FCC ID 2BUIZ-B77
Smart watch
by Shenzhen KM Brothers Technology Co., Ltd
Grantee Code: 2BUIZ Product Code: B77
Latest application date: 2026-10-23
FCC ID Device Details
| FCC ID | 2BUIZ-B77 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BUIZ |
| Product Code | B77 |
| Applicant Business | Shenzhen KM Brothers Technology Co., Ltd 🇨🇳 |
| Related Domains |  globalppcco.com |
| Equipment Class | Smart watch |
| Test Firm | Shenzhen CCUT Quality Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-10-23 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-10-23 | PDF 2.8 MB |
| Internal Photos | Internal Photos | 2026-10-23 | PDF 848.4 KB |
| External Photos | External Photos | 2026-10-23 | PDF 840.1 KB |
| Label Information | ID Label/Location Info | 2026-10-23 | PDF 327.2 KB |
| Test Setup Photos | Test Setup Photos | 2026-10-23 | PDF 499.8 KB |
| Antenna Report | Test Report | 2026-10-23 | PDF 438.2 KB |
| Test Report | Test Report | 2026-10-23 | PDF 4.7 MB |
| Attestation Statements of US Agent for Service of Process, 2.911(d)(7) | Attestation Statements | 2026-10-23 | PDF 451 KB |
| Attestation of Covered Equipment, 2.911(d)(5)(i)(ii) | Attestation Statements | 2026-10-23 | PDF 428.7 KB |
| Agent Authorization Letter Template | Cover Letter(s) | 2026-10-23 | PDF 91.6 KB |
| Model Difference Statement | Cover Letter(s) | 2026-10-23 | PDF 13.9 KB |
| Short & Long Term Confidentiality Request | Cover Letter(s) | 2026-10-23 | PDF 429.2 KB |
| RF Exposure Report | RF Exposure Info | 2026-10-23 | PDF 286.8 KB |
| BLOCK Metadata only | Block Diagram | PDF 320.5 KB | |
| SCH Metadata only | Schematics | PDF 123.8 KB | |
| Operational Description Metadata only | Operational Description | PDF 508.8 KB | |
| BOM Metadata only | Parts List/Tune Up Info | PDF 82.5 KB |
Application Information
| Application ID | uTQCLqJMHF3/fmD2yKbanA== |
|---|---|
| Final Action Date | 2026-10-23 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037900941 |
| Model | B77 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Smart watch |
| Responsible Party | Lemon feng, 2208675500@qq.com  , +86-18211307641 |
| Technical Contact | Shenzhen KM Brothers Technology Co., Ltd, 2208675500@qq.com |
| Non-Technical Contact | David Kim, GLOBAL PRODUCT PROMOTION COMMERCE CO., LTD., david.kim@globalppcco.com |
| Test Firm | Lahm Peng, Shenzhen CCUT Quality Technology Co., Ltd., lahm@ccuttest.com  , 86-13798582307 |
| TCB Email | anezam@qai.org  |
| 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 |
|---|---|---|
| uTQCLqJMHF3/fmD2yKbanA== | 2026-10-23 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.00127 | 15C |
Grants
TCB Grant - Application uTQCLqJMHF3/fmD2yKbanA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
QAI LABORATORIES LTD 3980 North Fraser Way Burnaby, BC, V5J5K5 Canada |
Date of Grant: 10/23/2026 Application Dated: 10/23/2026 |
| Shenzhen KM Brothers Technology Co., Ltd |
| 6th Floor, Building B, Jingfa Intelligent |
| Manufacturing Park, Xiaweiyuan, Gushu Community, |
| Xixiang Subdistrict, Bao'an District, Shenzhen, China |
| Attention: Lemon feng , |
| 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: | 2BUIZ-B77 |
| Name of Grantee: | Shenzhen KM Brothers Technology Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Smart watch |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00127 |
| Power listed is the maximum conducted output power. |