FCC ID 2BAQY-SERENADEV2
DAC and Headphone Amplifier
by HIFIMAN KUNSHAN TECHNOLOGY GROUP CO., LTD.
Grantee Code: 2BAQY Product Code: SERENADEV2
Latest application date: 2025-11-19
FCC ID Device Details
| FCC ID | 2BAQY-SERENADEV2 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BAQY |
| Product Code | SERENADEV2 |
| Applicant Business | HIFIMAN KUNSHAN TECHNOLOGY GROUP CO., LTD. 🇨🇳 |
| Equipment Class | DAC and Headphone Amplifier |
| Test Firm | Shenzhen DL Testing Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2025-11-19 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-05-18 | PDF 469.8 KB |
| Internal Photos | Internal Photos | 2026-05-18 | PDF 3.7 MB |
| External Photo | External Photos | 2026-05-18 | PDF 2.4 MB |
| LABEL | ID Label/Location Info | 2025-11-19 | PDF 97.4 KB |
| Test Setup | Test Setup Photos | 2026-05-18 | PDF 1.7 MB |
| Antenna Spec | Test Report | 2025-11-19 | PDF 1.9 MB |
| Test report | Test Report | 2025-11-19 | PDF 5.5 MB |
| Attestation Statements | Attestation Statements | 2025-11-19 | PDF 71.9 KB |
| Attestation Statements-Kaspersky | Attestation Statements | 2025-11-19 | PDF 127.9 KB |
| US Agent | Attestation Statements | 2025-11-19 | PDF 77.8 KB |
| FCC-Confidentiality-Request | Cover Letter(s) | 2025-11-19 | PDF 71.9 KB |
| POA | Cover Letter(s) | 2025-11-19 | PDF 64.5 KB |
| MPE | RF Exposure Info | 2025-11-19 | PDF 110.4 KB |
| Block Diagram Metadata only | Block Diagram | PDF 52.3 KB | |
| Schematic Metadata only | Schematics | PDF 2.2 MB | |
| Operational Description Metadata only | Operational Description | PDF 59.9 KB |
Application Information
| Application ID | 0pVg4gsQUzTOOun+RXDCxw== |
|---|---|
| Final Action Date | 2025-11-19 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0033602756 |
| Model | SERENADEV2 |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | DAC and Headphone Amplifier |
| Responsible Party | yuchun zhang, dd13428693948@163.com  , +8615995644514 |
| Test Firm | Jade Yang, Shenzhen DL Testing Technology Co., Ltd., Jade.yang@dl-cert.com  , 400-688-3552 |
| TCB Email | joe_chew@derycom-us.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 | 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 |
|---|---|---|
| 0pVg4gsQUzTOOun+RXDCxw== | 2025-11-19 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2412-2462 MHz | 0.0044 | 15C |
Grants
TCB Grant - Application 0pVg4gsQUzTOOun+RXDCxw==
| 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: 11/19/2025 Application Dated: 11/19/2025 |
| HIFIMAN KUNSHAN TECHNOLOGY GROUP CO., LTD. |
| 2nd floor, Building C1,Shangkun Zhichuang |
| Industrial Park,No.2001 Yingbin West Road, |
| Bacheng Town Kunshan, China |
| Attention: yuchun zhang , |
| 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: | 2BAQY-SERENADEV2 |
| Name of Grantee: | HIFIMAN KUNSHAN TECHNOLOGY GROUP CO., LTD. |
| Equipment Class: | Digital Transmission System |
| Notes: | DAC and Headphone Amplifier |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2412.0 - 2462.0 | 0.0044 |
| Output power listed is conducted power. This device contains 20 and 40 MHz signal bandwidth. 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. |