FCC ID 2A5ZY-ZX-D21
Bluetooth module
by Shenzhen Zhixing Micro Technology Co., Ltd
Grantee Code: 2A5ZY Product Code: ZXD21
Latest application date: 2026-08-26
FCC ID Device Details
| FCC ID | 2A5ZY-ZX-D21 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A5ZY |
| Product Code | ZXD21 |
| Applicant Business | Shenzhen Zhixing Micro Technology Co., Ltd 🇨🇳 |
| Related Domains |  wlsiot.com |
| Equipment Class | Bluetooth module |
| Test Firm | Guangdong DN Testing Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-08-26 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Module Statement | Users Manual | 2026-08-26 | PDF 160 KB |
| User Manual | Users Manual | 2026-08-26 | PDF 303.1 KB |
| Internal Photos | Internal Photos | 2026-08-26 | PDF 625.6 KB |
| External Photos | External Photos | 2026-08-26 | PDF 965.1 KB |
| Label and location | ID Label/Location Info | 2026-08-26 | PDF 183.1 KB |
| Test Setup photo | Test Setup Photos | 2026-08-26 | PDF 1 MB |
| Antenna Specification | Test Report | 2026-08-26 | PDF 4.8 MB |
| DNT2607275620R11359-15453-FCC BLE Test Report_Part1 | Test Report | 2026-08-26 | PDF 5.8 MB |
| DNT2607275620R11359-15453-FCC BLE Test Report_Part2 | Test Report | 2026-08-26 | PDF 2.9 MB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2026-08-26 | PDF 132.2 KB |
| USA-LocalRepLetter_V1.1 -2A5ZY-ZX-D21 | Attestation Statements | 2026-08-26 | PDF 489.2 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2026-08-26 | PDF 109.9 KB |
| USA-ModularApprovalRequest | Cover Letter(s) | 2026-08-26 | PDF 194.2 KB |
| DNT2607275620R11359-15455-FCC MPE(Mobile) Report | RF Exposure Info | 2026-08-26 | PDF 910.5 KB |
| Block Diagram Metadata only | Block Diagram | PDF 63.3 KB | |
| Schematics Metadata only | Schematics | PDF 9.3 KB | |
| Operation Description-BLE Metadata only | Operational Description | PDF 108.4 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 61.2 KB |
Application Information
| Application ID | I3abAXWJfm/bV8Mp5b2CBQ== |
|---|---|
| Final Action Date | 2026-08-26 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0032172512 |
| Model | ZX-D21 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Bluetooth module |
| Responsible Party | Dong Lang, donglang@wlsiot.com , 0755-27087743 |
| 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 | Single Modular Approval |
| Composite Device | No |
| 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 |
|---|---|---|
| I3abAXWJfm/bV8Mp5b2CBQ== | 2026-08-26 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0003 | 15C |
Grants
TCB Grant - Application I3abAXWJfm/bV8Mp5b2CBQ==
| 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: 08/26/2026 Application Dated: 08/26/2026 |
| Shenzhen Zhixing Micro Technology Co., Ltd |
| Room 1307,Building F,Nanshan Zhigu Industrial Park |
| Shahe West Road,,Nanshan District, Shenzhen City |
| Guangdong Province, China |
| Attention: Dong Lang , CEO |
| 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: | 2A5ZY-ZX-D21 |
| Name of Grantee: | Shenzhen Zhixing Micro Technology Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | Bluetooth module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0003 |
| Single Modular Approval, Output Power listed is peak conducted. RF exposure compliance is addressed for 1.1310 and 2.1091 MPE limits. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. The maximum antenna gain is 1.72dBi. Only those antenna(s) tested with the device or similar antenna(s) with equal or lesser gain may be used with this transmitter. The host integrator installing this module into their product must ensure that the final composite product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operation and should refer to guidance in KDB 996369. |