FCC ID QOQWT41U
Bluetooth USB Stick
by Silicon Laboratories Finland Oy
Grantee Code: QOQ Product Code: WT41U
Latest application date: 2020-09-11
FCC ID Device Details
| FCC ID | QOQWT41U |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | QOQ |
| Product Code | WT41U |
| Applicant Business | Silicon Laboratories Finland Oy 🇫🇮 |
| Related Domains |  silabs.com  m2mgermany.de |
| Equipment Class | Bluetooth USB Stick |
| Test Firm | Eurofins Product Service GmbH |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Class II permissive change or modification of presently authorized equipment | 2020-09-11 |
| 2402-2480 MHz | Class II permissive change or modification of presently authorized equipment | 2019-07-03 |
| 2402-2480 MHz | Class II permissive change or modification of presently authorized equipment | 2017-08-31 |
| 2402-2480 MHz | Original Equipment | 2016-11-23 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual 1 of 2 | Users Manual | 2020-09-11 | PDF 926.4 KB |
| User manual 2 of 2 | Users Manual | 2020-09-11 | PDF 956.6 KB |
| Data Sheet | Users Manual | 2017-08-31 | PDF 2.5 MB |
| Users Manual | Users Manual | 2016-11-23 | PDF 961.8 KB |
| Internal photograph 1 of 2 | Internal Photos | 2019-07-03 | PDF 359.4 KB |
| Internal photograph 2 of 2 | Internal Photos | 2019-07-03 | PDF 618 KB |
| Internal Photos | Internal Photos | 2017-08-31 | PDF 212.7 KB |
| Internal Photos | Internal Photos | 2016-11-23 | PDF 314 KB |
| External photographs 1 of 2 | External Photos | 2020-09-11 | PDF 3.5 MB |
| External photographs 2 of 2 | External Photos | 2020-09-11 | PDF 3.4 MB |
| External Photos | External Photos | 2017-08-31 | PDF 212.7 KB |
| External photos | External Photos | 2016-11-23 | PDF 314 KB |
| Label location 1 of 2 | ID Label/Location Info | 2020-09-11 | PDF 713.7 KB |
| Label location 2 of 2 | ID Label/Location Info | 2020-09-11 | PDF 1.9 MB |
| Label Location | ID Label/Location Info | 2017-08-31 | PDF 86.2 KB |
| Label | ID Label/Location Info | 2016-11-23 | PDF 135 KB |
| Block diagram | Block Diagram | 2020-09-11 | PDF 14.9 KB |
| Test Setup Photos | Test Setup Photos | 2017-08-31 | PDF 1.4 MB |
| Test Setup Photos | Test Setup Photos | 2016-11-23 | PDF 773.2 KB |
| SAR test report part 1 of 3 | RF Exposure Info | 2020-09-11 | PDF 5.3 MB |
| SAR test report part 2 of 3 | RF Exposure Info | 2020-09-11 | PDF 3.6 MB |
| SAR test report part 3 of 3 | RF Exposure Info | 2020-09-11 | PDF 4.1 MB |
| Test report | Test Report | 2019-07-03 | PDF 3.9 MB |
| Test Report | Test Report | 2017-08-31 | PDF 1.6 MB |
| Test Report | Test Report | 2016-11-23 | PDF 3.4 MB |
| Agent authorisation | Cover Letter(s) | 2020-09-11 | PDF 49 KB |
| Class II Permissive Change letter | Cover Letter(s) | 2020-09-11 | PDF 58.2 KB |
| Authority to act as agent | Cover Letter(s) | 2019-07-03 | PDF 56.5 KB |
| Class II permissive change description | Cover Letter(s) | 2019-07-03 | PDF 177.4 KB |
| Confidentiality request | Cover Letter(s) | 2019-07-03 | PDF 222.5 KB |
| C2PC Cover Letter | Cover Letter(s) | 2017-08-31 | PDF 21.7 KB |
| Modular Approval Cover Letter | Cover Letter(s) | 2017-08-31 | PDF 133.5 KB |
| Request for Confidentiality | Cover Letter(s) | 2017-08-31 | PDF 76.2 KB |
| Confidentiality cover letter | Cover Letter(s) | 2016-11-23 | PDF 81.6 KB |
| Modular approval request letter | Cover Letter(s) | 2016-11-23 | PDF 133.4 KB |
| RF exposure evaluation | RF Exposure Info | 2019-07-03 | PDF 128.3 KB |
| RF Exposure Analysis | RF Exposure Info | 2017-08-31 | PDF 98.7 KB |
| RF exposure info | RF Exposure Info | 2016-11-23 | PDF 98.7 KB |
| Block Diagram Metadata only | Block Diagram | PDF 190.1 KB | |
| Schematics Metadata only | Schematics | PDF 47.1 KB | |
| Schematics Metadata only | Schematics | PDF 32.3 KB | |
| Operational Description Metadata only | Operational Description | PDF 249.9 KB | |
| Operational description - antenna datasheet Metadata only | Operational Description | PDF 317.9 KB | |
| Part list Metadata only | Parts List/Tune Up Info | PDF 167.2 KB | |
| Parts List Metadata only | Parts List/Tune Up Info | PDF 211.1 KB |
Application Information
| Application ID | ckWrcbp3xEtA5svn5Rih5g== |
|---|---|
| Final Action Date | 2020-09-11 |
| Application Purpose | Class II permissive change or modification of presently authorized equipment |
| Applicant FRN | 0007782659 |
| Model | WT41U |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Bluetooth USB Stick |
| Responsible Party | Enrico Taddeo, Senior Applications and Certifications Engineer, enrico.taddeo@silabs.com , +358503237669 |
| Agent | Ralf Ralf Ralf, m2m Germany GmbH, ralf.schoula@m2mgermany.de |
| Technical Contact | Erik Lins, m2m Germany GmbH, erik.lins@m2mgermany.de |
| Non-Technical Contact | Ralf Schoula, m2m Germany GmbH, ralf.schoula@m2mgermany.de |
| Test Firm | Jorg Kusig, Eurofins Product Service GmbH, joergkusig@eurofins.de  , 49-33631-888-700 |
| TCB Email | hotline@acbcert.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | No |
| Grant Deferral | No |
| Modular Equipment | Single Modular Approval |
