FCC ID 2AABZ-DE253TX
THEOS Digital Wireless 2ch Kit
by Aputure Imaging Industries Co., Ltd
Grantee Code: 2AABZ Product Code: DE253TX
Latest application date: 2025-08-22
FCC ID Device Details
| FCC ID | 2AABZ-DE253TX |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AABZ |
| Product Code | DE253TX |
| Applicant Business | Aputure Imaging Industries Co., Ltd 🇨🇳 |
| Related Domains |  aputure.com |
| Equipment Class | THEOS Digital Wireless 2ch Kit |
| Test Firm | Bay Area Compliance Laboratories Corp. (Dongguan) |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 550-607.9 MHz | Class II permissive change or modification of presently authorized equipment | 2025-08-22 |
| 2440 MHz | Original Equipment | 2024-03-11 |
| 550-607.9 MHz | Original Equipment | 2024-03-11 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2025-08-22 | PDF 3.8 MB |
| User Manual Warning | Users Manual | 2025-08-22 | PDF 121.6 KB |
| User Manual | Users Manual | 2024-09-07 | PDF 2.9 MB |
| Internal Photos | Internal Photos | 2024-09-07 | PDF 3.3 MB |
| External Photos | External Photos | 2024-09-07 | PDF 1.9 MB |
| Label and Label Location | ID Label/Location Info | 2025-08-22 | PDF 200.4 KB |
| Label & Label Location | ID Label/Location Info | 2024-03-11 | PDF 200.4 KB |
| Test Setup Photos | Test Setup Photos | 2025-08-22 | PDF 173.4 KB |
| Test Setup Photos | Test Setup Photos | 2024-09-07 | PDF 606.2 KB |
| Test Setup Photos | Test Setup Photos | 2024-09-07 | PDF 719.8 KB |
| Test Report | Test Report | 2025-08-22 | PDF 1.2 MB |
| Antenna Specification | Test Report | 2024-03-11 | PDF 1.1 MB |
| Antenna Specification | Test Report | 2024-03-11 | PDF 1.1 MB |
| Test Report | Test Report | 2024-03-11 | PDF 883.8 KB |
| Test Report | Test Report | 2024-03-11 | PDF 1.1 MB |
| 2.911(d)(5)(i) Attestation Statement | Attestation Statements | 2025-08-22 | PDF 121.4 KB |
| 2.911(d)(5)(ii) Attestation Statement | Attestation Statements | 2025-08-22 | PDF 121.9 KB |
| US Agent Attestation Letter | Attestation Statements | 2025-08-22 | PDF 154.4 KB |
| 2.911 (d)(5)(i)(ii) Attestation Statement | Attestation Statements | 2024-03-11 | PDF 139 KB |
| Attestation Letter | Attestation Statements | 2024-03-11 | PDF 13.1 KB |
| US Agent Attestation Letter | Attestation Statements | 2024-03-11 | PDF 553.5 KB |
| FCC Agent Authorization Letter | Cover Letter(s) | 2025-08-22 | PDF 78.8 KB |
| Permissive Change Declaration Letter | Cover Letter(s) | 2025-08-22 | PDF 55.9 KB |
| FCC Agent Authorization Letter | Cover Letter(s) | 2024-03-11 | PDF 59.3 KB |
| FCC Long and Short term Confidentiality Request | Cover Letter(s) | 2024-03-11 | PDF 82.3 KB |
| RF Exposure Information | RF Exposure Info | 2025-08-22 | PDF 109 KB |
| RF Exposure | RF Exposure Info | 2024-03-11 | PDF 137.8 KB |
| RF Exposure | RF Exposure Info | 2024-03-11 | PDF 123.1 KB |
| Block Diagram Metadata only | Block Diagram | PDF 113.5 KB | |
| Schematics Metadata only | Schematics | PDF 245.3 KB | |
| Circuit Description Metadata only | Operational Description | PDF 182.7 KB | |
| BOM Metadata only | Parts List/Tune Up Info | PDF 471.6 KB |
Application Information
| Application ID | eEJi3ND+kj3MPddMU1YsHg== |
|---|---|
| Final Action Date | 2025-08-22 |
| Application Purpose | Class II permissive change or modification of presently authorized equipment |
| Applicant FRN | 0022693410 |
| Model | DE253TX |
| Frequency Range | 550-607.9 MHz |
| Equipment Class | DWM - Part 15 Wireless Microphone |
| Device Description | THEOS Digital Wireless 2ch Kit |
| Responsible Party | Henry Zhang, Purchasing Supervisor, henry.zhang@aputure.com , +86-755-28105650 |
| Test Firm | David Zhang, Bay Area Compliance Laboratories Corp. (Dongguan), qa.dg@baclcorp.com  , 0086-769-8685-8891 |
| TCB Email | bacl.regulatory@baclcorp.com |
| TCB Scope | A1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | No |
| 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 | Power listed is EIRP. Class II Permissive Change Necessary Bandwidth for this filing. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| eEJi3ND+kj3MPddMU1YsHg== | 2025-08-22 | Class II permissive change or modification of presently authorized equipment |
