FCC ID 2A44B-QZ402
AI Recording Stylus Pen
by Shenzhen Ruidian Technology Co., Ltd.
Grantee Code: 2A44B Product Code: QZ402
Latest application date: 2026-10-26
FCC ID Device Details
| FCC ID | 2A44B-QZ402 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A44B |
| Product Code | QZ402 |
| Applicant Business | Shenzhen Ruidian Technology Co., Ltd. 🇨🇳 |
| Related Domains |  kiigoo-hot.org |
| Equipment Class | AI Recording Stylus Pen |
| Test Firm | Shenzhen HUAK Testing Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-10-26 |
| 2402-2480 MHz | Original Equipment | 2026-10-26 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Label and Location | ID Label/Location Info | 2026-10-26 | PDF 731.2 KB |
| Test Setup Photos | Test Setup Photos | 2026-10-26 | PDF 990 KB |
| Antenna Specification | Test Report | 2026-10-26 | PDF 117 KB |
| BLE-1 | Test Report | 2026-10-26 | PDF 5 MB |
| BLE-2 | Test Report | 2026-10-26 | PDF 3.9 MB |
| BT-EDR-1 | Test Report | 2026-10-26 | PDF 4.9 MB |
| BT-EDR-2 | Test Report | 2026-10-26 | PDF 4.3 MB |
| BT-EDR-3 | Test Report | 2026-10-26 | PDF 5 MB |
| 2.911 (d)(5)(i)CertificationEquipmentTypev1.2 | Attestation Statements | 2026-10-26 | PDF 668.7 KB |
| 2.911 (d)(5)(ii)CertificationApplicantv1.3 | Attestation Statements | 2026-10-26 | PDF 680.2 KB |
| 2.911 (d)(7)USAgentforServiceofProcessv1.3 | Attestation Statements | 2026-10-26 | PDF 3.3 MB |
| Agent Authorization | Cover Letter(s) | 2026-10-26 | PDF 552.1 KB |
| FCC Short & Long Term Confidentiality Request Rev4.1 | Cover Letter(s) | 2026-10-26 | PDF 710.1 KB |
| Models Different Declaration | Cover Letter(s) | 2026-10-26 | PDF 398.6 KB |
| MPE | RF Exposure Info | 2026-10-26 | PDF 74.6 KB |
| User manual Metadata only | Users Manual | 2027-04-24 | PDF 5.5 MB |
| Internal photos Metadata only | Internal Photos | 2027-04-24 | PDF 5.7 MB |
| External photos Metadata only | External Photos | 2027-04-24 | PDF 3.3 MB |
| Block Metadata only | Block Diagram | PDF 118.6 KB | |
| SCH Metadata only | Schematics | PDF 151.8 KB | |
| Operation Description Metadata only | Operational Description | PDF 58.9 KB | |
| BOM Metadata only | Parts List/Tune Up Info | PDF 129 KB |
Application Information
| Application ID | WgZvxLmyCVxB99TA0wJnUw== |
|---|---|
| Final Action Date | 2026-10-26 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0032024465 |
| Model | QZ402 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | AI Recording Stylus Pen |
| Responsible Party | Yu an Liang, liangyu_an@163.com  , 17603035954 |
| Technical Contact | Shenzhen Ruidian Technology Co., Ltd., liangyu_an@163.com |
| Non-Technical Contact | Ethan Liao, KIIGOO.HOT INC, Ethan@kiigoo-hot.org , 00 1 (337) 446-9522 |
| Test Firm | Jason Zhou, Shenzhen HUAK Testing Technology Co., Ltd., jason@cer-mark.com  , 86-755-23029901 |
| TCB Email | certification@micomlabs.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| 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 |
|---|---|---|
| WgZvxLmyCVxB99TA0wJnUw== | 2026-10-26 | Original Equipment |
| OjILN+csVXiiSpHu3RYUzg== | 2026-10-26 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application WgZvxLmyCVxB99TA0wJnUw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
MiCOM Labs 575 Boulder Court Pleasanton, CA 94566 |
Date of Grant: 10/26/2026 Application Dated: 10/26/2026 |
| Shenzhen Ruidian Technology Co., Ltd. |
| 301, 3rd Floor, Building 11, Longbi Industrial |
| Zone, No. 27 Dafa Road, Dafa Pu Community, |
| Bantian Street, Longgang District, Shenzhen City, 518129 China |
| Attention: Yu an Liang , |
| 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: | 2A44B-QZ402 |
| Name of Grantee: | Shenzhen Ruidian Technology Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | AI Recording Stylus Pen |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.00156 |
| Power listed is the maximum conducted output power. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application OjILN+csVXiiSpHu3RYUzg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
MiCOM Labs 575 Boulder Court Pleasanton, CA 94566 |
Date of Grant: 10/26/2026 Application Dated: 10/26/2026 |
| Shenzhen Ruidian Technology Co., Ltd. |
| 301, 3rd Floor, Building 11, Longbi Industrial |
| Zone, No. 27 Dafa Road, Dafa Pu Community, |
| Bantian Street, Longgang District, Shenzhen City, 518129 China |
| Attention: Yu an Liang , |
| 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: | 2A44B-QZ402 |
| Name of Grantee: | Shenzhen Ruidian Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | AI Recording Stylus Pen |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.00091 |
| Power listed is the maximum conducted output power. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |