FCC ID Z4T-XIAO52840P
Seeed Studio XIAO nRF52840 Plus/ Seeed Studio XIAO nRF52840 Sense Plus
by Seeed Technology Co., Ltd.
Grantee Code: Z4T Product Code: XIAO52840P
Latest application date: 2025-04-27
FCC ID Device Details
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-04-27 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| user manua | Users Manual | 2025-10-24 | PDF 646.6 KB |
| Internal Photos | Internal Photos | 2025-10-24 | PDF 540 KB |
| External PhotoS | External Photos | 2025-10-24 | PDF 3.2 MB |
| Label Location | ID Label/Location Info | 2025-04-27 | PDF 182.7 KB |
| Test Setup Photograph | Test Setup Photos | 2025-10-24 | PDF 526.3 KB |
| Antenna test report | Test Report | 2025-04-27 | PDF 862 KB |
| FCC-BLE Appendix Test Data | Test Report | 2025-04-27 | PDF 4.6 MB |
| Sense-Plus-FCC-Anbotek-Test Report | Test Report | 2025-04-27 | PDF 3 MB |
| 2.911_(d)(5)(i) (ii)Certification Equipment Type v1.2 | Attestation Statements | 2025-04-27 | PDF 67.5 KB |
| Attestation_Statements_Kaspersky_Rev 1.0 | Cover Letter(s) | 2025-04-27 | PDF 118.9 KB |
| US Agent letter | Attestation Statements | 2025-04-27 | PDF 47.1 KB |
| FCC Modular Approval Request Rev 1.0 | Cover Letter(s) | 2025-04-27 | PDF 77.1 KB |
| FCC-Confidentiality-Request_Rev1.1 | Cover Letter(s) | 2025-04-27 | PDF 69 KB |
| FCC-POA_Rev1.0 | Cover Letter(s) | 2025-04-27 | PDF 43.8 KB |
| MPE | RF Exposure Info | 2025-04-27 | PDF 278.9 KB |
| Block Diagram Metadata only | Block Diagram | PDF 193.1 KB | |
| SCH Metadata only | Schematics | PDF 498 KB | |
| OP Metadata only | Operational Description | PDF 120.8 KB |
Application Information
| Application ID | Vv2AYNbG2InDKUj5ULsjVQ== |
|---|---|
| Final Action Date | 2025-04-27 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0023926116 |
| Model | XIAO52840P |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Seeed Studio XIAO nRF52840 Plus/ Seeed Studio XIAO nRF52840 Sense Plus |
| Responsible Party | Albert Miao, R&D; Director, albert.miao@seeed.cc  , 86 0755-33162243 |
| Technical Contact | Seeed Technology Co., Ltd., albert.miao@seeed.cc |
| Test Firm | Jeff Zhu, Shenzhen Anbotek Compliance Laboratory Limited, jeff.zhu@anbotek.com  , 13798230942 |
| TCB Email | joe_chew@derycom-us.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 10/24/2025 |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Single Modular Approval |
| Composite Device | No |
| 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 | Single Modular Approval. Output power listed is conducted power. OEM integrators and end-users must be provided with transmitter operation conditions for satisfying RF exposure compliance. Only the antenna tested with the device or similar antennas with equal or lesser gain may be used with this transmitter. 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. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| Vv2AYNbG2InDKUj5ULsjVQ== | 2025-04-27 | Original Equipment |
Equipment Authorization
| Frequency | Output |
|---|---|
| 2402-2480 MHz | 0.0060000 |
Grants
TCB Grant - Application Vv2AYNbG2InDKUj5ULsjVQ==
| 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: 04/27/2025 Application Dated: 04/27/2025 |
| Seeed Technology Co., Ltd. |
| 9F,Building G3,TCL International E city, |
| Shuguang Community,Xili street,Nanshan,Shenzhen |
| Shenzhen, 518055 China |
| Attention: Albert Miao , R&D 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: | Z4T-XIAO52840P |
| Name of Grantee: | Seeed Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Seeed Studio XIAO nRF52840 Plus/ Seeed Studio XIAO nRF52840 Sense Plus |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.006 |
| Single Modular Approval. Output power listed is conducted power. OEM integrators and end-users must be provided with transmitter operation conditions for satisfying RF exposure compliance. Only the antenna tested with the device or similar antennas with equal or lesser gain may be used with this transmitter. 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. |