FCC ID 2BU2U-K250R
Roku TV Smart Projector
by Shenzhen Kejinming Electronic Co.,Ltd.
Grantee Code: 2BU2U Product Code: K250R
Latest application date: 2026-10-14
FCC ID Device Details
| FCC ID | 2BU2U-K250R |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BU2U |
| Product Code | K250R |
| Applicant Business | Shenzhen Kejinming Electronic Co.,Ltd. 🇨🇳 |
| Related Domains |  kejinming.com  uc-ts.com |
| Equipment Class | Roku TV Smart Projector |
| Test Firm | Radiolink Testing (Shenzhen) Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 5745-5825 MHz | Original Equipment | 2026-10-14 |
| 2412-2462 MHz | Original Equipment | 2026-10-14 |
| 2402-2480 MHz | Original Equipment | 2026-10-14 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-10-14 | PDF 1.2 MB |
| Internal photos | Internal Photos | 2026-10-14 | PDF 1.3 MB |
| External photos | External Photos | 2026-10-14 | PDF 782.5 KB |
| Label and label location | ID Label/Location Info | 2026-10-14 | PDF 109 KB |
| Test setup photos | Test Setup Photos | 2026-10-14 | PDF 398 KB |
| Antenna information | Test Report | 2026-10-14 | PDF 1 MB |
| Test Report 2G4WLAN part 1 | Test Report | 2026-10-14 | PDF 3.6 MB |
| Test Report 2G4WLAN part 2 | Test Report | 2026-10-14 | PDF 5.4 MB |
| Test Report 2G4WLAN part 3 | Test Report | 2026-10-14 | PDF 4.3 MB |
| Test Report 5GWLAN part 1 | Test Report | 2026-10-14 | PDF 3.8 MB |
| Test Report 5GWLAN part 2 | Test Report | 2026-10-14 | PDF 4.9 MB |
| Test Report 5GWLAN part 3 | Test Report | 2026-10-14 | PDF 4.3 MB |
| Test Report BT LE part 1 | Test Report | 2026-10-14 | PDF 3.6 MB |
| Test Report BT LE part 2 | Test Report | 2026-10-14 | PDF 4.9 MB |
| Test Report BT part 1 | Test Report | 2026-10-14 | PDF 3.1 MB |
| Test Report BT part 2 | Test Report | 2026-10-14 | PDF 3.9 MB |
| Test Report BT part 3 | Test Report | 2026-10-14 | PDF 4.4 MB |
| Agent attestation letter | Attestation Statements | 2026-10-14 | PDF 159.8 KB |
| Covered equipment letter | Attestation Statements | 2026-10-14 | PDF 258.4 KB |
| Due digilence letter | Attestation Statements | 2026-10-14 | PDF 244.4 KB |
| Confidentiality request letter | Cover Letter(s) | 2026-10-14 | PDF 258.3 KB |
| Letter of declaration disable channel 12 and 13 by software | Cover Letter(s) | 2026-10-14 | PDF 184.2 KB |
| Letter of declaration model difference | Cover Letter(s) | 2026-10-14 | PDF 115.8 KB |
| RF exposure evaluation | RF Exposure Info | 2026-10-14 | PDF 993.5 KB |
| Block diagram Metadata only | Block Diagram | PDF 190.4 KB | |
| Schematic Metadata only | Schematics | PDF 808.5 KB | |
| Letter of declaration unii device Metadata only | Operational Description | PDF 319.9 KB | |
| Letter of declaration unii device software configuration control Metadata only | Operational Description | PDF 198 KB | |
| Operation description Metadata only | Operational Description | PDF 1,002.3 KB |
Application Information
| Application ID | FPAzaqo7WX643sXonDo62A== |
|---|---|
| Final Action Date | 2026-10-14 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0038102497 |
| Model | K250R |
| Frequency Range | 5745-5825 MHz |
| Equipment Class | NII - Unlicensed National Information Infrastructure TX |
| Device Description | Roku TV Smart Projector |
| Responsible Party | Ruiqi Chen, certification@kejinming.com , 0755-27489177 |
| Non-Technical Contact | David Wu, United Consulting Technology Services Co., Ltd., David@uc-ts.com , (626) 217-4022 |
| Test Firm | David Wu, Radiolink Testing (Shenzhen) Co., Ltd., david.wu@radiolinklab.com  , +86 132 66890158 |
| 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 |
| 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 |
|---|---|---|
