1. FCC ID
  2. 2A6F9
  3. 2A6F9-M4025A

FCC ID 2A6F9-M4025A

Lennox M40 Smart Thermostat

by Lennox industries inc.

Grantee Code: 2A6F9   Product Code: M4025A
Latest application date: 2026-02-11

FCC ID Device Details

FCC ID2A6F9-M4025A
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2A6F9
Product CodeM4025A
Applicant BusinessLennox industries inc. 🇺🇸
Related Domains lennoxintl.com lennox.com
Equipment ClassLennox M40 Smart Thermostat
Test FirmCETECOM Inc.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2412-2462 MHzOriginal Equipment2026-02-11

Exhibits

DocumentTypeAvailableFile
ManualUsers Manual2026-08-10PDF 2.1 MB
Internal PhotosInternal Photos2026-08-10PDF 921.1 KB
External PhotosExternal Photos2026-08-10PDF 1 MB
LabelID Label/Location Info2026-02-11PDF 287.8 KB
Test setup photosTest Setup Photos2026-08-10PDF 557.9 KB
Test ReportTest Report2026-02-11PDF 1.7 MB
antenna informationTest Report2026-02-11PDF 535.6 KB
Attestation letterAttestation Statements2026-02-11PDF 118.8 KB
Attestation letter 2.911(D)(5)Attestation Statements2026-02-11PDF 157.1 KB
Attestation letter 2.911(D)(7)Attestation Statements2026-02-11PDF 154.1 KB
Confidentiality long termCover Letter(s)2026-02-11PDF 110.8 KB
Confidentiality short termCover Letter(s)2026-02-11PDF 111.2 KB
cover letterCover Letter(s)2026-02-11PDF 363.5 KB
RF Exposure reportRF Exposure Info2026-02-11PDF 414.3 KB
Block Diagram Metadata onlyBlock DiagramPDF 186.6 KB
Schematics Metadata onlySchematicsPDF 493.4 KB
Operational Description Metadata onlyOperational DescriptionPDF 331.7 KB

Application Information

Application IDfGn1gw7UxbBKWF5XAdkK/A==
Final Action Date2026-02-11
Application PurposeOriginal Equipment
Applicant FRN0032225567
ModelM4025A
Frequency Range2412-2462 MHz
Equipment ClassDTS - Digital Transmission System
Device DescriptionLennox M40 Smart Thermostat
Responsible PartyJulia Cokmez, julia.cokmez@lennoxintl.com , 9724977080
Non-Technical ContactKeith Mowery, Lennox Industries Inc., keith.Mowery@lennox.com , +1 972-497-7273
Test FirmMeinolf Glunz, CETECOM Inc., meinolf.glunz@cetecom.com , 408-586-6301
TCB EmailUS-certification@cetecom.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
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
fGn1gw7UxbBKWF5XAdkK/A==2026-02-11Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.00715C
2412-2462 MHz0.03715C

Grants

TCB Grant - Application fGn1gw7UxbBKWF5XAdkK/A==

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

  CETECOM Inc.
411 Dixon Landing Road
Milpitas, CA 95035
Date of Grant: 02/11/2026

Application Dated: 02/11/2026
Lennox industries inc.
1600 Metrocrest Dr.
Carrollton, TX 75006
 
Attention: Julia Cokmez , Hardware Engineering Manager

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:  2A6F9-M4025A
Name of Grantee:  Lennox industries inc.
Equipment Class: Digital Transmission System
Notes: Lennox M40 Smart Thermostat
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.007  
15C 2412.0  -  2462.0 0.037  

Output power listed is average conducted for WLAN and peak conducted for Bluetooth. Device supports WLAN bandwidth 20 MHz.