FCC ID 2ARF2MC-350R

Wireless Connect Natural Gas Alarm / Wireless Connect 2-in-1 Natural Gas and Carbon Monoxide Alarm

by NEW COSMOS ELECTRIC CO.,LTD

Grantee Code: 2ARF2   Product Code: MC350R
Latest application date: 2026-06-24

FCC ID Device Details

FCC ID2ARF2MC-350R
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2ARF2
Product CodeMC350R
Applicant BusinessNEW COSMOS ELECTRIC CO.,LTD 🇯🇵
Related Domains new-cosmos.co.jp newcosmosusa.com
Equipment ClassWireless Connect Natural Gas Alarm / Wireless Connect 2-in-1 Natural Gas and Carbon Monoxide Alarm
Test FirmBTL Inc.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
915 MHzClass II permissive change or modification of presently authorized equipment2026-06-24
915 MHzOriginal Equipment2024-04-02

Exhibits

DocumentTypeAvailableFile
Users Manual_DD624NVWUsers Manual2024-04-02PDF 3.2 MB
Users Manual_DD626NCVWUsers Manual2024-04-02PDF 4.4 MB
Internal PhotosInternal Photos2026-06-24PDF 5.3 MB
Internal PhotosInternal Photos2024-04-02PDF 2.8 MB
External PhotosExternal Photos2026-06-24PDF 1.5 MB
External PhotosExternal Photos2024-04-02PDF 1,020.9 KB
ID Label/Location Info_DD624NVWID Label/Location Info2024-04-02PDF 368.9 KB
ID Label/Location Info_DD626NCVWID Label/Location Info2024-04-02PDF 435.2 KB
Test Setup PhotosTest Setup Photos2026-06-24PDF 370 KB
Test Setup PhotosTest Setup Photos2024-04-02PDF 372.8 KB
Antenna SpecificationTest Report2026-06-24PDF 337.9 KB
Test ReportTest Report2026-06-24PDF 1 MB
Test ReportTest Report2024-04-02PDF 451.7 KB
Attestation StatementsAttestation Statements2026-06-24PDF 136.2 KB
US Agent letterAttestation Statements2026-06-24PDF 149.5 KB
Agent Letter_A_for Service of Process_FCC_Attestation StatementsAttestation Statements2024-04-02PDF 265.1 KB
Attestation_FCC_Application LetterAttestation Statements2024-04-02PDF 163.5 KB
Declaration of authorizationCover Letter(s)2026-06-24PDF 111.1 KB
FCC Class II permissive change letterCover Letter(s)2026-06-24PDF 135.7 KB
Declaration of AuthorisationCover Letter(s)2024-04-02PDF 92.6 KB
Model Declaration LetterCover Letter(s)2024-04-02PDF 34 KB
confidentialityCover Letter(s)2024-04-02PDF 146.9 KB
MPERF Exposure Info2026-06-24PDF 824.7 KB
MPERF Exposure Info2024-04-02PDF 256.4 KB
Block Diagram Metadata onlyBlock DiagramPDF 160 KB
Schematics Metadata onlySchematicsPDF 464 KB
Operational Description Metadata onlyOperational DescriptionPDF 5.2 MB

Application Information

Application ID8ow777WeNmPyz32tVR8qjA==
Final Action Date2026-06-24
Application PurposeClass II permissive change or modification of presently authorized equipment
Applicant FRN0027824812
ModelMC-350R
Frequency Range915 MHz
Equipment ClassDXX - Part 15 Low Power Communication Device Transmitter
Device DescriptionWireless Connect Natural Gas Alarm / Wireless Connect 2-in-1 Natural Gas and Carbon Monoxide Alarm
Responsible PartyYoshinori Nishiue, nishiue.yoshinori@new-cosmos.co.jp , +81-6-6309-1518
Technical ContactKent Liu, BTL Inc., kent@newbtl.com , 886-2-2641-8198
Non-Technical ContactMasahiro Kato, New Cosmos USA, Inc., kato@newcosmosusa.com , 847-749-3064
Test FirmJackie Chiu, BTL Inc., jackie.chiu@btl.com.tw , +886-2-2641-8198
TCB Emaildl_radio-certification@kiwa.com
TCB ScopeA1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices
Short-Term ConfidentialityNo
Long-Term ConfidentialityNo
Modular EquipmentDoes not apply
Composite DeviceNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
8ow777WeNmPyz32tVR8qjA==2026-06-24Class II permissive change or modification of presently authorized equipment
C5SHKvJqLW2G+poMjeZUzQ==2024-04-02Original Equipment

Equipment Authorization

FrequencyRules
915 MHz15C

Grants

TCB Grant - Application C5SHKvJqLW2G+poMjeZUzQ==

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

  Kiwa Nederland B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands
Date of Grant: 04/02/2024

Application Dated: 03/29/2024
NEW COSMOS ELECTRIC CO.,LTD
2-5-4 Mitsuya-naka
Yodogawa-ku
OSAKA, 5320036
Japan
 
Attention: Yoshinori Nishiue

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:  2ARF2MC-350R
Name of Grantee:  NEW COSMOS ELECTRIC CO.,LTD
Equipment Class: Part 15 Low Power Communication Device Transmitter
Notes: Wireless Connect Natural Gas Alarm/Wireless Connect 2-in-1 Natural Gas and Carbon Monoxide Alarm
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 915.0  -  915.0  


EAS Grant - Application C5SHKvJqLW2G+poMjeZUzQ==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION
COPY
Certification

NEW COSMOS ELECTRIC CO.,LTD
2-5-4 Mitsuya-naka Yodogawa-ku
OSAKA, 5320036
Japan
  Date of Grant: 04/02/2024

Application Dated: 03/29/2024
 
Attention: Yoshinori Nishiue

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:  2ARF2MC-350R
Name of Grantee:  NEW COSMOS ELECTRIC CO.,LTD
Equipment Class: Part 15 Low Power Communication Device Transmitter
Notes: Wireless Connect Natural Gas Alarm/Wireless Connect 2-in-1 Natural Gas and Carbon Monoxide Alarm
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 915.0  -  915.0  



TCB Grant - Application 8ow777WeNmPyz32tVR8qjA==

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

  Kiwa Nederland B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands
Date of Grant: 06/24/2026

Application Dated: 06/04/2026
NEW COSMOS ELECTRIC CO.,LTD
2-5-4 Mitsuya-naka
Yodogawa-ku
OSAKA, 5320036
Japan
 
Attention: Yoshinori Nishiue ,

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:  2ARF2MC-350R
Name of Grantee:  NEW COSMOS ELECTRIC CO.,LTD
Equipment Class: Part 15 Low Power Communication Device Transmitter
Notes: Wireless Connect Natural Gas Alarm / Wireless Connect 2-in-1 Natural Gas and Carbon Monoxide Alarm
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 915.0  -  915.0  

C2PC: To modify PCB of non-RF part and change the direction of antenna .