FCC ID 2BEWXSC162
Smart Battery Doorbell
by Zhejiang Lingzhu Technology Co., Ltd.
Grantee Code: 2BEWX Product Code: SC162
Latest application date: 2025-03-31
FCC ID Device Details
| FCC ID | 2BEWXSC162 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BEWX |
| Product Code | SC162 |
| Applicant Business | Zhejiang Lingzhu Technology Co., Ltd. 🇨🇳 |
| Related Domains |  smartlz.com |
| Equipment Class | Smart Battery Doorbell |
| Test Firm | TUV SUD Certification and Testing (China) Co., Ltd |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Class II permissive change or modification of presently authorized equipment | 2025-03-31 |
| 2402-2480 MHz | Original Equipment | 2024-04-29 |
| 433.92 MHz | Original Equipment | 2024-04-29 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual Rev1 | Users Manual | 2025-03-31 | PDF 2.8 MB |
| Users Manual | Users Manual | 2024-04-29 | PDF 913.8 KB |
| Internal Photos | Internal Photos | 2025-09-24 | PDF 1.9 MB |
| Internal Photos | Internal Photos | 2024-10-24 | PDF 1.7 MB |
| External Photos | External Photos | 2025-03-31 | PDF 709.8 KB |
| External Photos | External Photos | 2024-04-29 | PDF 819 KB |
| Setup Photos for 2.4GHz Rev1 | External Photos | 2024-04-29 | PDF 598.9 KB |
| Label and Location | ID Label/Location Info | 2025-03-31 | PDF 765.6 KB |
| Test Setup Photos | Test Setup Photos | 2025-03-31 | PDF 579 KB |
| Setup Photos for 2.4GHz Rev1 | Test Setup Photos | 2024-04-29 | PDF 598.9 KB |
| Setup Photos for 433.92MHz Rev1 | Test Setup Photos | 2024-04-29 | PDF 454.2 KB |
| Anntenna Specification | Test Report | 2025-03-31 | PDF 498.5 KB |
| RF Test Report of 2.4GHz Wi-Fi | Test Report | 2025-03-31 | PDF 2.7 MB |
| RF Test Report of BLE | Test Report | 2025-03-31 | PDF 2 MB |
| Antenna Specification for 2.4GHz | Test Report | 2024-04-29 | PDF 589.6 KB |
| Antenna Specification for 433MHz | Test Report | 2024-04-29 | PDF 578.7 KB |
| RF Test Report of 433.92MHz Transmitter | Test Report | 2024-04-29 | PDF 863 KB |
| RF Test Report of BLE | Test Report | 2024-04-29 | PDF 3.8 MB |
| RF Test Report of Report 2.4G Wi-Fi | Test Report | 2024-04-29 | PDF 5.4 MB |
| Attestation Statements US Agent | Attestation Statements | 2025-03-31 | PDF 164.7 KB |
| Covered Equipment Attestation | Attestation Statements | 2025-03-31 | PDF 112.8 KB |
| Covered Equipment Attestation | Attestation Statements | 2024-04-29 | PDF 133.6 KB |
| Class II Permissive Change Request Letter | Cover Letter(s) | 2025-03-31 | PDF 191.6 KB |
| Confidentiality Letter | Cover Letter(s) | 2025-03-31 | PDF 99 KB |
| FCC Agent Authorisation | Cover Letter(s) | 2025-03-31 | PDF 49 KB |
| Model Difference Statement Letter | Cover Letter(s) | 2025-03-31 | PDF 108.1 KB |
| WIFI Channel 12 and 13 Declaration Letter | Cover Letter(s) | 2025-03-31 | PDF 118.5 KB |
| FCC Agent Authorisation | Cover Letter(s) | 2024-04-29 | PDF 43.7 KB |
| FCC Confidentiailty | Cover Letter(s) | 2024-04-29 | PDF 94 KB |
| SDOC Declaration Letter Rev1 | Cover Letter(s) | 2024-04-29 | PDF 103.4 KB |
| WIFI Channel 12 and 13 Declaration Letter | Cover Letter(s) | 2024-04-29 | PDF 113.2 KB |
| MPE Report | RF Exposure Info | 2025-03-31 | PDF 194.4 KB |
| MPE Report | RF Exposure Info | 2024-04-29 | PDF 193.9 KB |
| Block Diagram Metadata only | Block Diagram | PDF 171.5 KB | |
| Block Diagram Metadata only | Block Diagram | PDF 174.2 KB | |
| PCB Layout Metadata only | Schematics | PDF 358.6 KB | |
| PCB layout Metadata only | Schematics | PDF 358.6 KB | |
| Schematics Metadata only | Schematics | PDF 536.4 KB | |
| schematic diagram Metadata only | Schematics | PDF 536.4 KB | |
| Operational Description Metadata only | Operational Description | PDF 134.2 KB | |
| Operational Description Metadata only | Operational Description | PDF 138.4 KB |
Application Information
| Application ID | L81JxcvzjmryAhg3l0wLZg== |
|---|---|
| Final Action Date | 2025-03-31 |
| Application Purpose | Class II permissive change or modification of presently authorized equipment |
| Applicant FRN | 0034841213 |
| Model | SC162 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Smart Battery Doorbell |
| Responsible Party | Linyun Li, Manager, lilinyun@smartlz.com , 0571-86581786 |
| Agent | Hui Hui Hui, TUV SUD Certification China, Hui.Tong@tuvsud.com  , 02160379151 |
| Test Firm | Yi Ba, TUV SUD Certification and Testing (China) Co., Ltd, yi.ba@tuvsud.com , 86-21-6140-0132 |
| TCB Email | zhining.zhang@tuvsud.com |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 09/24/2025 |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Class II permissive change. Power output listed is conducted power. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons to satisfy the requirements of 2.1091. End-users must be provided with transmitter operation conditions for satisfying RF exposure compliance. This device operates in 20 MHz and 40 MHz bandwidth modes. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| L81JxcvzjmryAhg3l0wLZg== | 2025-03-31 | Class II permissive change or modification of presently authorized equipment |
| vGySd+5rWGZ2b0rhRNphug== | 2024-04-29 | Original Equipment |
