1. FCC ID
  2. 2A4C5
  3. 2A4C5-SJ-107A

FCC ID 2A4C5-SJ-107A

Ultra Slim 3-in-1 Wireless Power Bank

by Cosmo Fiber Corp.

Grantee Code: 2A4C5   Product Code: SJ107A
Latest application date: 2026-09-28

FCC ID Device Details

FCC ID2A4C5-SJ-107A
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2A4C5
Product CodeSJ107A
Applicant BusinessCosmo Fiber Corp. 🇺🇸
Related Domains cosmopromos.com dame-inc.com
Equipment ClassUltra Slim 3-in-1 Wireless Power Bank
Test FirmSHENZHEN CTA TESTING TECHNOLOGY CO., LTD.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
0.3-0.35 MHzOriginal Equipment2026-09-28

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2026-09-28PDF 557.9 KB
Internal PhotosInternal Photos2026-09-28PDF 1 MB
External PhotosExternal Photos2026-09-28PDF 452.9 KB
Label and locationID Label/Location Info2026-09-28PDF 175.9 KB
Test Setup PhotosTest Setup Photos2026-09-28PDF 365.6 KB
Antenna specificationTest Report2026-09-28PDF 265.5 KB
CTA26081101501_Test Report-WPTTest Report2026-09-28PDF 2.4 MB
USA-CoveredEquipmentLetter-Combined_V1.1Attestation Statements2026-09-28PDF 111.1 KB
US_Agent_2.911(d)(7)-U_V05Attestation Statements2026-09-28PDF 123.1 KB
Declaration Letter of Model DifferenceCover Letter(s)2026-09-28PDF 77.2 KB
USA-ConfidentialityRequestLetter_V0.1Cover Letter(s)2026-09-28PDF 100.3 KB
USA-Letter of declaration KDB680106 requirement_WPTCover Letter(s)2026-09-28PDF 207.8 KB
CTA26081101502_RF Exposure-WPTRF Exposure Info2026-09-28PDF 764.7 KB
Block Diagram Metadata onlyBlock DiagramPDF 100.5 KB
schematic Metadata onlySchematicsPDF 185.6 KB
Operation Description Metadata onlyOperational DescriptionPDF 104.7 KB
USA-DueDigilenceLetter_V0.1 Metadata onlyOperational DescriptionPDF 132.6 KB

Application Information

Application IDO5NXXMC2XSqhCBR5EoGhJg==
Final Action Date2026-09-28
Application PurposeOriginal Equipment
Applicant FRN0031891609
ModelSJ-107A
Frequency Range0.3-0.35 MHz
Equipment ClassDCD - Part 15 Low Power Transmitter Below 1705 kHz
Device DescriptionUltra Slim 3-in-1 Wireless Power Bank
Responsible PartySidney Ru, Sidney@cosmopromos.com , 8003661600
Non-Technical ContactLiangshu Zhang, DAME INC, damesales@dame-inc.com , (603) 867-6886
Test FirmEric Wang, SHENZHEN CTA TESTING TECHNOLOGY CO., LTD., wangxulai@cta-test.cn , 86-755-2322-5875
TCB Emailo.kneip@kl-certification.de
TCB ScopeA1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices
Short-Term ConfidentialityNo
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
O5NXXMC2XSqhCBR5EoGhJg==2026-09-28Original Equipment

Equipment Authorization

FrequencyRules
0.11-0.205 MHz15C
0.3-0.35 MHz15C

Grants

TCB Grant - Application O5NXXMC2XSqhCBR5EoGhJg==

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

  KL-Certification GmbH
Heinrich-Hertz-Allee 7
St. Ingbert, 66386
Germany 		Date of Grant: 09/28/2026

Application Dated: 09/28/2026
Cosmo Fiber Corp.
1802 Santo Domingo Ave
Duarte, CA 91010
 
Attention: Sidney Ru ,

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:  2A4C5-SJ-107A
Name of Grantee:  Cosmo Fiber Corp.
Equipment Class: Part 15 Low Power Transmitter Below 1705 kHz
Notes: Ultra Slim 3-in-1 Wireless Power Bank
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 0.11  -  0.205  
15C 0.3  -  0.35