FCC ID 2A6F9-E4025A
Lennox E40 Smart Thermostat
by Lennox industries inc.
Grantee Code: 2A6F9 Product Code: E4025A
Latest application date: 2026-03-16
FCC ID Device Details
| FCC ID | 2A6F9-E4025A |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A6F9 |
| Product Code | E4025A |
| Applicant Business | Lennox industries inc. 🇺🇸 |
| Related Domains |  lennoxintl.com  lennox.com |
| Equipment Class | Lennox E40 Smart Thermostat |
| Test Firm | CETECOM Inc. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 5180-5240 MHz | Original Equipment | 2026-03-16 |
| 2412-2462 MHz | Original Equipment | 2026-03-16 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Manual | Users Manual | 2026-09-12 | PDF 3.5 MB |
| Internal Photos | Internal Photos | 2026-09-12 | PDF 2.9 MB |
| External Photos | External Photos | 2026-09-12 | PDF 869.7 KB |
| Label | ID Label/Location Info | 2026-03-16 | PDF 90.6 KB |
| Test setup photos | Test Setup Photos | 2026-09-12 | PDF 2.8 MB |
| Test Report | Test Report | 2026-03-16 | PDF 1.5 MB |
| Test Report | Test Report | 2026-03-16 | PDF 1.8 MB |
| antenna information | Test Report | 2026-03-16 | PDF 772.4 KB |
| antenna information | Test Report | 2026-03-16 | PDF 478.6 KB |
| Attestation letter | Attestation Statements | 2026-03-16 | PDF 394 KB |
| Attestation letter 2.911(D)(5) | Attestation Statements | 2026-03-16 | PDF 358.8 KB |
| Attestation letter 2.911(D)(7) | Attestation Statements | 2026-03-16 | PDF 718.7 KB |
| Confidentiality long term | Cover Letter(s) | 2026-03-16 | PDF 487.5 KB |
| Confidentiality short term | Cover Letter(s) | 2026-03-16 | PDF 496.6 KB |
| cover letter | Cover Letter(s) | 2026-03-16 | PDF 81.7 KB |
| RF Exposure report | RF Exposure Info | 2026-03-16 | PDF 547.8 KB |
| Block Diagram Metadata only | Block Diagram | PDF 183.5 KB | |
| Schematics Metadata only | Schematics | PDF 4.3 MB | |
| Schmatics Metadata only | Schematics | PDF 4.3 MB | |
| Operational Description Metadata only | Operational Description | PDF 449.9 KB |
Application Information
| Application ID | n/LfaweTX4Dy3oho4o/Acg== |
|---|---|
| Final Action Date | 2026-03-16 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0032225567 |
| Model | E4025A |
| Frequency Range | 5180-5240 MHz |
| Equipment Class | NII - Unlicensed National Information Infrastructure TX |
| Device Description | Lennox E40 Smart Thermostat |
| Responsible Party | Julia Cokmez, julia.cokmez@lennoxintl.com , 9724977080 |
| Non-Technical Contact | Keith Mowery, Lennox Industries Inc., keith.Mowery@lennox.com , +1 972-497-7273 |
| Test Firm | Meinolf Glunz, CETECOM Inc., meinolf.glunz@cetecom.com  , 408-586-6301 |
| TCB Email | US-certification@cetecom.com |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| n/LfaweTX4Dy3oho4o/Acg== | 2026-03-16 | Original Equipment |
| 2YLEjEgNXAyoldOQpUf00A== | 2026-03-16 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application n/LfaweTX4Dy3oho4o/Acg==
| 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: 03/16/2026 Application Dated: 03/16/2026 |
| 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-E4025A |
| Name of Grantee: | Lennox industries inc. |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | Lennox E40 Smart Thermostat |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5180.0 - 5240.0 | 0.0309 |
| Output power is conducted. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application 2YLEjEgNXAyoldOQpUf00A==
| 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: 03/16/2026 Application Dated: 03/16/2026 |
| 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-E4025A |
| Name of Grantee: | Lennox industries inc. |
| Equipment Class: | Digital Transmission System |
| Notes: | Lennox E40 Smart Thermostat |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0603 | ||
| CC | 15C | 2412.0 - 2462.0 | 0.038 |
| Output power for 2402 to 2480 MHz is peak conducted, 2412 to 2462 MHz average conducted. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |