FCC ID QKWBCU2
Control unit for welding inverters
by FRONIUS International gmbh
Grantee Code: QKW Product Code: BCU2
Latest application date: 2026-01-29
FCC ID Device Details
| FCC ID | QKWBCU2 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | QKW |
| Product Code | BCU2 |
| Applicant Business | FRONIUS International gmbh 🇦🇹 |
| Related Domains |  fronius.com |
| Equipment Class | Control unit for welding inverters |
| Test Firm | NMi TESTLAB GmbH |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2026-01-29 |
| 13.56 MHz | Original Equipment | 2026-01-29 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-01-29 | PDF 1.7 MB |
| int photos | Internal Photos | 2026-01-29 | PDF 2.2 MB |
| int photos | Internal Photos | 2026-01-29 | PDF 2.3 MB |
| ext photos | External Photos | 2026-01-29 | PDF 311.2 KB |
| ext photos | External Photos | 2026-01-29 | PDF 688 KB |
| ext photos | External Photos | 2026-01-29 | PDF 669.9 KB |
| Label and Location | ID Label/Location Info | 2026-01-29 | PDF 311.2 KB |
| label and location | ID Label/Location Info | 2026-01-29 | PDF 311.2 KB |
| Test Setup WLAN | Test Setup Photos | 2026-01-29 | PDF 959.4 KB |
| Test Setup photos BLE | Test Setup Photos | 2026-01-29 | PDF 714.6 KB |
| test setup photos | Test Setup Photos | 2026-01-29 | PDF 394.9 KB |
| test setup photos NFC | Test Setup Photos | 2026-01-29 | PDF 810.5 KB |
| test setup photos sim | Test Setup Photos | 2026-01-29 | PDF 497.3 KB |
| Test Report BLE | Test Report | 2026-01-29 | PDF 1.3 MB |
| Test Report NFC | Test Report | 2026-01-29 | PDF 687.4 KB |
| Test Report WLAN | Test Report | 2026-01-29 | PDF 1.4 MB |
| Test Report sim | Test Report | 2026-01-29 | PDF 939.8 KB |
| test report | Test Report | 2026-01-29 | PDF 791.2 KB |
| Antenna Datasheet | Attestation Statements | 2026-01-29 | PDF 3.5 MB |
| Attestaion letter Covered Equipment | Attestation Statements | 2026-01-29 | PDF 494.3 KB |
| Attestation Antenna Justification | Attestation Statements | 2026-01-29 | PDF 75 KB |
| Attestation Letter Covered Equipment | Attestation Statements | 2026-01-29 | PDF 494.3 KB |
| Attestation Letter US Agent | Attestation Statements | 2026-01-29 | PDF 544 KB |
| Attestation letter US Agent | Attestation Statements | 2026-01-29 | PDF 544 KB |
| LTC Request | Cover Letter(s) | 2026-01-29 | PDF 79.9 KB |
| PoA | Cover Letter(s) | 2026-01-29 | PDF 107.8 KB |
| RF Exposure | RF Exposure Info | 2026-01-29 | PDF 349.3 KB |
| RF expsoure | RF Exposure Info | 2026-01-29 | PDF 349.3 KB |
| Block Diagram Metadata only | Block Diagram | PDF 1.7 MB | |
| Block Diagram Module Metadata only | Block Diagram | PDF 123.2 KB | |
| Block Diagram module Metadata only | Block Diagram | PDF 123.2 KB | |
| Schematics Metadata only | Schematics | PDF 2.2 MB | |
| Schemtics MOdule Metadata only | Schematics | PDF 282.8 KB | |
| schematics Metadata only | Schematics | PDF 2.2 MB | |
| schematics Module Metadata only | Schematics | PDF 282.8 KB | |
| schematics module Metadata only | Schematics | PDF 282.8 KB | |
| Operational Description Metadata only | Operational Description | PDF 29.8 KB | |
| operational Description Metadata only | Operational Description | PDF 29.8 KB | |
| operational description Metadata only | Operational Description | PDF 29.8 KB |
Application Information
| Application ID | sk3QqS7QvMhpRXLeV6mmLw== |
|---|---|
| Final Action Date | 2026-01-29 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0007536717 |
| Model | BCU2 |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Control unit for welding inverters |
| Responsible Party | Peter Boxleitner, boxleitner.peter@fronius.com , 00437242241 |
| Non-Technical Contact | Klaus Strassmaier, Fronius USA LLC, strassmair.klaus@fronius.com |
| Test Firm | Holger Bentje, NMi TESTLAB GmbH, holger.bentje@nmi-testlab.de  , 49-5235-9500-24 |
| TCB Email | Brandhorst.dirk@phoenix-testlab.de  |
| 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 | 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 |
|---|---|---|
| sk3QqS7QvMhpRXLeV6mmLw== | 2026-01-29 | Original Equipment |
| EYbtVQXh9TxckJU+M+cENw== | 2026-01-29 | Original Equipment |
| 6luK+FuGg7YVwxKNMkjExQ== | 2026-01-29 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application sk3QqS7QvMhpRXLeV6mmLw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
PHOENIX TESTLAB GmbH Koenigswinkel 10 32825 Blomberg, Germany |
Date of Grant: 01/29/2026 Application Dated: 01/29/2026 |
| FRONIUS International gmbh |
| G. Fronius Strasse 1 |
| Thalheim bei Wels, A-4600 Austria |
| Attention: Peter Boxleitner , Mr. |
| 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: | QKWBCU2 |
| Name of Grantee: | FRONIUS International gmbh |
| Equipment Class: | Digital Transmission System |
| Notes: | Control unit for welding inverters |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.001 | ||
| CC | 15C | 2412.0 - 2462.0 | 0.01 |
| Output Power listed is max peak conducted (2402-2480 MHz) and max conducted (2412-2462 MHz). This device supports BLE (125kbps, 500kbps, 1Mbps and 2Mbps) and WIFI 802.11 b/g/n (20/40 MHz channel bandwidth). |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application EYbtVQXh9TxckJU+M+cENw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
PHOENIX TESTLAB GmbH Koenigswinkel 10 32825 Blomberg, Germany |
Date of Grant: 01/29/2026 Application Dated: 01/29/2026 |
| FRONIUS International gmbh |
| G. Fronius Strasse 1 |
| Thalheim bei Wels, A-4600 Austria |
| Attention: Peter Boxleitner , Mr. |
| 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: | QKWBCU2 |
| Name of Grantee: | FRONIUS International gmbh |
| Equipment Class: | Part 15 Low Power Communication Device Transmitter |
| Notes: | Control unit for welding inverters |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 13.56 - 13.56 |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application 6luK+FuGg7YVwxKNMkjExQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
PHOENIX TESTLAB GmbH Koenigswinkel 10 32825 Blomberg, Germany |
Date of Grant: 01/29/2026 Application Dated: 01/29/2026 |
| FRONIUS International gmbh |
| G. Fronius Strasse 1 |
| Thalheim bei Wels, A-4600 Austria |
| Attention: Peter Boxleitner , Mr. |
| 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: | QKWBCU2 |
| Name of Grantee: | FRONIUS International gmbh |
| Equipment Class: | Part 15 Class B Digital Device |
| Notes: | Control unit for welding inverters |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15B | - |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |