FCC ID 2BRQE-C31
C31 Agricultural Drone
by Ceres Air LLC
Grantee Code: 2BRQE Product Code: C31
Latest application date: 2025-12-07
FCC ID Device Details
| FCC ID | 2BRQE-C31 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BRQE |
| Product Code | C31 |
| Applicant Business | Ceres Air LLC 🇺🇸 |
| Related Domains |  ceresair.com |
| Equipment Class | C31 Agricultural Drone |
| Test Firm | Shenzhen Timeway Testing Laboratories |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2025-12-07 |
| 5745-5825 MHz | Original Equipment | 2025-12-07 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2025-12-07 | PDF 5.7 MB |
| Internal photos | Internal Photos | 2025-12-07 | PDF 3.6 MB |
| External photos | External Photos | 2025-12-07 | PDF 1.5 MB |
| Label | ID Label/Location Info | 2025-12-07 | PDF 91.2 KB |
| Label location | ID Label/Location Info | 2025-12-07 | PDF 244.9 KB |
| Test setup | Test Setup Photos | 2025-12-07 | PDF 337.6 KB |
| Antenna specification | Test Report | 2025-12-07 | PDF 2.1 MB |
| Test report | Test Report | 2025-12-07 | PDF 3.2 MB |
| Test report | Test Report | 2025-12-07 | PDF 2.4 MB |
| Covered equipment list attestation | Attestation Statements | 2025-12-07 | PDF 21 KB |
| US agent designation attestation | Attestation Statements | 2025-12-07 | PDF 114.3 KB |
| Agent letter | Cover Letter(s) | 2025-12-07 | PDF 54.1 KB |
| Confidentiality request letter | Cover Letter(s) | 2025-12-07 | PDF 33.2 KB |
| RF Exposure Evaluation | RF Exposure Info | 2025-12-07 | PDF 86.4 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 44.9 KB |
Application Information
| Application ID | hn0apGdt2X4rq+fxOcLk+w== |
|---|---|
| Final Action Date | 2025-12-07 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037173465 |
| Model | C31 |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | C31 Agricultural Drone |
| Responsible Party | Lei Chen, arthur@ceresair.com , 5038661228 |
| 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 |
| 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 |
|---|---|---|
| hn0apGdt2X4rq+fxOcLk+w== | 2025-12-07 | Original Equipment |
| bamm2CxuLX0ENFeK4C9mmQ== | 2025-12-07 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application hn0apGdt2X4rq+fxOcLk+w==
| 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: 12/07/2025 Application Dated: 12/08/2025 |
| Ceres Air LLC |
| 2265 116th Ave NE |
| Suite 200-2 |
| Bellevue, WA 98004 |
| Attention: Lei Chen , President |
| 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: | 2BRQE-C31 |
| Name of Grantee: | Ceres Air LLC |
| Equipment Class: | Digital Transmission System |
| Notes: | C31 Agricultural Drone |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2412.0 - 2462.0 | 0.061802 | ||
| CC MO | 15C | 2405.0 - 2480.0 | 0.35975 |
| 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. |
TCB Grant - Application bamm2CxuLX0ENFeK4C9mmQ==
| 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: 12/07/2025 Application Dated: 12/08/2025 |
| Ceres Air LLC |
| 2265 116th Ave NE |
| Suite 200-2 |
| Bellevue, WA 98004 |
| Attention: Lei Chen , President |
| 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: | 2BRQE-C31 |
| Name of Grantee: | Ceres Air LLC |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | C31 Agricultural Drone |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5745.0 - 5825.0 | 0.023933 | ||
| CC MO | 15E | 5730.0 - 5835.0 | 0.03673 |
| Output power listed is conducted. This device has 1.25 MHz, 10 MHz, 20 MHz, 40MHz, 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. |