FCC ID 2BBNT-3WWDZ-U25A
HD525 Agricultural Drone
by Heilongjiang Huida Technology Co., Ltd.
Grantee Code: 2BBNT Product Code: 3WWDZU25A
Latest application date: 2025-06-28
FCC ID Device Details
| FCC ID | 2BBNT-3WWDZ-U25A |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BBNT |
| Product Code | 3WWDZU25A |
| Applicant Business | Heilongjiang Huida Technology Co., Ltd. 🇨🇳 |
| Related Domains |  huidatech.cn |
| Equipment Class | HD525 Agricultural Drone |
| Test Firm | Shenzhen Timeway Testing Laboratories |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2025-06-28 |
| 5745-5825 MHz | Original Equipment | 2025-06-28 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2025-06-28 | PDF 2.5 MB |
| Internal photos | Internal Photos | 2025-06-28 | PDF 4.4 MB |
| External photos | External Photos | 2025-06-28 | PDF 1.7 MB |
| Label | ID Label/Location Info | 2025-06-28 | PDF 2.1 MB |
| Label location | ID Label/Location Info | 2025-06-28 | PDF 259.3 KB |
| Test setup | Test Setup Photos | 2025-06-28 | PDF 163.9 KB |
| Antenna specification | Test Report | 2025-06-28 | PDF 704.5 KB |
| Antenna specification | Test Report | 2025-06-28 | PDF 2.1 MB |
| Test report | Test Report | 2025-06-28 | PDF 2.4 MB |
| Test report part 1 | Test Report | 2025-06-28 | PDF 4 MB |
| Test report part 2 | Test Report | 2025-06-28 | PDF 3.2 MB |
| Covered equipment list attestation | Attestation Statements | 2025-06-28 | PDF 23.3 KB |
| US agent designation attestation | Attestation Statements | 2025-06-28 | PDF 88.9 KB |
| Agent letter | Cover Letter(s) | 2025-06-28 | PDF 56.4 KB |
| Confidentiality request letter | Cover Letter(s) | 2025-06-28 | PDF 33.8 KB |
| RF Exposure Evaluation | RF Exposure Info | 2025-06-28 | PDF 79.9 KB |
| Block Diagram Metadata only | Block Diagram | PDF 135.7 KB | |
| Schematics Metadata only | Schematics | PDF 988.5 KB | |
| Operational Description Metadata only | Operational Description | PDF 74.6 KB | |
| Software security description Metadata only | SDR Software/Security Info. | PDF 45.5 KB |
Application Information
| Application ID | ddCbtqrCxdXfNjE8fy0auA== |
|---|---|
| Final Action Date | 2025-06-28 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0033862814 |
| Model | 3WWDZ-U25A |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | HD525 Agricultural Drone |
| Responsible Party | Halk Chen, Certification Manager, chen.hao@huidatech.cn , 0451-86612300 |
| Test Firm | Terry Tang, Shenzhen Timeway Testing Laboratories, Terry.tang@timeway-lab.com  , 86-755-83448688 |
| TCB Email | TCBAdmin@compliancetesting.com  |
| 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 | Output power listed is conducted. This device has 1.25 MHz, 10 MHz, 20 MHz and 40 MHz bandwidth mode. The antenna(s) used for this transmitter must be installed to provide a 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, or as evaluated in this filing. End users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| ddCbtqrCxdXfNjE8fy0auA== | 2025-06-28 | Original Equipment |
| XaSWqdBLgOoKdNd6UegxOw== | 2025-06-28 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application XaSWqdBLgOoKdNd6UegxOw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Compliance Testing, LLC 1724 S. Nevada Way Mesa, AZ 85204 |
Date of Grant: 06/28/2025 Application Dated: 06/28/2025 |
| Heilongjiang Huida Technology Co., Ltd. |
| Building 1, Science and Technology Innovation |
| Headquarters, Shenzhen (Harbin) Industrial Park, |
| No. 288 Zhigu Street, Songbei District, Harbin, China |
| Attention: Halk Chen , Certification Manager |
| 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: | 2BBNT-3WWDZ-U25A |
| Name of Grantee: | Heilongjiang Huida Technology Co., Ltd. |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | HD525 Agricultural Drone |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5745.0 - 5825.0 | 0.028249 | ||
| CC MO | 15E | 5730.0 - 5825.0 | 0.123595 |
| Output power listed is conducted. This device has 1.25 MHz, 10 MHz, 20 MHz, 40 MHz and 80 MHz bandwidth mode. The antenna(s) used for this transmitter must be installed to provide a 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, or as evaluated in this filing. End users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| MO: | This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing. |
TCB Grant - Application ddCbtqrCxdXfNjE8fy0auA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Compliance Testing, LLC 1724 S. Nevada Way Mesa, AZ 85204 |
Date of Grant: 06/28/2025 Application Dated: 06/28/2025 |
| Heilongjiang Huida Technology Co., Ltd. |
| Building 1, Science and Technology Innovation |
| Headquarters, Shenzhen (Harbin) Industrial Park, |
| No. 288 Zhigu Street, Songbei District, Harbin, China |
| Attention: Halk Chen , Certification Manager |
| 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: | 2BBNT-3WWDZ-U25A |
| Name of Grantee: | Heilongjiang Huida Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | HD525 Agricultural Drone |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2412.0 - 2462.0 | 0.049545 | ||
| CC MO | 15C | 2405.0 - 2480.0 | 0.5236 |
| Output power listed is conducted. This device has 1.25 MHz, 10 MHz, 20 MHz and 40 MHz bandwidth mode. The antenna(s) used for this transmitter must be installed to provide a 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, or as evaluated in this filing. End users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| MO: | This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing. |