1. FCC ID
  2. 2BG89
  3. 2BG892025X12X
  4. Letter Authorization

2025X12X Earphone Cover Letter(s) - FCC ID 2BG892025X12X

FCC ID 2BG892025X12X

Letter Authorization

Earphone

by Dongguan Changxie Technology Co., Ltd.

Document preview loads when visible.

Document Details

FCC ID2BG892025X12X
Document ID9235151
Document TypeCover Letter(s)
DescriptionLetter Authorization
Document Title授权信
ApplicantDongguan Changxie Technology Co., Ltd.
Equipment ClassEarphone
Product Code2025X12X
Application IDaEcbeUryHHX5JLf4Fp6F1w==
Application PurposeOriginal Equipment
Application Date2026-04-22
Frequency Range2402-2480 MHz
FRN0035606623
Test FirmGuangdong Dongdian Testing Service Co., Ltd.
Certified ByLong Yu Manager
Short-Term ConfidentialityNo
Long-Term ConfidentialityNo
Modular EquipmentDoes not apply
Composite DeviceYes
Submitted2026-04-22
Available2026-04-22
Pages1
File TypeAdobe Acrobat PDF
File Size369509
File SHA-256b24bde7c50d51f5d293298e6844c55b7f24e1ff1c9df879beb9ac454707c4d7f
PDF Metadata AuthorAndroid_CS7.14.0
PDF Metadata ProducerIntSig Information Co., Ltd
FCC.gov SourcesFCC.gov 9235151, FCC.gov 9235143

Related FCC Exhibits

DocumentTypeAvailableFile
User manual Metadata onlyUsers Manual2026-10-19PDF 897.7 KB
Internal photos Metadata onlyInternal Photos2026-10-19PDF 2.2 MB
External photos Metadata onlyExternal Photos2026-10-19PDF 1.5 MB
ID label and locationID Label/Location Info2026-04-22PDF 667.9 KB
Test Setup photo Metadata onlyTest Setup Photos2026-10-19PDF 1.2 MB
Antenna SpecificationTest Report2026-04-22PDF 1,012.7 KB
Test report 2E01 part1Test Report2026-04-22PDF 4.1 MB
Test report 2E01 part2Test Report2026-04-22PDF 3.9 MB
Test report 2E02Test Report2026-04-22PDF 5.7 MB
Test report 2E03 part1Test Report2026-04-22PDF 4.1 MB
Test report 2E03 part2Test Report2026-04-22PDF 4 MB
Test report 2E04Test Report2026-04-22PDF 5.7 MB
Attestation StatementAttestation Statements2026-04-22PDF 1.7 MB
Kaspersky StatementAttestation Statements2026-04-22PDF 665.9 KB
Product similarity DeclarationAttestation Statements2026-04-22PDF 539.9 KB
TCB_validation_US_agent_processAttestation Statements2026-04-22PDF 2 MB
Us_AgentAttestation Statements2026-04-22PDF 598.9 KB
ConfidentialityCover Letter(s)2026-04-22PDF 667.5 KB
Letter AuthorizationCover Letter(s)2026-04-22PDF 360.8 KB
RF ExposureRF Exposure Info2026-04-22PDF 676.5 KB
Block Diagram Metadata onlyBlock DiagramPDF 56.1 KB
Schematics Metadata onlySchematicsPDF 155 KB
Operational Description Metadata onlyOperational DescriptionPDF 122.7 KB