FCC ID 2ATFT-K240B
video projector
by Shenzhen Kejinming Electronic Co.,Ltd
Grantee Code: 2ATFT Product Code: K240B
Latest application date: 2025-12-31
FCC ID Device Details
| FCC ID | 2ATFT-K240B |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2ATFT |
| Product Code | K240B |
| Applicant Business | Shenzhen Kejinming Electronic Co.,Ltd 🇨🇳 |
| Related Domains |  kejingming.com  linkwld.com |
| Equipment Class | video projector |
| Test Firm | Shenzhen Anbotek Compliance Laboratory Limited |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2025-12-31 |
| 2402-2480 MHz | Original Equipment | 2025-12-31 |
| 5745-5825 MHz | Original Equipment | 2025-12-31 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-06-29 | PDF 4.5 MB |
| Int photo | Internal Photos | 2026-06-29 | PDF 1.1 MB |
| Ext photo | External Photos | 2026-06-29 | PDF 4.7 MB |
| Label and Location | ID Label/Location Info | 2025-12-31 | PDF 1.4 MB |
| Test Setup Photos | Test Setup Photos | 2026-06-29 | PDF 561.9 KB |
| Antenna report | Test Report | 2025-12-31 | PDF 1.9 MB |
| BLE Appendix Data | Test Report | 2025-12-31 | PDF 4.4 MB |
| BT Appendix Data | Test Report | 2025-12-31 | PDF 5.3 MB |
| RLAN Appendix Data_1 | Test Report | 2025-12-31 | PDF 4.5 MB |
| RLAN Appendix Data_2 | Test Report | 2025-12-31 | PDF 4.4 MB |
| Test Report 2.4G WIFI | Test Report | 2025-12-31 | PDF 2.2 MB |
| Test Report_BLE | Test Report | 2025-12-31 | PDF 2.8 MB |
| Test Report_BT | Test Report | 2025-12-31 | PDF 2.8 MB |
| Test Report_RLAN | Test Report | 2025-12-31 | PDF 2.2 MB |
| WLAN Appendix Data | Test Report | 2025-12-31 | PDF 5.1 MB |
| Attestation Statements-Kaspersky | Attestation Statements | 2025-12-31 | PDF 145.9 KB |
| Attestation Statements-Not Covered | Attestation Statements | 2025-12-31 | PDF 67.8 KB |
| US Agent attestation | Attestation Statements | 2025-12-31 | PDF 97 KB |
| Confidentiality request | Cover Letter(s) | 2025-12-31 | PDF 68.3 KB |
| Model Difference | Cover Letter(s) | 2025-12-31 | PDF 60.8 KB |
| POA | Cover Letter(s) | 2025-12-31 | PDF 43.4 KB |
| Software Configuration Control Declaration | Cover Letter(s) | 2025-12-31 | PDF 69 KB |
| RF exposure | RF Exposure Info | 2025-12-31 | PDF 294 KB |
| Block Diagram Metadata only | Block Diagram | PDF 37.6 KB | |
| Schematic Metadata only | Schematics | PDF 518.6 KB | |
| Schematics Metadata only | Schematics | PDF 518.6 KB | |
| Operational Description Metadata only | Operational Description | PDF 75.4 KB | |
| NII Security request Metadata only | SDR Software/Security Info. | PDF 92.2 KB | |
| BOM Metadata only | Parts List/Tune Up Info | PDF 50.9 KB |
Application Information
| Application ID | vFMrZ2aA2+LZgsfhU2Tvgw== |
|---|---|
| Final Action Date | 2025-12-31 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0028509735 |
| Model | K240B |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | video projector |
| Responsible Party | Ruiqi Chen, evans@kejingming.com , 0755-27489177 |
| Non-Technical Contact | Timothy Zhu, Linkwld LLC, Timothy.zhu@linkwld.com , (747) 717-2691 |
| Test Firm | Jeff Zhu, Shenzhen Anbotek Compliance Laboratory Limited, jeff.zhu@anbotek.com  , 86-12798230942 |
| TCB Email | joe_chew@derycom-us.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| 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 |
|---|---|---|
| vFMrZ2aA2+LZgsfhU2Tvgw== | 2025-12-31 | Original Equipment |
| sLA4J2Wa78Gsfilt3UC7wQ== | 2025-12-31 | Original Equipment |
| ieJGPO9lBswyn2A9zpQ/7Q== | 2025-12-31 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application vFMrZ2aA2+LZgsfhU2Tvgw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
DERYCOM CERTIFICATION SERVICES, INC. 1100 Falcon Avenue Glencoe, MN 55336 |
Date of Grant: 12/31/2025 Application Dated: 12/31/2025 |
| Shenzhen Kejinming Electronic Co.,Ltd |
| Floor1-6, BlockB7, YintianIndustrialPark, Yantian |
| Community, XixiangStreet, Bao'an Dist. |
| Shenzhen, Guangdong, China |
| Attention: Ruiqi Chen , Sales Director |
| 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: | 2ATFT-K240B |
| Name of Grantee: | Shenzhen Kejinming Electronic Co.,Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | video projector |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0014 | ||
| CC | 15C | 2412.0 - 2462.0 | 0.029 |
| Output power listed is conducted power. This device contains 20 and 40 MHz signal bandwidth. 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. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application sLA4J2Wa78Gsfilt3UC7wQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
DERYCOM CERTIFICATION SERVICES, INC. 1100 Falcon Avenue Glencoe, MN 55336 |
Date of Grant: 12/31/2025 Application Dated: 12/31/2025 |
| Shenzhen Kejinming Electronic Co.,Ltd |
| Floor1-6, BlockB7, YintianIndustrialPark, Yantian |
| Community, XixiangStreet, Bao'an Dist. |
| Shenzhen, Guangdong, China |
| Attention: Ruiqi Chen , Sales Director |
| 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: | 2ATFT-K240B |
| Name of Grantee: | Shenzhen Kejinming Electronic Co.,Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | video projector |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0014 |
| 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. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application ieJGPO9lBswyn2A9zpQ/7Q==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
DERYCOM CERTIFICATION SERVICES, INC. 1100 Falcon Avenue Glencoe, MN 55336 |
Date of Grant: 12/31/2025 Application Dated: 12/31/2025 |
| Shenzhen Kejinming Electronic Co.,Ltd |
| Floor1-6, BlockB7, YintianIndustrialPark, Yantian |
| Community, XixiangStreet, Bao'an Dist. |
| Shenzhen, Guangdong, China |
| Attention: Ruiqi Chen , Sales Director |
| 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: | 2ATFT-K240B |
| Name of Grantee: | Shenzhen Kejinming Electronic Co.,Ltd |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | video projector |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5180.0 - 5240.0 | 0.0321 | ||
| CC | 15E | 5745.0 - 5825.0 | 0.0288 |
| Output power listed is conducted power. This device contains 20, 40 MHz signal bandwidth. 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. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |