Wireless module

Chengdu Ebyte Electronic Technology Co.,Ltd - Original Equipment

Building B2, Mould Industrial Park, 199# Xi-Qu Ave West High-tech Zone


Listed Certified Devices

Brand Device Name Model Type Certification Date
Chengdu Ebyte Electronic Technology Co.,Ltd Wireless module E77400M22S FCC ID 2025-02-27
FCC Application Details
EquipmentWireless module
FRN0032670374
Grantee Code2A8C3
Product Code-E77400M22S
Applicant BusinessChengdu Ebyte Electronic Technology Co.,Ltd
Business AddressBuilding B2, Mould Industrial Park, 199# Xi-Qu Ave West High-tech Zone, Chengdu, N/A China 611731
TCB ScopeA1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices
TCB Email[email protected]
ApplicantYong Li –
Applicant Phone
Applicant Fax02861399028
Applicant Email[email protected]
Applicant MailStop
Test FirmBay Area Compliance Laboratories Corp. (Chengdu)
Test Firm ContactMay Chen
Test Firm Phone
Test Firm Fax
Test Firm Email[email protected]
Certified ByYong Li –

Further Details May Be Available From: fcc.id/2A8C3E77400M22S or fcc.report/FCC-ID/2A8C3E77400M22S


DescriptionExhibit TypeFile TypeDisplay TypeFile SizeSubmission DateDate Available

Document 8138996
Mirror: FCCID.io - 8138996
Attestation Letter
Attestation StatementsAdobe Acrobat PDFpdf143.45 K2025-03-212025-02-27

Document 8079932
Mirror: FCCID.io - 8079932
User Manual
Users ManualAdobe Acrobat PDFpdf659.03 K2025-02-272025-02-27

Document 8079928
Mirror: FCCID.io - 8079928
Label & Label Location
ID Label/Location InfoAdobe Acrobat PDFpdf135.26 K2025-02-272025-02-27

Document 8079927
Mirror: FCCID.io - 8079927
RF Exposure
RF Exposure InfoAdobe Acrobat PDFpdf111.81 K2025-02-272025-02-27

Document 8079926
Mirror: FCCID.io - 8079926
Test Report
Test ReportAdobe Acrobat PDFpdf1.58 M2025-02-272025-02-27

Document 8079925
Mirror: FCCID.io - 8079925
Antenna Specification
Test ReportAdobe Acrobat PDFpdf441.9 K2025-02-272025-02-27

Document 8079924
Mirror: FCCID.io - 8079924
Test Setup Photos
Test Setup PhotosAdobe Acrobat PDFpdf417.82 K2025-02-272025-02-27

Document 8079923
Mirror: FCCID.io - 8079923
Internal Photos
Internal PhotosAdobe Acrobat PDFpdf267.48 K2025-02-272025-02-27

Document 8079922
Mirror: FCCID.io - 8079922
External Photos
External PhotosAdobe Acrobat PDFpdf536.49 K2025-02-272025-02-27

Document 8079921
Mirror: FCCID.io - 8079921
US Agent Attestation Letter
Attestation StatementsAdobe Acrobat PDFpdf163.27 K2025-02-272025-02-27

Document 8079920
Mirror: FCCID.io - 8079920
2.911 (d)(5)(i)(ii) Attestation Statement
Attestation StatementsAdobe Acrobat PDFpdf63.3 K2025-02-272025-02-27

Document 8079919
Mirror: FCCID.io - 8079919
Attestation Letter
Attestation StatementsAdobe Acrobat PDFpdf140.28 K2025-02-272025-02-27

Document 8079918
Mirror: FCCID.io - 8079918
Modular Approval Letter
Cover Letter(s)Adobe Acrobat PDFpdf219.71 K2025-02-272025-02-27

Document 8079917
Mirror: FCCID.io - 8079917
FCC Long-term Confidential Request
Cover Letter(s)Adobe Acrobat PDFpdf79.75 K2025-02-272025-02-27

Document 8079916
Mirror: FCCID.io - 8079916
FCC Agent Authorization Letter
Cover Letter(s)Adobe Acrobat PDFpdf135.69 K2025-02-272025-02-27

Attestation Letter
Attestation StatementsAdobe Acrobat PDF140.28 K2025-02-272025-02-27

US Agent Attestation Letter
Attestation StatementsAdobe Acrobat PDF163.27 K2025-02-272025-02-27

Test Setup Photos
Test Setup PhotosAdobe Acrobat PDF417.82 K2025-02-272025-02-27

Antenna Specification
Test ReportAdobe Acrobat PDF441.9 K2025-02-272025-02-27

Test Report
Test ReportAdobe Acrobat PDF1.58 M2025-02-272025-02-27

Schematics
SchematicsAdobe Acrobat PDF24.97 K2025-02-27

RF Exposure
RF Exposure InfoAdobe Acrobat PDF111.81 K2025-02-272025-02-27

Circuit Description
Operational DescriptionAdobe Acrobat PDF316.53 K2025-02-27

Internal Photos
Internal PhotosAdobe Acrobat PDF267.48 K2025-02-272025-02-27

Label & Label Location
ID Label/Location InfoAdobe Acrobat PDF135.26 K2025-02-272025-02-27

External Photos
External PhotosAdobe Acrobat PDF536.49 K2025-02-272025-02-27

FCC Long-term Confidential Request
Cover Letter(s)Adobe Acrobat PDF79.75 K2025-02-272025-02-27

FCC Agent Authorization Letter
Cover Letter(s)Adobe Acrobat PDF135.69 K2025-02-272025-02-27

Modular Approval Letter
Cover Letter(s)Adobe Acrobat PDF219.71 K2025-02-272025-02-27

Block Diagram
Block DiagramAdobe Acrobat PDF89.75 K2025-02-27

2.911 (d)(5)(i)(ii) Attestation Statement
Attestation StatementsAdobe Acrobat PDF63.3 K2025-02-272025-02-27

User Manual
Users ManualAdobe Acrobat PDF659.03 K2025-02-272025-02-27

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