FCC ID 2BFNA-LT3688
Smart Ring
by Lantu Digital Electronics (Shenzhen) Co., Ltd
Grantee Code: 2BFNA Product Code: LT3688
Latest application date: 2024-04-25
FCC ID Device Details
| FCC ID | 2BFNA-LT3688 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BFNA |
| Product Code | LT3688 |
| Applicant Business | Lantu Digital Electronics (Shenzhen) Co., Ltd 🇨🇳 |
| Related Domains |  blueprintde.com |
| Equipment Class | Smart Ring |
| Test Firm | Shenzhen Bangce Testing Technology Co. , Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2024-04-25 |
| 2402-2480 MHz | Original Equipment | 2024-04-25 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2024-04-25 | PDF 809.5 KB |
| Internal photos | Internal Photos | 2024-04-25 | PDF 1.1 MB |
| External photos | External Photos | 2024-04-25 | PDF 945.1 KB |
| Label and label location | ID Label/Location Info | 2024-04-25 | PDF 133.7 KB |
| Test setup photos | Test Setup Photos | 2024-04-25 | PDF 540.8 KB |
| Antenna information | Test Report | 2024-04-25 | PDF 850.2 KB |
| Appendix A test data BT | Test Report | 2024-04-25 | PDF 2.1 MB |
| Appendix B test data BT LE | Test Report | 2024-04-25 | PDF 1.2 MB |
| Test Report BT | Test Report | 2024-04-25 | PDF 3.2 MB |
| Test Report BT LE | Test Report | 2024-04-25 | PDF 1.2 MB |
| Agent attestation letter | Attestation Statements | 2024-04-25 | PDF 81.7 KB |
| Covered equipment identification letter | Attestation Statements | 2024-04-25 | PDF 182.7 KB |
| Covered equipment letter | Attestation Statements | 2024-04-25 | PDF 182.5 KB |
| Confidentiality request letter | Cover Letter(s) | 2024-04-25 | PDF 139.8 KB |
| Letter of declaration model difference | Cover Letter(s) | 2024-04-25 | PDF 117.1 KB |
| RF exposure evaluation | RF Exposure Info | 2024-04-25 | PDF 197.6 KB |
| Block diagram Metadata only | Block Diagram | PDF 18.4 KB | |
| Schematic Metadata only | Schematics | PDF 16.1 KB | |
| Operation description Metadata only | Operational Description | PDF 226.6 KB |
Application Information
| Application ID | S3dukAk0Jvv9/48EFVNe3Q== |
|---|---|
| Final Action Date | 2024-04-25 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0035202761 |
| Model | LT3688 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Smart Ring |
| Responsible Party | Haiqing Liu, lantu@blueprintde.com , 15012660442 |
| Test Firm | Mike Jin Jin, Shenzhen Bangce Testing Technology Co. , Ltd., 715204997@qq.com  , 13824315318 |
| TCB Email | o.kneip@kl-certification.de  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Power listed is maximum peak conducted output power. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable configurations. The antenna used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| S3dukAk0Jvv9/48EFVNe3Q== | 2024-04-25 | Original Equipment |
| 0PGyjtYPKL87IFnmZxzLLw== | 2024-04-25 | Original Equipment |
Grants
TCB Grant - Application S3dukAk0Jvv9/48EFVNe3Q==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| 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: 04/25/2024 Application Dated: 04/25/2024 |
| Lantu Digital Electronics (Shenzhen) Co., Ltd |
| Fucheng Street,Longhua District,Shenzhen |
| Building2,2302,No.35 Guanlan Avenue,XinheCommunity |
| Shenzhen, China |
| Attention: Haiqing Liu |
| 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: | 2BFNA-LT3688 |
| Name of Grantee: | Lantu Digital Electronics (Shenzhen) Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Smart Ring |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0021 |
| Power listed is maximum peak conducted output power. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable configurations. The antenna used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
EAS Grant - Application S3dukAk0Jvv9/48EFVNe3Q==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Lantu Digital Electronics (Shenzhen) Co., Ltd Fucheng Street,Longhua District,Shenzhen Building2,2302,No.35 Guanlan Avenue,XinheCommunity Shenzhen, China |
Date of Grant: 04/25/2024 Application Dated: 04/25/2024 |
| Attention: Haiqing Liu |
| 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: | 2BFNA-LT3688 |
| Name of Grantee: | Lantu Digital Electronics (Shenzhen) Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Smart Ring |
| Modular Type: | Does not apply |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0021 |
| Power listed is maximum peak conducted output power. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable configurations. The antenna used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
| Mail To: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| 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: 04/25/2024 Application Dated: 04/25/2024 |
| Lantu Digital Electronics (Shenzhen) Co., Ltd |
| Fucheng Street,Longhua District,Shenzhen |
| Building2,2302,No.35 Guanlan Avenue,XinheCommunity |
| Shenzhen, China |
| Attention: Haiqing Liu |
| 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: | 2BFNA-LT3688 |
| Name of Grantee: | Lantu Digital Electronics (Shenzhen) Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | Smart Ring |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00095 |
| Power listed is maximum peak conducted output power. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable configurations. The antenna used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
EAS Grant - Application 0PGyjtYPKL87IFnmZxzLLw==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Lantu Digital Electronics (Shenzhen) Co., Ltd Fucheng Street,Longhua District,Shenzhen Building2,2302,No.35 Guanlan Avenue,XinheCommunity Shenzhen, China |
Date of Grant: 04/25/2024 Application Dated: 04/25/2024 |
| Attention: Haiqing Liu |
| 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: | 2BFNA-LT3688 |
| Name of Grantee: | Lantu Digital Electronics (Shenzhen) Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | Smart Ring |
| Modular Type: | Does not apply |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00095 |
| Power listed is maximum peak conducted output power. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable configurations. The antenna used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
| Mail To: |