| Composite Device | No |
| 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 output listed is conducted. Modular approval. The antenna(s) used for this transmitter must not be co-located with any other transmitter except in accordance with FCC multi-transmitter product procedures. End-users and installers must be provided with installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device is certified for mobile and portable use in distances described in this filing. Class II permissive change to demonstrate additional RF exposure compliance as described in this filing. The highest reported SAR for body-worn accessory is 0.13 W/kg. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| ckWrcbp3xEtA5svn5Rih5g== | 2020-09-11 | Class II permissive change or modification of presently authorized equipment |
| nxy9PwOm9C4jHXaqmRfTug== | 2019-07-03 | Class II permissive change or modification of presently authorized equipment |
| alPPnkmEpWxQqZyzjQHoBg== | 2017-08-31 | Class II permissive change or modification of presently authorized equipment |
| Vk34sXo+qQj5OQ/Sb72Jnw== | 2016-11-23 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0594000 | 15C |
Grants
TCB Grant - Application Vk34sXo+qQj5OQ/Sb72Jnw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
ACB, Inc. 6731 Whittier Avenue Suite C110 McLean, VA 22101 |
Date of Grant: 11/23/2016 Application Dated: 11/22/2016 |
| Silicon Laboratories Finland Oy |
| Alberga Business Park, Bertel Jungin aukio 3 |
| Espoo, 02600 Finland |
| Attention: Enrico Taddeo , Senior Applications and Certifications Engineer |
| 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: | QOQWT41U |
| Name of Grantee: | Silicon Laboratories Finland Oy |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | WT41 long range Bluetooth 2.1+EDR module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0594 |
| Power output listed is conducted. Modular approval. The antenna(s) used for this transmitter must not be co-located with any other transmitter except in accordance with FCC multi-transmitter product procedures. End-users and installers must be provided with installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device is certified for mobile and portable use in distances described in this filing. |
EAS Grant - Application Vk34sXo+qQj5OQ/Sb72Jnw==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Silicon Laboratories Finland Oy Alberga Business Park, Bertel Jungin aukio 3 Espoo, 02600 Finland |
Date of Grant: 11/23/2016 Application Dated: 11/22/2016 |
| Attention: Enrico Taddeo , Senior Applications and Certifications Engineer |
| 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: | QOQWT41U |
| Name of Grantee: | Silicon Laboratories Finland Oy |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | WT41 long range Bluetooth 2.1+EDR module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0594 |
| Power output listed is conducted. Modular approval. The antenna(s) used for this transmitter must not be co-located with any other transmitter except in accordance with FCC multi-transmitter product procedures. End-users and installers must be provided with installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device is certified for mobile and portable use in distances described in this filing. |
| Mail To: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
ACB, Inc. 6731 Whittier Avenue Suite C110 McLean, VA 22101 |
Date of Grant: 07/03/2019 Application Dated: 07/02/2019 |
| Silicon Laboratories Finland Oy |
| Alberga Business Park, Bertel Jungin aukio 3 |
| Espoo, 02600 Finland |
| Attention: Enrico Taddeo , Senior Applications and Certifications Engineer |
| 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: | QOQWT41U |
| Name of Grantee: | Silicon Laboratories Finland Oy |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | WT41 long range Bluetooth 2.1+EDR module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0594 |
| Power output listed is conducted. Modular approval. The antenna(s) used for this transmitter must not be co-located with any other transmitter except in accordance with FCC multi-transmitter product procedures. End-users and installers must be provided with installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device is certified for mobile and portable use in distances described in this filing. Class II permissive change to add a Chip-Antenna as described in this filing. |
EAS Grant - Application nxy9PwOm9C4jHXaqmRfTug==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Silicon Laboratories Finland Oy Alberga Business Park, Bertel Jungin aukio 3 Espoo, 02600 Finland |
Date of Grant: 07/03/2019 Application Dated: 07/02/2019 |
| Attention: Enrico Taddeo , Senior Applications and Certifications Engineer |
| 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: | QOQWT41U |
| Name of Grantee: | Silicon Laboratories Finland Oy |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | WT41 long range Bluetooth 2.1+EDR module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0594 |
