FCC ID 2A2HSM4
Smart desk lamp
by Shenzhen Langka Electronic Co., Ltd.
Grantee Code: 2A2HS Product Code: M4
Latest application date: 2025-07-07
FCC ID Device Details
| FCC ID | 2A2HSM4 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A2HS |
| Product Code | M4 |
| Applicant Business | Shenzhen Langka Electronic Co., Ltd. 🇨🇳 |
| Equipment Class | Smart desk lamp |
| Test Firm | Shenzhen HUAK Testing Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2025-07-07 |
| 2412-2462 MHz | Original Equipment | 2022-03-29 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-01-03 | PDF 1.8 MB |
| User Manual | Users Manual | 2022-03-29 | PDF 409.1 KB |
| Internal photos | Internal Photos | 2026-01-03 | PDF 1.8 MB |
| Internal Photos | Internal Photos | 2022-03-29 | PDF 366.4 KB |
| External photos | External Photos | 2026-01-03 | PDF 2.6 MB |
| External Photo | External Photos | 2022-03-29 | PDF 440.8 KB |
| Label and location | ID Label/Location Info | 2025-07-07 | PDF 91.9 KB |
| Label and Label Location | ID Label/Location Info | 2022-03-29 | PDF 49.8 KB |
| Test photos | Test Setup Photos | 2025-07-07 | PDF 708 KB |
| Test Setup Photos | Test Setup Photos | 2022-03-29 | PDF 190.6 KB |
| 15.247 Test Report - 2.4GWiFi | Test Report | 2025-07-07 | PDF 6 MB |
| Antenna specification | Test Report | 2025-07-07 | PDF 536.3 KB |
| Appendix C_RF Test Data for 2.4GWIFI | Test Report | 2022-03-29 | PDF 4 MB |
| Test report-DTS | Test Report | 2022-03-29 | PDF 390.7 KB |
| 2.911 (d)(5)(i)CertificationEquipmentTypev1.2 | Attestation Statements | 2025-07-07 | PDF 102.5 KB |
| 2.911 (d)(5)(ii)CertificiationApplicantv1.3 | Attestation Statements | 2025-07-07 | PDF 148.5 KB |
| 2.911 (d)(7)USAgentforServiceofProcessv1.4 | Attestation Statements | 2025-07-07 | PDF 1 MB |
| Agent Authorization Rev 1.0 | Cover Letter(s) | 2025-07-07 | PDF 121.3 KB |
| FCC Short & Long Term Confidentiality Request Rev4.1 | Cover Letter(s) | 2025-07-07 | PDF 102.6 KB |
| Model Difference | Cover Letter(s) | 2025-07-07 | PDF 116.6 KB |
| Declaration Letter of Model Difference | Cover Letter(s) | 2022-03-29 | PDF 69 KB |
| FCC Confidentiality request letter | Cover Letter(s) | 2022-03-29 | PDF 109.7 KB |
| FCC Declaration of Disable WLAN Channel 12 and 13 | Cover Letter(s) | 2022-03-29 | PDF 116.7 KB |
| FCC POA | Cover Letter(s) | 2022-03-29 | PDF 68.8 KB |
| MPE | RF Exposure Info | 2025-07-07 | PDF 13.4 KB |
| RF Exposure-MPE | RF Exposure Info | 2022-03-29 | PDF 66.8 KB |
| Block Metadata only | Block Diagram | PDF 42.3 KB | |
| Block Diagram Metadata only | Block Diagram | PDF 41.7 KB | |
| SCH Metadata only | Schematics | PDF 488.3 KB | |
| Schematic Metadata only | Schematics | PDF 129.4 KB | |
| Declaration concerning Antenna Specification Metadata only | Operational Description | PDF 73.9 KB | |
| Operation Description Metadata only | Operational Description | PDF 6.8 KB | |
| Operation Description Metadata only | Operational Description | PDF 30.6 KB |
Application Information
| Application ID | 4hEvEHzV9ukfp24N8gYtTQ== |
|---|---|
| Final Action Date | 2025-07-07 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0031103823 |
| Model | M4 |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Smart desk lamp |
| Responsible Party | Liu We Xiong, 353797815@qq.com  , 13480996087 |
| Technical Contact | Shenzhen Langka Electronic Co., Ltd., 353797815@qq.com |
| Test Firm | Jason Zhou, Shenzhen HUAK Testing Technology Co., Ltd., jason@cer-mark.com  , 86-755-23029901 |
| TCB Email | certification@micomlabs.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 01/03/2026 |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | No |
| 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 | Output power listed is conducted power. The antenna used with this transmitter must be installed to provide a minimum 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, except in accordance with FCC multi- transmitter product procedures. End-users must be provided with operating procedures for satisfying RF exposure compliance. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| 4hEvEHzV9ukfp24N8gYtTQ== | 2025-07-07 | Original Equipment |
| Mz1/tiC9RFz9fHJmycCdug== | 2022-03-29 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2412-2462 MHz | 0.0272000 | 15C |
| 2412-2462 MHz | 0.0250000 |
Grants
TCB Grant - Application Mz1/tiC9RFz9fHJmycCdug==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Product Service GmbH Storkower Strasse 38c D-15526 Reichenwalde, Germany |
Date of Grant: 03/29/2022 Application Dated: 03/29/2022 |
| Shenzhen Langka Electronic Co., Ltd. |
| Liyuan Industrial Park, No. 2, Chuangjian Road, |
| Hangcheng Street, Baoan District, |
| Shenzhen, China |
| Attention: Liu We Xiong |
| 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: | 2A2HS-M4 |
| Name of Grantee: | Shenzhen Langka Electronic Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Table Lamp |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2412.0 - 2462.0 | 0.0272 |
| Output Power listed is peak conducted. This device supports 802.11b, 802.11g and 802.11n with a 20 MHz bandwidth mode. 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. |
EAS Grant - Application Mz1/tiC9RFz9fHJmycCdug==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Shenzhen Langka Electronic Co., Ltd. Liyuan Industrial Park, No. 2, Chuangjian Road, Hangcheng Street, Baoan District, Shenzhen, China |
Date of Grant: 03/29/2022 Application Dated: 03/29/2022 |
| Attention: Liu We Xiong |
| 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: | 2A2HS-M4 |
| Name of Grantee: | Shenzhen Langka Electronic Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Table Lamp |
| Modular Type: | Does not apply |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2412.0 - 2462.0 | 0.0272 |
| Output Power listed is peak conducted. This device supports 802.11b, 802.11g and 802.11n with a 20 MHz bandwidth mode. 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. |
| Mail To: | ||||||||||||||||||||||||||||||||||||||||||||
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
MiCOM Labs 575 Boulder Court Pleasanton, CA 94566 |
Date of Grant: 07/07/2025 Application Dated: 07/07/2025 |
| Shenzhen Langka Electronic Co., Ltd. |
| 5th Floor, Building C,West Gate, No. 18 Jiuwei |
| 1st Road. JiuweiCommunity, Hangcheng Street, |
| Bao'an District, Shenzhen, China |
| Attention: Liu We Xiong , |
| 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: | 2A2HSM4 |
| Name of Grantee: | Shenzhen Langka Electronic Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Smart desk lamp |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2412.0 - 2462.0 | 0.025 |
| Output power listed is conducted power. The antenna used with this transmitter must be installed to provide a minimum 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, except in accordance with FCC multi- transmitter product procedures. End-users must be provided with operating procedures for satisfying RF exposure compliance. |