B331MA Mobile Hotspot Cover Letter(s) - FCC ID XD6B331MA

FCC ID XD6B331MA

Declaration of Frequency Stability

Mobile Hotspot

by Shenzhen Tinno Mobile Technology Corp

Document preview loads when visible.

Document Details

FCC IDXD6B331MA
Document ID8474872
Document TypeCover Letter(s)
DescriptionDeclaration of Frequency Stability
Document TitleLetterhad
ApplicantShenzhen Tinno Mobile Technology Corp
Equipment ClassMobile Hotspot
Product CodeB331MA
Application ID2v9a+V055O4G2D1UARfRxw==
Application PurposeOriginal Equipment
Application Date2025-07-15
Frequency Range5180-5240 MHz
FRN0018783100
Test FirmTelecommunication Technology Labs, CAICT
Certified ByLi Bo Project Manager
Short-Term ConfidentialityNo
Long-Term ConfidentialityNo
Short-Term Confidentiality Date01/12/2026
Grant DeferralNo
Modular EquipmentDoes not apply
Composite DeviceYes
Composite PartNo
Submitted2025-07-15
Available2025-07-15
Created2025-07-01
Modified2025-07-01
Pages1
File TypeAdobe Acrobat PDF
File Size190568
File SHA-256c29aa215625cbac43ae4666f51373ab20a4e2906887b7e4358d8fbd28633c146
PDF Metadata AuthorGuo Grace
PDF Metadata ProducerWPS 文字
FCC.gov SourcesFCC.gov 8474872

Related FCC Exhibits

DocumentTypeAvailableFile
TempConfidential_ATT_Quatro_SIG_EN_V2_250708Users Manual2026-01-12PDF 76.8 KB
TempConfidential_ATT_Quatro_UG_EN_V2b_250711Users Manual2026-01-12PDF 4 MB
TempConfidential_InternalInternal Photos2026-01-12PDF 1 MB
TempConfidential_ExternalExternal Photos2026-01-12PDF 2.1 MB
B331MA label locationID Label/Location Info2025-07-15PDF 162.5 KB
B331MC label locationID Label/Location Info2025-07-15PDF 166 KB
TempConfidential_Test Setup PhotosTest Setup Photos2026-01-12PDF 1.2 MB
TempConfidential_The Photos of SAR test 25T04Z100997_004Test Setup Photos2026-01-12PDF 2.3 MB
25T04Z100997-001_FCC_Report_WLAN_2.4G_Rev0Test Report2025-07-15PDF 1.7 MB
25T04Z100997-002_FCC_Report_WLAN 5.0G_Rev0Test Report2025-07-15PDF 3.6 MB
25T04Z100997-003_FCC_Report_WLAN 5.8G_Rev1Test Report2025-07-15PDF 3.2 MB
25T04Z100997-005 FCC 15B Rev0 r1Test Report2025-07-15PDF 1.4 MB
25T04Z100997-009-WCDMATest Report2025-07-15PDF 3.5 MB
25T04Z100997-010-LTE Part1Test Report2025-07-15PDF 3.6 MB
25T04Z100997-010-LTE Part2Test Report2025-07-15PDF 2.3 MB
25T04Z100997-011-NR Part1Test Report2025-07-15PDF 5.1 MB
25T04Z100997-011-NR Part2Test Report2025-07-15PDF 4.3 MB
B331_Antenna_specifications_20250714Test Report2025-07-15PDF 1.7 MB
7.ACB-FORM-FCC-Application-Letters Rev 17 R2 - U.S. Agent Letter for Service ofAttestation Statements2025-07-15PDF 247.9 KB
ACB-FORM-FCC-Application-Letters-Covered-List-AttestationAttestation Statements2025-07-15PDF 203 KB
B331MA-Covered-List-Attestation statement for Kaspersky softwareAttestation Statements2025-07-15PDF 153.1 KB
ACB-FORM-FCC-Application-Letters-Agency-LetterCover Letter(s)2025-07-15PDF 179.9 KB
ACB-FORM-FCC-Application-Letters-Confidentiality-LetterCover Letter(s)2025-07-15PDF 180.2 KB
B331MA MC Product Change Description_VariantCover Letter(s)2025-07-15PDF 135.6 KB
Declaration of Frequency StabilityCover Letter(s)2025-07-15PDF 186.1 KB
25T04Z100997_004_SAR_Rev1RF Exposure Info2025-07-15PDF 2.2 MB
ANNEX-25T04Z100997_004 Part1RF Exposure Info2025-07-15PDF 5.4 MB
ANNEX-25T04Z100997_004 Part2RF Exposure Info2025-07-15PDF 5.6 MB
Confidential_B331MA_MIFI_Block diagram_V0.2_20250714 Metadata onlyBlock DiagramPDF 206.9 KB
Confidential_B331MA_ATT_MB_V1.0_20250714 Metadata onlySchematicsPDF 679.4 KB
Confidential_B331MA_SUB_V1D0_20250429_1755 Metadata onlySchematicsPDF 57.1 KB
B331MA SAR Principle Metadata onlyOperational DescriptionPDF 109.6 KB
Confidential_B331MA Antenna gain 20250603 Metadata onlyOperational DescriptionPDF 236.2 KB
Confidential_B331MA Operation description_20250715 Metadata onlyOperational DescriptionPDF 888.1 KB
B331MA B331MC_Device SW security statement letter-SW-0714 Metadata onlySDR Software/Security Info.PDF 193 KB
Confidential_B331MA MC-EBOM-Main-PCB Metadata onlyParts List/Tune Up InfoPDF 261.4 KB
Confidential_B331MA MC_SUB_PCB Metadata onlyParts List/Tune Up InfoPDF 77 KB
Confidential_B331MA_Tune-up__2025070802 Metadata onlyParts List/Tune Up InfoPDF 380.2 KB