| Equipment | Advanced USB Corded Headset |
| FRN | 0020352431 |
| Grantee Code | YZZ |
| Product Code | GUV3005 |
| Applicant Business | Grandstream Networks, Inc. |
| Business Address | 126 Brookline Ave, 3rd Floor , Boston,Massachusetts United States 02215 USA |
| TCB Scope | A1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices |
| TCB Email | [email protected] |
| Applicant | Ning Wei – |
| Applicant Phone | |
| Applicant Fax | 1-617-2491987 |
| Applicant Email | [email protected] |
| Applicant MailStop | |
| Test Firm | Waltek Testing Group (Shenzhen) Co., Ltd. |
| Test Firm Contact | Jandy So |
| Test Firm Phone | 808 |
| Test Firm Fax | 86-755-33663309 |
| Test Firm Email | [email protected] |
| Certified By | Jandy so – |