| FPAzaqo7WX643sXonDo62A== | 2026-10-14 | Original Equipment |
| 9WEuNFS1jmj5G/6RmSvo/w== | 2026-10-14 | Original Equipment |
| 8+EwVl8O30Lm9LuiQeE1qA== | 2026-10-14 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application FPAzaqo7WX643sXonDo62A==
| 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: 10/14/2026 Application Dated: 10/14/2026 |
| Shenzhen Kejinming Electronic Co.,Ltd. |
| 1-6/F, Block B7, Yintian Industrial Park, |
| Yantian Community, Xixiang Street, |
| Bao'an District,Shenzhen, Guangdong,, China |
| Attention: Ruiqi Chen , |
| 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: | 2BU2U-K250R |
| Name of Grantee: | Shenzhen Kejinming Electronic Co.,Ltd. |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | Roku TV Smart Projector |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5180.0 - 5240.0 | 0.0194 | ||
| CC | 15E | 5745.0 - 5825.0 | 0.0202 |
| Power listed is maximum average conducted output power. This device supports both 20 MHz and 40 MHz bandwidth modes as described in this filing. The product must be installed such that its antenna(s) can provide a separation distance of at least 20 cm from all persons and must not transmit simultaneously with any other transmitter, except in accordance with FCC multi-transmitter product procedures or as described in this filing. Device also contains Bluetooth, 2.4GHz WLAN and BLE transmitters. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application 9WEuNFS1jmj5G/6RmSvo/w==
| 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: 10/14/2026 Application Dated: 10/14/2026 |
| Shenzhen Kejinming Electronic Co.,Ltd. |
| 1-6/F, Block B7, Yintian Industrial Park, |
| Yantian Community, Xixiang Street, |
| Bao'an District,Shenzhen, Guangdong,, China |
| Attention: Ruiqi Chen , |
| 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: | 2BU2U-K250R |
| Name of Grantee: | Shenzhen Kejinming Electronic Co.,Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Roku TV Smart Projector |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0078 | ||
| CC | 15C | 2412.0 - 2462.0 | 0.053 |
| Power listed is maximum conducted output power. This device supports both 20 MHz and 40 MHz bandwidth modes as described in this filing. The product must be installed such that its antenna(s) can provide a separation distance of at least 20 cm from all persons and must not transmit simultaneously with any other transmitter, except in accordance with FCC multi-transmitter product procedures or as described in this filing. Device also contains Bluetooth and 5GHz WLAN transmitters. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application 8+EwVl8O30Lm9LuiQeE1qA==
| 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: 10/14/2026 Application Dated: 10/14/2026 |
| Shenzhen Kejinming Electronic Co.,Ltd. |
| 1-6/F, Block B7, Yintian Industrial Park, |
| Yantian Community, Xixiang Street, |
| Bao'an District,Shenzhen, Guangdong,, China |
| Attention: Ruiqi Chen , |
| 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: | 2BU2U-K250R |
| Name of Grantee: | Shenzhen Kejinming Electronic Co.,Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Roku TV Smart Projector |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0077 |
| Power listed is maximum peak conducted output power. The product must be installed such that its antenna(s) can provide a separation distance of at least 20 cm from all persons and must not transmit simultaneously with any other transmitter, except in accordance with FCC multi-transmitter product procedures or as described in this filing. Device also contains BLE, 2.4GHz WLAN and 5GHz WLAN transmitters. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |