-Term Confidentiality Yes Short-Term Confidentiality No 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 (1)
Application ID Date Purpose
O69+xTUmwWY5iukEVFRP+g==
2026-09-18
Original Equipment
Equipment Authorization
Frequency Output Tolerance Emission Designator Rules
2402.00000000–2480.00000000 MHz
0.0009000
15C
Grants
TCB
GRANT OF EQUIPMENT
AUTHORIZATIONTCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:
KL-Certification GmbH
Heinrich-Hertz-Allee 7
St. Ingbert, 66386
Germany
Date of Grant: 09/18/2026
Linhai Jingjia Lighting Co.,Ltd.
Room 502, Unit 1, Building 9,
Herun Huafu (Huaheyuan), Dayang Street
Linhai City, Taizhou City, Zhejiang Province,
China
Attention: Zhiqiang Yin ,
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:
2BW74-JJZN-B02
Name of Grantee:
Linhai Jingjia Lighting Co.,Ltd.
Equipment Class:
Digital Transmission System
Notes:
String lights
Grant Notes
FCC Rule Parts
Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C
2402.0
-
2480.0
0.0009
Output Power listed is peak conducted. RF exposure compliance is addressed for 1.1310 and 2.1091 MPE limits. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End Users must be provided with transmitter operation conditions for satisfying RF exposure compliance.
Regulatory Testing from Start to Certificate
