FCC ID 2BB2X-BT04
OttoSafe Knob
by ShenZhen Bijiasuo Electronic Co.,Ltd
Grantee Code: 2BB2X Product Code: BT04
Latest application date: 2026-11-05
FCC ID Device Details
| FCC ID | 2BB2X-BT04 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BB2X |
| Product Code | BT04 |
| Applicant Business | ShenZhen Bijiasuo Electronic Co.,Ltd 🇨🇳 |
| Related Domains |  glocerts.com |
| Equipment Class | OttoSafe Knob |
| Test Firm | Shenzhen Tongzhou Testing Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-11-05 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Label Location | ID Label/Location Info | 2026-11-05 | PDF 116.8 KB |
| Antenna Specification | Test Report | 2026-11-05 | PDF 571.1 KB |
| Appendix BLE | Test Report | 2026-11-05 | PDF 3.6 MB |
| BLE Test Report | Test Report | 2026-11-05 | PDF 2.8 MB |
| Attestation Statements 2.911 d 5 | Attestation Statements | 2026-11-05 | PDF 217 KB |
| US AGENT Letter | Attestation Statements | 2026-11-05 | PDF 260 KB |
| Authority Letter | Cover Letter(s) | 2026-11-05 | PDF 94.8 KB |
| Confidentiality Letter | Cover Letter(s) | 2026-11-05 | PDF 90.2 KB |
| Declaration on model difference | Cover Letter(s) | 2026-11-05 | PDF 217.3 KB |
| RF Exposure | RF Exposure Info | 2026-11-05 | PDF 396.9 KB |
| User Manual_1 Metadata only | Users Manual | 2027-05-05 | PDF 5.6 MB |
| User Manual_2 Metadata only | Users Manual | 2027-05-05 | PDF 5.7 MB |
| User Manual_3 Metadata only | Users Manual | 2027-05-05 | PDF 3.5 MB |
| Internal Photos Metadata only | Internal Photos | 2027-05-05 | PDF 1.9 MB |
| External Photos Metadata only | External Photos | 2027-05-05 | PDF 743.6 KB |
| Test Setup Photos Metadata only | Test Setup Photos | 2027-05-05 | PDF 490.1 KB |
| Block Diagram Metadata only | Block Diagram | PDF 99.6 KB | |
| Schematic Diagram Metadata only | Schematics | PDF 437.4 KB | |
| Operation Description Metadata only | Operational Description | PDF 200.5 KB |
Application Information
| Application ID | 9BUeVeUfUp4hbEb+/kstpg== |
|---|---|
| Final Action Date | 2026-11-05 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0033993767 |
| Model | BT04 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | OttoSafe Knob |
| Responsible Party | zhanghong chun, 2225337667@qq.com  , 075589654125 |
| Non-Technical Contact | Huiying Fan, GLOCERTS TECHNOLOGY INC, huiying.fan@glocerts.com , (626) 588-8039 |
| Test Firm | Matte He, Shenzhen Tongzhou Testing Co., Ltd., Matte.He@sztz-testing.com  , 18002561799 |
| TCB Email | cb@industrial-ia.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 |
|---|---|---|
| 9BUeVeUfUp4hbEb+/kstpg== | 2026-11-05 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0022 | 15C |
Grants
TCB Grant - Application 9BUeVeUfUp4hbEb+/kstpg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 11/05/2026 Application Dated: 11/05/2026 |
| ShenZhen Bijiasuo Electronic Co.,Ltd |
| 1F,B13,DayunSoftwareTown,Heao,Yuanshan,Longgang |
| Shenzhen, China |
| Attention: zhanghong chun , CEO |
| 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: | 2BB2X-BT04 |
| Name of Grantee: | ShenZhen Bijiasuo Electronic Co.,Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | OttoSafe Knob |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0022 |
| Output Power listed is the maximum conducted output power. This device must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. Device meets SAR Exemption for Portable use. |