| ikt7smvVjCQYXbukt6h5Tg== | 2024-03-11 | Original Equipment |
| 4bDx5L4So5W8W20R71pelQ== | 2024-03-11 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application ikt7smvVjCQYXbukt6h5Tg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Bay Area Compliance Laboratories Corp. 1274 Anvilwood Avenue Sunnyvale, CA 94089 |
Date of Grant: 03/11/2024 Application Dated: 03/11/2024 |
| Aputure Imaging Industries Co., Ltd |
| 3rd Floor, Building 21, Longjun industrial |
| estate, Longhua, Bao'an, Shenzhen, P.R.China |
| Shenzhen, China |
| Attention: Mei Hua Wen , Purchasing Supervisor |
| 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: | 2AABZ-DE253TX |
| Name of Grantee: | Aputure Imaging Industries Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | THEOS Digital Wireless 2ch Kit |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2440.0 - 2440.0 | 0.0022 |
| Power listed is conducted. |
EAS Grant - Application ikt7smvVjCQYXbukt6h5Tg==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Aputure Imaging Industries Co., Ltd 3rd Floor, Building 21, Longjun industrial estate, Longhua, Bao'an, Shenzhen, P.R.China Shenzhen, China |
Date of Grant: 03/11/2024 Application Dated: 03/11/2024 |
| Attention: Mei Hua Wen , Purchasing Supervisor |
| 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: | 2AABZ-DE253TX |
| Name of Grantee: | Aputure Imaging Industries Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | THEOS Digital Wireless 2ch Kit |
| Modular Type: | Does not apply |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2440.0 - 2440.0 | 0.0022 |
| Power listed is conducted. |
| Mail To: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Bay Area Compliance Laboratories Corp. 1274 Anvilwood Avenue Sunnyvale, CA 94089 |
Date of Grant: 08/22/2025 Application Dated: 08/22/2025 |
| Aputure Imaging Industries Co., Ltd |
| Floor 1, Building 21, Baolongjun Industrial Park, |
| No.1004, Longhua Heping Road, Longping Community, |
| Dalang Street, Longhua District, Shenzhen, 518110 China |
| Attention: Henry Zhang , Product Compliance 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: | 2AABZ-DE253TX |
| Name of Grantee: | Aputure Imaging Industries Co., Ltd |
| Equipment Class: | Part 15 Wireless Microphone |
| Notes: | THEOS Digital Wireless 2ch Kit |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 550.0 - 607.9 | 0.0095 |
| Power listed is EIRP. Class II Permissive Change Necessary Bandwidth for this filing. |
TCB Grant - Application 4bDx5L4So5W8W20R71pelQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Bay Area Compliance Laboratories Corp. 1274 Anvilwood Avenue Sunnyvale, CA 94089 |
Date of Grant: 03/11/2024 Application Dated: 03/11/2024 |
| Aputure Imaging Industries Co., Ltd |
| 3rd Floor, Building 21, Longjun industrial |
| estate, Longhua, Bao'an, Shenzhen, P.R.China |
| Shenzhen, China |
| Attention: Mei Hua Wen , Purchasing Supervisor |
| 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: | 2AABZ-DE253TX |
| Name of Grantee: | Aputure Imaging Industries Co., Ltd |
| Equipment Class: | Part 15 Wireless Microphone |
| Notes: | THEOS Digital Wireless 2ch Kit |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 550.0 - 607.9 | 0.0095 |
| Power listed is EIRP. |
EAS Grant - Application 4bDx5L4So5W8W20R71pelQ==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Aputure Imaging Industries Co., Ltd 3rd Floor, Building 21, Longjun industrial estate, Longhua, Bao'an, Shenzhen, P.R.China Shenzhen, China |
Date of Grant: 03/11/2024 Application Dated: 03/11/2024 |
| Attention: Mei Hua Wen , Purchasing Supervisor |
| 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: | 2AABZ-DE253TX |
| Name of Grantee: | Aputure Imaging Industries Co., Ltd |
| Equipment Class: | Part 15 Wireless Microphone |
| Notes: | THEOS Digital Wireless 2ch Kit |
| Modular Type: | Does not apply |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 550.0 - 607.9 | 0.0095 |
| Power listed is EIRP. |
| Mail To: |