FCC ID 2AZVJ-K400
Portable PA System
by ShenZhen WinWin Technology Co., LTD
Grantee Code: 2AZVJ Product Code: K400
Latest application date: 2026-10-21
FCC ID Device Details
| FCC ID | 2AZVJ-K400 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AZVJ |
| Product Code | K400 |
| Applicant Business | ShenZhen WinWin Technology Co., LTD 🇨🇳 |
| Related Domains |  winwin-tech.com  lobos-lowa.com |
| Equipment Class | Portable PA System |
| Test Firm | Shenzhen Bangce Testing Technology Co. , Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-10-21 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-10-21 | PDF 1.3 MB |
| Internal Photographs | Internal Photos | 2026-10-21 | PDF 926.6 KB |
| External Photographs | External Photos | 2026-10-21 | PDF 1,015.4 KB |
| Label&Label location | ID Label/Location Info | 2026-10-21 | PDF 1.6 MB |
| Test Setup Photographys | Test Setup Photos | 2026-10-21 | PDF 508.1 KB |
| Antenna data sheet | Test Report | 2026-10-21 | PDF 1 MB |
| CISRR26091813401_47 CFR Part 15.247 | Test Report | 2026-10-21 | PDF 4 MB |
| USA-CoveredEquipmentLetter-Combined | Attestation Statements | 2026-10-21 | PDF 123.2 KB |
| USA-Local Rep Letter-K400 | Attestation Statements | 2026-10-21 | PDF 83.5 KB |
| USA-Confidentiality Request Letter | Cover Letter(s) | 2026-10-21 | PDF 126.4 KB |
| CISRR26091813402_RF Exposure Evaluation FCC Part2.1093 | RF Exposure Info | 2026-10-21 | PDF 171.5 KB |
| Block Diagram Metadata only | Block Diagram | PDF 60.4 KB | |
| Schematic Metadata only | Schematics | PDF 759.2 KB | |
| Operation Description Metadata only | Operational Description | PDF 39.6 KB | |
| USA-DueDigilenceLetter Metadata only | Operational Description | PDF 109.9 KB |
Application Information
| Application ID | kXBGGijUI+X6FfW4a9ONRg== |
|---|---|
| Final Action Date | 2026-10-21 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0030916720 |
| Model | K400 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Portable PA System |
| Responsible Party | Bruce Wang, info@winwin-tech.com , 86-134 2138 9597 |
| Technical Contact | Hans Hu, Shenzhen Bangce Testing Technology Co., Ltd., huzhiqiang@cis-cn.net  , 15818730309 |
| Non-Technical Contact | Harley Li, LOBOS IOWA INC, info@lobos-lowa.com , +1 8188180538 |
| Test Firm | Hans Hu, Shenzhen Bangce Testing Technology Co. , Ltd., huzhiqiang@cis-cn.net , +86 0158 1873 0309 |
| 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 | Does not apply |
| 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 |
|---|---|---|
| kXBGGijUI+X6FfW4a9ONRg== | 2026-10-21 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0027 | 15C |
Grants
TCB Grant - Application kXBGGijUI+X6FfW4a9ONRg==
| 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: 10/21/2026 Application Dated: 10/21/2026 |
| ShenZhen WinWin Technology Co., LTD |
| 327 Wisdom Innovation Center, |
| Xixiang, BaoAn, Shenzhen China |
| Shenzhen, China |
| Attention: Bruce Wang , General 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: | 2AZVJ-K400 |
| Name of Grantee: | ShenZhen WinWin Technology Co., LTD |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Portable PA System |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0027 |
| Power listed is maximum peak conducted output power. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable configurations. The antenna used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. |