1. FCC ID
  2. 2BBQK
  3. 2BBQK-STOCKIII

FCC ID 2BBQK-STOCKIII

PORTABLE LOUDSPEAKER

by Marshall Group AB

Grantee Code: 2BBQK   Product Code: STOCKIII
Latest application date: 2026-01-21

FCC ID Device Details

FCC ID2BBQK-STOCKIII
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BBQK
Product CodeSTOCKIII
Applicant BusinessMarshall Group AB 🇸🇪
Related Domains marshall.com
Equipment ClassPORTABLE LOUDSPEAKER
Test FirmHwa-Hsing (Dongguan) Testing Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2026-01-21
2402-2480 MHzOriginal Equipment2026-01-21

Exhibits

DocumentTypeAvailableFile
User Manual_1Users Manual2026-07-20PDF 1.3 MB
User Manual_2Users Manual2026-07-20PDF 1.8 MB
User Manual_3Users Manual2026-07-20PDF 127.2 KB
Internal PhotosInternal Photos2026-07-20PDF 5.1 MB
External PhotosExternal Photos2026-07-20PDF 684.4 KB
Label LocationID Label/Location Info2026-01-21PDF 892.7 KB
Antenna PhotosTest Setup Photos2026-07-20PDF 994.6 KB
Test Setup PhotosTest Setup Photos2026-07-20PDF 2.5 MB
Test Setup Photos_SARTest Setup Photos2026-07-20PDF 929.6 KB
Antenna SpecificationTest Report2026-01-21PDF 2 MB
BLE Test ReportTest Report2026-01-21PDF 4.4 MB
BT Test ReportTest Report2026-01-21PDF 4.9 MB
SAR Test ReportRF Exposure Info2026-01-21PDF 1.9 MB
Attestation Statements 2.911 d 5Attestation Statements2026-01-21PDF 140.8 KB
FCC SDOC Attestation LetterAttestation Statements2026-01-21PDF 105 KB
US AGENT LetterAttestation Statements2026-01-21PDF 141.6 KB
Authority LetterCover Letter(s)2026-01-21PDF 87 KB
Confidentiality LetterCover Letter(s)2026-01-21PDF 112.6 KB
Appendix ARF Exposure Info2026-01-21PDF 165.3 KB
Appendix BRF Exposure Info2026-01-21PDF 211.4 KB
Appendix CRF Exposure Info2026-01-21PDF 5 MB
Block Diagram Metadata onlyBlock DiagramPDF 654.6 KB
Schematic Diagram Metadata onlySchematicsPDF 5.9 MB
Operation Description Metadata onlyOperational DescriptionPDF 88.2 KB

Application Information

Application IDzvROFMm4UkUrIDYHmhGjwg==
Final Action Date2026-01-21
Application PurposeOriginal Equipment
Applicant FRN0033904103
ModelSTOCKIII
Frequency Range2402-2480 MHz
Equipment ClassDTS - Digital Transmission System
Device DescriptionPORTABLE LOUDSPEAKER
Responsible PartyEdison Xu, edison.xu@marshall.com , +8675582731312
Non-Technical ContactEdison Xu, Marshall US Inc., edison.xu@marshall.com , (755) 827-3131 12
Test FirmDavid Chen, Hwa-Hsing (Dongguan) Testing Co., Ltd., david.chen@hwa-hsing.com , 0769-83078199
TCB EmailTEI@timcoengr.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceYes
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
zvROFMm4UkUrIDYHmhGjwg==2026-01-21Original Equipment
ol3qhbYn3gjYbwODpPkf9Q==2026-01-21Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.0037715C
2402-2480 MHz0.007615C

Grants

TCB Grant - Application zvROFMm4UkUrIDYHmhGjwg==

TCB GRANT OF EQUIPMENT
AUTHORIZATION		 TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  IIA Lab Services, LLC
13146 NW 86th Drive Suite 400
Alachua, FL 32615
Date of Grant: 01/21/2026

Application Dated: 01/21/2026
Marshall Group AB
Centralplan 15 111 20 Stockholm Sweden
Stockholm,
Sweden
 
Attention: Edison Xu , Assistant 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:  2BBQK-STOCKIII
Name of Grantee:  Marshall Group AB
Equipment Class: Digital Transmission System
Notes: PORTABLE LOUDSPEAKER
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.00377  

Output Power listed is the maximum conducted output power. The highest reported SAR is < 0.10 W/kg.

TCB Grant - Application ol3qhbYn3gjYbwODpPkf9Q==

TCB GRANT OF EQUIPMENT
AUTHORIZATION		 TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  IIA Lab Services, LLC
13146 NW 86th Drive Suite 400
Alachua, FL 32615
Date of Grant: 01/21/2026

Application Dated: 01/21/2026
Marshall Group AB
Centralplan 15 111 20 Stockholm Sweden
Stockholm,
Sweden
 
Attention: Edison Xu , Assistant 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:  2BBQK-STOCKIII
Name of Grantee:  Marshall Group AB
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: PORTABLE LOUDSPEAKER
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0076  

Output Power listed is the maximum conducted output power. The highest reported SAR is < 0.10 W/kg.