FCC ID 2BU5O-TRL550
Laser leveling instrument
by Tianhui Electric (Suzhou) Co., Limited
Grantee Code: 2BU5O Product Code: TRL550
Latest application date: 2026-04-29
FCC ID Device Details
| FCC ID | 2BU5O-TRL550 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BU5O |
| Product Code | TRL550 |
| Applicant Business | Tianhui Electric (Suzhou) Co., Limited 🇨🇳 |
| Related Domains |  tydq-hk.com  lobos-lowa.com |
| Equipment Class | Laser leveling instrument |
| Test Firm | HD TESTING TECHNOLOGY (GUANGDONG) CO., LTD. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2405-2480 MHz | Original Equipment | 2026-04-29 |
| 2402-2480 MHz | Original Equipment | 2026-04-29 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-04-29 | PDF 2 MB |
| Int photo | Internal Photos | 2026-04-29 | PDF 3 MB |
| Ext photo | External Photos | 2026-04-29 | PDF 915.9 KB |
| Label and Location | ID Label/Location Info | 2026-04-29 | PDF 97.1 KB |
| Test Setup | Test Setup Photos | 2026-04-29 | PDF 3.8 MB |
| 2.4G PCB ANT | Test Report | 2026-04-29 | PDF 396.7 KB |
| Antenna Report | Test Report | 2026-04-29 | PDF 243.8 KB |
| Appendix A Test Results of Bluetooth BLE | Test Report | 2026-04-29 | PDF 2.9 MB |
| Test Report_2.4G | Test Report | 2026-04-29 | PDF 1.4 MB |
| Test Report_BLE | Test Report | 2026-04-29 | PDF 1 MB |
| Attestation Statements-Kaspersky | Attestation Statements | 2026-04-29 | PDF 121.5 KB |
| Attestation Statements-Not Covered | Attestation Statements | 2026-04-29 | PDF 95.1 KB |
| US Agent attestation | Attestation Statements | 2026-04-29 | PDF 72.5 KB |
| Confidentiality request | Cover Letter(s) | 2026-04-29 | PDF 66.2 KB |
| Model difference | Cover Letter(s) | 2026-04-29 | PDF 57.6 KB |
| POA | Cover Letter(s) | 2026-04-29 | PDF 44.5 KB |
| RF exposure | RF Exposure Info | 2026-04-29 | PDF 373.5 KB |
| Block Diagram Metadata only | Block Diagram | PDF 120.6 KB | |
| Schematics Metadata only | Schematics | PDF 862.5 KB | |
| Operational Description Metadata only | Operational Description | PDF 62 KB |
Application Information
| Application ID | pJoknWXNg57tJPXM/9APdQ== |
|---|---|
| Final Action Date | 2026-04-29 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0038131439 |
| Model | TRL550 |
| Frequency Range | 2405-2480 MHz |
| Equipment Class | DXX - Part 15 Low Power Communication Device Transmitter |
| Device Description | Laser leveling instrument |
| Responsible Party | Qichao Xu, xqc@tydq-hk.com , +86 18362162191 |
| Non-Technical Contact | Harley Li, LOBOS IOWA INC, info@lobos-lowa.com , (818)818-0538 |
| Test Firm | Bruce Zhang, HD TESTING TECHNOLOGY (GUANGDONG) CO., LTD., Bruce.zhang@keys-lab.com  , +86 0769-22221088 |
| TCB Email | joe_chew@derycom-us.com  |
| TCB Scope | A2: Low Power Transmitters (except Spread Spectrum) and radar detectors operating above 1 GHz |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| 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 |
|---|---|---|
| pJoknWXNg57tJPXM/9APdQ== | 2026-04-29 | Original Equipment |
| UsxSgELpOifNfb8gYJRr9w== | 2026-04-29 | Original Equipment |
Grants
TCB Grant - Application UsxSgELpOifNfb8gYJRr9w==
| 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: 04/29/2026 Application Dated: 04/29/2026 |
| Tianhui Electric (Suzhou) Co., Limited |
| No. 1801 Pangjin Road, |
| Wujiang Economic Development Zone |
| Suzhou, Jiangsu Province, China |
| Attention: Qichao Xu , |
| 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: | 2BU5O-TRL550 |
| Name of Grantee: | Tianhui Electric (Suzhou) Co., Limited |
| Equipment Class: | Digital Transmission System |
| Notes: | Laser leveling instrument |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.00219 |
| Output power listed is conducted power. 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. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application pJoknWXNg57tJPXM/9APdQ==
| 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: 04/29/2026 Application Dated: 04/29/2026 |
| Tianhui Electric (Suzhou) Co., Limited |
| No. 1801 Pangjin Road, |
| Wujiang Economic Development Zone |
| Suzhou, Jiangsu Province, China |
| Attention: Qichao Xu , |
| 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: | 2BU5O-TRL550 |
| Name of Grantee: | Tianhui Electric (Suzhou) Co., Limited |
| Equipment Class: | Part 15 Low Power Communication Device Transmitter |
| Notes: | Laser leveling instrument |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2405.0 - 2480.0 |
| 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. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |