FCC ID 2A2LL-V4E
Mini RTK Receiver
by FJ Dynamics Co.,Ltd.
Grantee Code: 2A2LL Product Code: V4E
Latest application date: 2026-06-16
FCC ID Device Details
| FCC ID | 2A2LL-V4E |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A2LL |
| Product Code | V4E |
| Applicant Business | FJ Dynamics Co.,Ltd. 🇨🇳 |
| Related Domains |  fjdynamics.com |
| Equipment Class | Mini RTK Receiver |
| Test Firm | Guangdong DN Testing Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Class II permissive change or modification of presently authorized equipment | 2026-06-16 |
| 2412-2462 MHz | Class II permissive change or modification of presently authorized equipment | 2026-06-16 |
| 2412-2462 MHz | Original Equipment | 2025-11-25 |
| 2402-2480 MHz | Original Equipment | 2025-11-25 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-06-16 | PDF 5.2 MB |
| User manual | Users Manual | 2025-11-25 | PDF 5.4 MB |
| Internal Photos | Internal Photos | 2026-06-16 | PDF 3.4 MB |
| Internal Photos | Internal Photos | 2025-11-25 | PDF 308.6 KB |
| External Photos | External Photos | 2026-06-16 | PDF 1,003.7 KB |
| External Photos | External Photos | 2025-11-25 | PDF 199.5 KB |
| Label and location | ID Label/Location Info | 2026-06-16 | PDF 417.3 KB |
| Label and location | ID Label/Location Info | 2025-11-25 | PDF 29.4 KB |
| Test Setup photo | Test Setup Photos | 2026-06-16 | PDF 653.9 KB |
| Test Setup photo | Test Setup Photos | 2025-11-25 | PDF 581.8 KB |
| Antenna spec | Test Report | 2026-06-16 | PDF 3.7 MB |
| DNT2511260716R13663-16238-FJD-V4E-FCC BT Test Report_Part1 | Test Report | 2026-06-16 | PDF 5.8 MB |
| DNT2511260716R13663-16238-FJD-V4E-FCC BT Test Report_Part2 | Test Report | 2026-06-16 | PDF 5.8 MB |
| DNT2511260716R13663-16239-FJD-V4E-FCC BLE Test Report | Test Report | 2026-06-16 | PDF 5.3 MB |
| DNT2511260716R13663-16240-FJD-V4E-FCC 2.4GWIFI(40M) Test Report_Part1 | Test Report | 2026-06-16 | PDF 5.6 MB |
| DNT2511260716R13663-16240-FJD-V4E-FCC 2.4GWIFI(40M) Test Report_Part2 | Test Report | 2026-06-16 | PDF 5.8 MB |
| DNT2511260716R13663-16240-FJD-V4E-FCC 2.4GWIFI(40M) Test Report_Part3 | Test Report | 2026-06-16 | PDF 5.9 MB |
| WTH26D04098013W_FCC SAR Test Report_Part1 | RF Exposure Info | 2026-06-16 | PDF 5.9 MB |
| WTH26D04098013W_FCC SAR Test Report_Part2 | RF Exposure Info | 2026-06-16 | PDF 1.1 MB |
| Antenna specification | Test Report | 2025-11-25 | PDF 3.7 MB |
| FCC 2.4GWIFI(40M) Test Report_Part1 | Test Report | 2025-11-25 | PDF 5.5 MB |
| FCC 2.4GWIFI(40M) Test Report_Part2 | Test Report | 2025-11-25 | PDF 3.3 MB |
| FCC BLE Test Report | Test Report | 2025-11-25 | PDF 4.6 MB |
| FCC BT Test Report_Part1 | Test Report | 2025-11-25 | PDF 5.4 MB |
| FCC BT Test Report_Part2 | Test Report | 2025-11-25 | PDF 2.1 MB |
| WTH25D09234983W_FCC SAR Test Report V1 | RF Exposure Info | 2025-11-25 | PDF 5.8 MB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2026-06-16 | PDF 119.8 KB |
| USA-LocalRepLetter_V1.1_2A2LL-V4E | Attestation Statements | 2026-06-16 | PDF 355.2 KB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2025-11-25 | PDF 120.3 KB |
| Declaration Letter of Model Difference | Cover Letter(s) | 2026-06-16 | PDF 466.9 KB |
| FCC Class II Permissive Change Application Letter | Cover Letter(s) | 2026-06-16 | PDF 410.2 KB |
| FCC Declaration of Disable WLAN Channel 12 and 13 | Cover Letter(s) | 2026-06-16 | PDF 99.7 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2026-06-16 | PDF 103.9 KB |
| FCC Declaration of Disable WLAN Channel 12 and 13 | Cover Letter(s) | 2025-11-25 | PDF 99.9 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2025-11-25 | PDF 104.4 KB |
| Block Diagram Metadata only | Block Diagram | PDF 515.6 KB | |
| Block Diagram Metadata only | Block Diagram | PDF 355.1 KB | |
| Schematic Metadata only | Schematics | PDF 182.4 KB | |
| Schematic-Moudle Metadata only | Schematics | PDF 838.3 KB | |
| Schematic-Moudle Metadata only | Schematics | PDF 471.3 KB | |
| Operation Description Metadata only | Operational Description | PDF 117.3 KB | |
| Operation Description Metadata only | Operational Description | PDF 171.2 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 229 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 141.3 KB |
Application Information
| Application ID | QouMroUW+io2ZS4A4ujVjg== |
|---|---|
| Final Action Date | 2026-06-16 |
| Application Purpose | Class II permissive change or modification of presently authorized equipment |
| Applicant FRN | 0031146913 |
| Model | V4E |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Mini RTK Receiver |
| Responsible Party | Kate Liu, FJDrenzheng@fjdynamics.com , 15013739372 |