| Vni/Libyy7hIbzd76Gelcg== | 2024-04-29 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application Vni/Libyy7hIbzd76Gelcg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
TUV SUD BABT UNLIMITED Octagon House, Concorde Way Segensworth North Fareham, PO15 5RL United Kingdom |
Date of Grant: 04/29/2024 Application Dated: 04/28/2024 |
| Zhejiang Lingzhu Technology Co., Ltd. |
| Room 302,No 1 Building Huace Center,Xihu District |
| Hangzhou, 310000 China |
| Attention: Linyun Li , 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: | 2BEWXSC162 |
| Name of Grantee: | Zhejiang Lingzhu Technology Co., Ltd. |
| Equipment Class: | Part 15 Security/Remote Control Transmitter |
| Notes: | Smart Battery Doorbell |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15.231 | 433.92 - 433.92 |
| The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons to satisfy the requirements of 2.1091. End-users must be provided with transmitter operation conditions for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
EAS Grant - Application Vni/Libyy7hIbzd76Gelcg==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Zhejiang Lingzhu Technology Co., Ltd. Room 302,No 1 Building Huace Center,Xihu District Hangzhou, 310000 China |
Date of Grant: 04/29/2024 Application Dated: 04/28/2024 |
| Attention: Linyun Li , 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: | 2BEWXSC162 |
| Name of Grantee: | Zhejiang Lingzhu Technology Co., Ltd. |
| Equipment Class: | Part 15 Security/Remote Control Transmitter |
| Notes: | Smart Battery Doorbell |
| Modular Type: | Does not apply |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15.231 | 433.92 - 433.92 |
| The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons to satisfy the requirements of 2.1091. End-users must be provided with transmitter operation conditions for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| Mail To: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
TUV SUD BABT UNLIMITED Octagon House, Concorde Way Segensworth North Fareham, PO15 5RL United Kingdom |
Date of Grant: 04/29/2024 Application Dated: 04/29/2024 |
| Zhejiang Lingzhu Technology Co., Ltd. |
| Room 302,No 1 Building Huace Center,Xihu District |
| Hangzhou, 310000 China |
| Attention: Linyun Li , 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: | 2BEWXSC162 |
| Name of Grantee: | Zhejiang Lingzhu Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Smart Battery Doorbell |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2412.0 - 2462.0 | 0.37068 | ||
| CC | 15C | 2422.0 - 2452.0 | 0.28379 | ||
| CC | 15C | 2402.0 - 2480.0 | 0.00658 |
| Power output listed is conducted power. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons to satisfy the requirements of 2.1091. End-users must be provided with transmitter operation conditions for satisfying RF exposure compliance.
This device operates in 20 MHz and 40 MHz bandwidth modes. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
EAS Grant - Application vGySd+5rWGZ2b0rhRNphug==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Zhejiang Lingzhu Technology Co., Ltd. Room 302,No 1 Building Huace Center,Xihu District Hangzhou, 310000 China |
Date of Grant: 04/29/2024 Application Dated: 04/29/2024 |
| Attention: Linyun Li , 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: | 2BEWXSC162 |
| Name of Grantee: | Zhejiang Lingzhu Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Smart Battery Doorbell |
| Modular Type: | Does not apply |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2412.0 - 2462.0 | 0.37068 | ||
| CC | 15C | 2422.0 - 2452.0 | 0.28379 | ||
| CC | 15C | 2402.0 - 2480.0 | 0.00658 |
| Power output listed is conducted power. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons to satisfy the requirements of 2.1091. End-users must be provided with transmitter operation conditions for satisfying RF exposure compliance.
This device operates in 20 MHz and 40 MHz bandwidth modes. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| Mail To: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
TUV SUD BABT UNLIMITED Octagon House, Concorde Way Segensworth North Fareham, PO15 5RL United Kingdom |
Date of Grant: 03/31/2025 Application Dated: 03/31/2025 |
| Zhejiang Lingzhu Technology Co., Ltd. |
| Room 302,No 1 Building Huace Center,Xihu District |
| Hangzhou, 310000 China |
| Attention: Linyun Li , 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: | 2BEWXSC162 |
| Name of Grantee: | Zhejiang Lingzhu Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Smart Battery Doorbell |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2412.0 - 2462.0 | 0.37068 | ||
| CC | 15C | 2422.0 - 2452.0 | 0.28379 | ||
| CC | 15C | 2402.0 - 2480.0 | 0.00658 |
| Class II permissive change. Power output listed is conducted power. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons to satisfy the requirements of 2.1091. End-users must be provided with transmitter operation conditions for satisfying RF exposure compliance. This device operates in 20 MHz and 40 MHz bandwidth modes. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |