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  3. B4HEPXRM

FCC ID B4HEPXRM

Full Duplex 900 MHz Transceiver-Main

by Porta Phone Company Inc

Grantee Code: B4H   Product Code: EPXRM
Latest application date: 2026-09-21

FCC ID Device Details

FCC IDB4HEPXRM
Mirrorsfcc.id | gov | fccid.ai
Grantee CodeB4H
Product CodeEPXRM
Applicant BusinessPorta Phone Company Inc 🇺🇸
Related Domains portaphone.com
Equipment ClassFull Duplex 900 MHz Transceiver-Main
Test FirmBay Area Compliance Laboratories Corp (Shenzhen)

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2026-09-21

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2026-09-21PDF 232.1 KB
Internal PhotosInternal Photos2026-09-21PDF 1.6 MB
External PhotosExternal Photos2026-09-21PDF 2 MB
Label and Label LocationID Label/Location Info2026-09-21PDF 294.8 KB
Test Setup Photos BTTest Setup Photos2026-09-21PDF 1.7 MB
Test Setup Photos FHSSTest Setup Photos2026-09-21PDF 465.4 KB
Antenna Specification BTTest Report2026-09-21PDF 1.1 MB
Antenna Specification FHSSTest Report2026-09-21PDF 1.2 MB
SAR Test ReportRF Exposure Info2026-09-21PDF 4.4 MB
Test Report - BT Part 1Test Report2026-09-21PDF 5 MB
Test Report - BT Part 2Test Report2026-09-21PDF 1.4 MB
Test Report - FHSSTest Report2026-09-21PDF 2.4 MB
Attestation Letter-2.911(d)(5)(i)Attestation Statements2026-09-21PDF 205.7 KB
Attestation Letter-2.911(d)(5)(ii)Attestation Statements2026-09-21PDF 208.4 KB
US Agent Attestation LetterAttestation Statements2026-09-21PDF 145.1 KB
FCC Agent Authorization LetterCover Letter(s)2026-09-21PDF 216.7 KB
FCC Confidentiality LetterCover Letter(s)2026-09-21PDF 187.3 KB
RF Exposure InformationRF Exposure Info2026-09-21PDF 150.5 KB
Block Diagram Metadata onlyBlock DiagramPDF 48.2 KB
Schematics Metadata onlySchematicsPDF 628.6 KB
Operation Description Metadata onlyOperational DescriptionPDF 131.2 KB

Application Information

Application IDId7hezhsYuY93GXjOoMiYg==
Final Action Date2026-09-21
Application PurposeOriginal Equipment
Applicant FRN0005072848
ModelEPXRM
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionFull Duplex 900 MHz Transceiver-Main
Responsible PartyJohn Hooper, john@portaphone.com , 401-789-8700
Non-Technical ContactJohn Hooper, Porta Phone Company Inc, john@portaphone.com , +1 401-789-8700
Test FirmNana Liu, Bay Area Compliance Laboratories Corp (Shenzhen), qa.sz@baclcorp.com , 86-755-33320018
TCB Emailbacl.regulatory@baclcorp.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
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
Id7hezhsYuY93GXjOoMiYg==2026-09-21Original Equipment

Equipment Authorization

FrequencyOutputRules
905-925 MHz0.24615C
2402-2480 MHz0.00115C

Grants

TCB Grant - Application Id7hezhsYuY93GXjOoMiYg==

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

  Bay Area Compliance Laboratories Corp.
1274 Anvilwood Avenue
Sunnyvale, CA 94089
Date of Grant: 09/21/2026

Application Dated: 09/21/2026
Porta Phone Company Inc
145 Dean Knauss Drive
Narragansett, RI 02882
 
Attention: John Hooper , Jr., Vice President

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:  B4HEPXRM
Name of Grantee:  Porta Phone Company Inc
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Full Duplex 900 MHz Transceiver-Main
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 905.0  -  925.0 0.246  
15C 2402.0  -  2480.0 0.001  

Output power listed is conducted. The antenna(s) used for this transmitter must not be co-located with any other transmitters, except in accordance with FCC multi-transmitter product procedures. End-users must be informed of the operating requirements for satisfying RF exposure compliance. The highest reported SAR for body and simultaneous transmission exposure conditions are 0.96 W/kg, and 1.01 W/kg, respectively.