| Non-Technical Contact | Cindy Wu, HOORAY INDUSTRY LLC, cindynewhope@gmail.com  , (626) 910-5808 |
| Test Firm | Joise Yang, Guangdong DN Testing Co., Ltd., Joise.yang@dn-testing.com  , +86-0769-8808 7383 |
| 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 |
|---|---|---|
| QouMroUW+io2ZS4A4ujVjg== | 2026-06-16 | Class II permissive change or modification of presently authorized equipment |
| 1hL4y5r5n+4KSacvCGMGew== | 2026-06-16 | Class II permissive change or modification of presently authorized equipment |
| hGrWRIK86c95mvEEnGSKOQ== | 2025-11-25 | Original Equipment |
| d8eNPC1ae7wki3anmoq31A== | 2025-11-25 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application QouMroUW+io2ZS4A4ujVjg==
| 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: 06/16/2026 Application Dated: 06/16/2026 |
| FJ Dynamics Co.,Ltd. |
| Floor 21,Das Tower,No.28,1st South Keji Road, |
| High-tech Zone,Yuehai Subdistrict, |
| Nanshan District,Shenzhen, China |
| Attention: Kate Liu , Certified engineer |
| 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: | 2A2LL-V4E |
| Name of Grantee: | FJ Dynamics Co.,Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Mini RTK Receiver |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0082 |
| CIIPC as update the components on main board. Output Power listed is peak conducted. For body worn operation, this device has been tested and meets FCC RF exposure guidelines when used at a minimum distance of 0 mm from the body. The highest reported SAR for body-worn and simultaneous transmission use conditions are 0.01 W/kg and 0.02 W/kg, respectively. |
TCB Grant - Application hGrWRIK86c95mvEEnGSKOQ==
| 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: 11/25/2025 Application Dated: 11/25/2025 |
| FJ Dynamics Co.,Ltd. |
| Floor 21,Das Tower,No.28,1st South Keji Road, |
| High-tech Zone,Yuehai Subdistrict, |
| Nanshan District,Shenzhen, China |
| Attention: Kate Liu , Certified engineer |
| 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: | 2A2LL-V4E |
| Name of Grantee: | FJ Dynamics Co.,Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Mini RTK Receiver V4E |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0041 | |||
| 15C | 2412.0 - 2462.0 | 0.0519 |
| Output Power listed is peak conducted. This device supports 802.11b, 802.11g and 802.11n with a 20 MHz and 40 MHz bandwidth mode. For body worn operation, this device has been tested and meets FCC RF exposure guidelines when used at a minimum distance of 0 mm from the body. The highest reported SAR for body-worn and simultaneous transmission use conditions are 0.05 W/kg and 0.06 W/kg, respectively. |
TCB Grant - Application d8eNPC1ae7wki3anmoq31A==
| 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: 11/25/2025 Application Dated: 11/25/2025 |
| FJ Dynamics Co.,Ltd. |
| Floor 21,Das Tower,No.28,1st South Keji Road, |
| High-tech Zone,Yuehai Subdistrict, |
| Nanshan District,Shenzhen, China |
| Attention: Kate Liu , Certified engineer |
| 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: | 2A2LL-V4E |
| Name of Grantee: | FJ Dynamics Co.,Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Mini RTK Receiver V4E |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0082 |
| Output Power listed is peak conducted. For body worn operation, this device has been tested and meets FCC RF exposure guidelines when used at a minimum distance of 0 mm from the body. The highest reported SAR for body-worn and simultaneous transmission use conditions are 0.02 W/kg and 0.07 W/kg, respectively. |
TCB Grant - Application 1hL4y5r5n+4KSacvCGMGew==
| 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: 06/16/2026 Application Dated: 06/16/2026 |
| FJ Dynamics Co.,Ltd. |
| Floor 21,Das Tower,No.28,1st South Keji Road, |
| High-tech Zone,Yuehai Subdistrict, |
| Nanshan District,Shenzhen, China |
| Attention: Kate Liu , Certified engineer |
| 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: | 2A2LL-V4E |
| Name of Grantee: | FJ Dynamics Co.,Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Mini RTK Receiver |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0041 | |||
| 15C | 2412.0 - 2462.0 | 0.0519 |
| CIIPC as update the components on main board. Output Power listed is peak conducted. This device supports 802.11b, 802.11g and 802.11n with a 20 MHz and 40 MHz bandwidth mode. For body worn operation, this device has been tested and meets FCC RF exposure guidelines when used at a minimum distance of 0 mm from the body. The highest reported SAR for body-worn and simultaneous transmission use conditions are 0.01 W/kg and 0.02 W/kg, respectively. |