FCC ID: QOQWT41U Bluetooth USB Stick

by: Silicon Laboratories Finland Oy latest update: 2020-09-11 model: WT41U

Four grants have been issued under this FCC ID from 11/23/2016 to 09/11/2020 (this is one of nine releases in 2020 for this grantee). Public details available include frequency information, internal & external photos, and manuals. some products also feature user submitted or linked drivers, password defaults, warrantee terms, troubleshooting guides, & instructions.
permalink for this FCC identifier
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app s submitted / available
1 2 3 4 Data Sheet Users Manual pdf 2.50 MiB
1 2 3 4 User manual 1 of 2 Users Manual pdf 926.42 KiB September 10 2020 / September 11 2020
1 2 3 4 User manual 2 of 2 Users Manual pdf 956.65 KiB September 10 2020 / September 11 2020
1 2 3 4 Users Manual Users Manual pdf 961.76 KiB
1 2 3 4 External photographs 1 of 2 External Photos pdf 3.53 MiB September 10 2020 / September 11 2020
1 2 3 4 External photographs 2 of 2 External Photos pdf 3.37 MiB September 10 2020 / September 11 2020
1 2 3 4 Label location 1 of 2 ID Label/Location Info pdf 713.72 KiB September 10 2020 / September 11 2020
1 2 3 4 Label location 2 of 2 ID Label/Location Info pdf 1.91 MiB September 10 2020 / September 11 2020
1 2 3 4 Agent authorisation Cover Letter(s) pdf 48.99 KiB September 10 2020 / September 11 2020
1 2 3 4 Block diagram Block Diagram pdf 14.95 KiB September 10 2020 / September 11 2020
1 2 3 4 Class II Permissive Change letter Cover Letter(s) pdf 58.16 KiB September 10 2020 / September 11 2020
1 2 3 4 SAR test report part 1 of 3 RF Exposure Info pdf 5.26 MiB September 10 2020 / September 11 2020
1 2 3 4 SAR test report part 2 of 3 RF Exposure Info pdf 3.60 MiB September 10 2020 / September 11 2020
1 2 3 4 SAR test report part 3 of 3 RF Exposure Info pdf 4.07 MiB September 10 2020 / September 11 2020
1 2 3 4 Cover Letter(s) pdf / March 07 2019
1 2 3 4 Cover Letter(s) pdf February 07 2019 / March 07 2019
1 2 3 4 Cover Letter(s) pdf February 07 2019 / March 07 2019
1 2 3 4 Internal Photos pdf February 07 2019 / March 07 2019
1 2 3 4 Internal Photos pdf February 07 2019 / March 07 2019
1 2 3 4 Operational description - antenna datasheet Operational Description pdf July 02 2019 confidential
1 2 3 4 RF Exposure Info pdf February 07 2019 / March 07 2019
1 2 3 4 Test Report pdf February 07 2019 / March 07 2019
1 2 3 4 Cover Letter(s) pdf
1 2 3 4 External Photos pdf
1 2 3 4 Internal Photos pdf
1 2 3 4 ID Label/Location Info pdf
1 2 3 4 Cover Letter(s) pdf
1 2 3 4 RF Exposure Info pdf
1 2 3 4 Cover Letter(s) pdf
1 2 3 4 Test Setup Photos pdf
1 2 3 4 Cover Letter(s) pdf
1 2 3 4 ID Label/Location Info pdf
1 2 3 4 Cover Letter(s) pdf
1 2 3 4 RF Exposure Info pdf
1 2 3 4 Data Sheet Users Manual pdf 2.50 MiB
1 2 3 4 User manual 1 of 2 Users Manual pdf 926.42 KiB September 10 2020 / September 11 2020
1 2 3 4 User manual 2 of 2 Users Manual pdf 956.65 KiB September 10 2020 / September 11 2020
1 2 3 4 Users Manual Users Manual pdf 961.76 KiB
1 2 3 4 External photographs 1 of 2 External Photos pdf 3.53 MiB September 10 2020 / September 11 2020
1 2 3 4 External photographs 2 of 2 External Photos pdf 3.37 MiB September 10 2020 / September 11 2020
1 2 3 4 Label location 1 of 2 ID Label/Location Info pdf 713.72 KiB September 10 2020 / September 11 2020
1 2 3 4 Label location 2 of 2 ID Label/Location Info pdf 1.91 MiB September 10 2020 / September 11 2020
1 2 3 4 Agent authorisation Cover Letter(s) pdf 48.99 KiB September 10 2020 / September 11 2020
1 2 3 4 Block diagram Block Diagram pdf 14.95 KiB September 10 2020 / September 11 2020
1 2 3 4 Class II Permissive Change letter Cover Letter(s) pdf 58.16 KiB September 10 2020 / September 11 2020
1 2 3 4 SAR test report part 1 of 3 RF Exposure Info pdf 5.26 MiB September 10 2020 / September 11 2020
1 2 3 4 SAR test report part 2 of 3 RF Exposure Info pdf 3.60 MiB September 10 2020 / September 11 2020
1 2 3 4 SAR test report part 3 of 3 RF Exposure Info pdf 4.07 MiB September 10 2020 / September 11 2020