| Power output listed is conducted. Modular approval. The antenna(s) used for this transmitter must not be co-located with any other transmitter except in accordance with FCC multi-transmitter product procedures. End-users and installers must be provided with installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device is certified for mobile and portable use in distances described in this filing. Class II permissive change to add a Chip-Antenna as described in this filing. |
| Mail To: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
ACB, Inc. 6731 Whittier Avenue Suite C110 McLean, VA 22101 |
Date of Grant: 09/11/2020 Application Dated: 09/10/2020 |
| Silicon Laboratories Finland Oy |
| Alberga Business Park, Bertel Jungin aukio 3 |
| Espoo, 02600 Finland |
| Attention: Enrico Taddeo , Senior Applications and Certifications Engineer |
| 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: | QOQWT41U |
| Name of Grantee: | Silicon Laboratories Finland Oy |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Bluetooth USB Stick |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0594 |
| Power output listed is conducted. Modular approval. The antenna(s) used for this transmitter must not be co-located with any other transmitter except in accordance with FCC multi-transmitter product procedures. End-users and installers must be provided with installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device is certified for mobile and portable use in distances described in this filing. Class II permissive change to demonstrate additional RF exposure compliance as described in this filing. The highest reported SAR for body-worn accessory is 0.13 W/kg. |
EAS Grant - Application ckWrcbp3xEtA5svn5Rih5g==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Silicon Laboratories Finland Oy Alberga Business Park, Bertel Jungin aukio 3 Espoo, 02600 Finland |
Date of Grant: 09/11/2020 Application Dated: 09/10/2020 |
| Attention: Enrico Taddeo , Senior Applications and Certifications Engineer |
| 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: | QOQWT41U |
| Name of Grantee: | Silicon Laboratories Finland Oy |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Bluetooth USB Stick |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0594 |
| Power output listed is conducted. Modular approval. The antenna(s) used for this transmitter must not be co-located with any other transmitter except in accordance with FCC multi-transmitter product procedures. End-users and installers must be provided with installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device is certified for mobile and portable use in distances described in this filing. Class II permissive change to demonstrate additional RF exposure compliance as described in this filing. The highest reported SAR for body-worn accessory is 0.13 W/kg. |
| Mail To: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
ACB, Inc. 6731 Whittier Avenue Suite C110 McLean, VA 22101 |
Date of Grant: 08/31/2017 Application Dated: 08/05/2017 |
| Silicon Laboratories Finland Oy |
| Alberga Business Park, Bertel Jungin aukio 3 |
| Espoo, 02600 Finland |
| Attention: Enrico Taddeo , Senior Applications and Certifications Engineer |
| 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: | QOQWT41U |
| Name of Grantee: | Silicon Laboratories Finland Oy |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | WT41u long range Bluetooth 2.1+EDR module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0594 |
| Power output listed is conducted. Modular approval. The antenna(s) used for this transmitter must not be co-located with any other transmitter except in accordance with FCC multi-transmitter product procedures. End-users and installers must be provided with installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device is certified for mobile and portable use in distances described in this filing. C2PC application to add a new model with an RF pin. |
EAS Grant - Application alPPnkmEpWxQqZyzjQHoBg==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Silicon Laboratories Finland Oy Alberga Business Park, Bertel Jungin aukio 3 Espoo, 02600 Finland |
Date of Grant: 08/31/2017 Application Dated: 08/05/2017 |
| Attention: Enrico Taddeo , Senior Applications and Certifications Engineer |
| 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: | QOQWT41U |
| Name of Grantee: | Silicon Laboratories Finland Oy |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | WT41u long range Bluetooth 2.1+EDR module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0594 |
| Power output listed is conducted. Modular approval. The antenna(s) used for this transmitter must not be co-located with any other transmitter except in accordance with FCC multi-transmitter product procedures. End-users and installers must be provided with installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device is certified for mobile and portable use in distances described in this filing. C2PC application to add a new model with an RF pin. |
| Mail To: |