frequency equipment class purpose
1 2020-09-11 2402 ~ 2480 DSS - Part 15 Spread Spectrum Transmitter Class II Permissive Change
2 2019-07-03 2402 ~ 2480 DSS - Part 15 Spread Spectrum Transmitter
3 2017-08-31 2402 ~ 2480 DSS - Part 15 Spread Spectrum Transmitter
4 2016-11-23 2402 ~ 2480 DSS - Part 15 Spread Spectrum Transmitter Original Equipment

Application Forms

app s Applicant Information
1 2 3 4 Effective 2020-09-11
1 2 3 4 2019-07-03
1 2 3 4 2017-08-31
1 2 3 4 2016-11-23
1 2 3 4 Applicant's complete, legal business name Silicon Laboratories Finland Oy
1 2 3 4 FCC Registration Number (FRN) 0007782659
1 2 3 4 Physical Address Alberga Business Park, Bertel Jungin aukio 3
1 2 3 4 Espoo
1 2 3 4 Espoo, N/A
1 2 3 4 Finland
app s TCB Information
1 2 3 4 TCB Application Email Address h******@acbcert.com
1 2 3 4 TCB Scope A4: UNII devices & low power transmitters using spread spectrum techniques
app s FCC ID
1 2 3 4 Grantee Code QOQ
1 2 3 4 Equipment Product Code WT41U
app s Person at the applicant's address to receive grant or for contact
1 2 3 4 Name E******** T******
1 2 3 4 P**** R****
1 2 3 4 Title Senior Applications and Certifications Engineer
1 2 3 4 Staff HW Engineer
1 2 3 4 Telephone Number +3585********
1 2 3 4 +3589********
1 2 3 4 Fax Number +3589********
1 2 3 4 E-mail e******@silabs.com
1 2 3 4 p******@silabs.com
app s Technical Contact
1 2 3 4 Firm Name m2m Germany GmbH
1 2 3 4 CSA Group Bayern GmbH
1 2 3 4 Silicon Laboratories Finland Oy
1 2 3 4 Name E******** L******
1 2 3 4 C******** J********
1 2 3 4 P******** R******
1 2 3 4 Physical Address Am Kappengraben 18
1 2 3 4 Ohmstr. 1-4
1 2 3 4 Alberga Business Park
1 2 3 4 Wehrheim
1 2 3 4 Strasskirchen, 94342
1 2 3 4 Espoo
1 2 3 4 Germany
1 2 3 4 Finland
1 2 3 4 Telephone Number 94249********
1 2 3 4 35840********
1 2 3 4 +3584********
1 2 3 4 E-mail e******@m2mgermany.de
1 2 3 4 c******@csagroup.org
1 2 3 4 p******@silabs.com
app s Non Technical Contact
1 2 3 4 Firm Name m2m Germany GmbH
1 2 3 4 Silicon Laboratories Finland Oy
1 2 3 4 Name R****** S******
1 2 3 4 P****** R********
1 2 3 4 Physical Address Am Kappengraben 18
1 2 3 4 Wehrheim
1 2 3 4 Espoo
1 2 3 4 Germany
1 2 3 4 Finland
1 2 3 4 Telephone Number 35840********
1 2 3 4 E-mail r******@m2mgermany.de
1 2 3 4 p******@silabs.com
app s Confidentiality (long or short term)
1 2 3 4 Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?:No
1 2 3 4 Yes
1 2 3 4 Long-Term Confidentiality Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?:No
if no date is supplied, the release date will be set to 45 calendar days past the date of grant.
app s Cognitive Radio & Software Defined Radio, Class, etc
1 2 3 4 Is this application for software defined/cognitive radio authorization?No
1 2 3 4 Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
1 2 3 4 Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant)Bluetooth USB Stick
1 2 3 4 WT41 long range Bluetooth 2.1+EDR module
1 2 3 4 WT41u long range Bluetooth 2.1+EDR module
1 2 3 4 Related OET KnowledgeDataBase Inquiry: Is there a KDB inquiry associated with this application?No
1 2 3 4 Modular Equipment TypeSingle Modular Approval
1 2 3 4 Purpose / Application is forClass II Permissive Change
1 2 3 4 Original Equipment
1 2 3 4 Composite Equipment: Is the equipment in this application a composite device subject to an additional equipment authorization?No
1 2 3 4 Related Equipment: Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization?No
1 2 3 4 Grant CommentsPower 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.
1 2 3 4 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.
1 2 3 4 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.
1 2 3 4 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.
1 2 3 4 Is there an equipment authorization waiver associated with this application?No
1 2 3 4 If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?No
app s Test Firm Name and Contact Information
1 2 3 4 Firm Name Eurofins Product Service GmbH
1 2 3 4 CSA Group Bayern GmbH
1 2 3 4 DEKRA Testing and Certification, S.A.U.
1 2 3 4 SGS Fimko Ltd
1 2 3 4 Name J****** K******
1 2 3 4 F****** S********
1 2 3 4 F******** C****
1 2 3 4 J**** M****
1 2 3 4 Telephone Number 49-33********
1 2 3 4 49-94********
1 2 3 4 34-95********
1 2 3 4 35896********
1 2 3 4 Fax Number 49-33********
1 2 3 4 49-94********
1 2 3 4 34-95********
1 2 3 4 35896********
1 2 3 4 E-mail j******@eurofins.de
1 2 3 4 f******@csagroup.org
1 2 3 4 f******@dekra.com
1 2 3 4 j******@sgs.com
Equipment Specifications
Line Rule Parts Grant Notes Lower Frequency Upper Frequency Power Output Tolerance Emission Designator Microprocessor Number
1 1 15C 2402.00000000 2480.00000000 0.0594000
Line Rule Parts Grant Notes Lower Frequency Upper Frequency Power Output Tolerance Emission Designator Microprocessor Number
2 1 15C 2402.00000000 2480.00000000 0.0594000
Line Rule Parts Grant Notes Lower Frequency Upper Frequency Power Output Tolerance Emission Designator Microprocessor Number
3 1 15C 2402.00000000 2480.00000000 0.0594000
Line Rule Parts Grant Notes Lower Frequency Upper Frequency Power Output Tolerance Emission Designator Microprocessor Number
4 1 15C 2402.00000000 2480.00000000 0.0594000

 

some individual PII (Personally Identifiable Information) available on the public forms may be redacted, original source may include additional details

 

  This product uses the FCC Data API but is not endorsed or certified by the FCC