FCC ID 2AI28-AESEM2
Situational Awareness Earmuffs
by Klein Tools Inc.
Grantee Code: 2AI28 Product Code: AESEM2
Latest application date: 2025-07-31
FCC ID Device Details
| FCC ID | 2AI28-AESEM2 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AI28 |
| Product Code | AESEM2 |
| Applicant Business | Klein Tools Inc. 🇺🇸 |
| Related Domains |  kleintools.com |
| Equipment Class | Situational Awareness Earmuffs |
| Test Firm | Centre Testing International Group Co., Ltd |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-07-31 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-01-28 | PDF 940.1 KB |
| Internal Photos_1 | Internal Photos | 2026-01-28 | PDF 3.7 MB |
| Internal Photos_2 | Internal Photos | 2026-01-28 | PDF 3.9 MB |
| Internal Photos_3 | Internal Photos | 2026-01-28 | PDF 1.4 MB |
| External Photos | External Photos | 2026-01-28 | PDF 1.2 MB |
| Label Location | ID Label/Location Info | 2025-07-31 | PDF 698.3 KB |
| Appendix D Photo documentation | Test Setup Photos | 2026-01-28 | PDF 4.7 MB |
| Tablet SAR report_photo | Test Setup Photos | 2026-01-28 | PDF 250.2 KB |
| Test Setup Photos | Test Setup Photos | 2026-01-28 | PDF 1.6 MB |
| Antenna Specification | Test Report | 2025-07-31 | PDF 1 MB |
| EED32R80992401 Appendix Bluetooth ClassicPart_1 | Test Report | 2025-07-31 | PDF 4.7 MB |
| EED32R80992401 Appendix Bluetooth ClassicPart_2 | Test Report | 2025-07-31 | PDF 3.2 MB |
| EED32R80992401 Part 15C 15.247 Bluetooth Classic | Test Report | 2025-07-31 | PDF 5.1 MB |
| Attestation Statements 2.911 d 5 i | Attestation Statements | 2025-07-31 | PDF 154.6 KB |
| Attestation Statements 2.911 d 5 ii | Attestation Statements | 2025-07-31 | PDF 149.8 KB |
| FCC SDOC attestion Letter | Attestation Statements | 2025-07-31 | PDF 128.4 KB |
| US AGENT Letter | Attestation Statements | 2025-07-31 | PDF 104.3 KB |
| Authority Letter | Cover Letter(s) | 2025-07-31 | PDF 151.5 KB |
| Confidentiality Letter | Cover Letter(s) | 2025-07-31 | PDF 119.2 KB |
| Appendix A SAR System performance Check Plots | RF Exposure Info | 2025-07-31 | PDF 361 KB |
| Appendix B SAR Measurement results Plots | RF Exposure Info | 2025-07-31 | PDF 526.5 KB |
| Appendix C Calibration reports | RF Exposure Info | 2025-07-31 | PDF 2.7 MB |
| EED32R80992402 FCC Tablet SAR report | RF Exposure Info | 2025-07-31 | PDF 1.1 MB |
| Block Diagram Metadata only | Block Diagram | PDF 410.6 KB | |
| Schematic Diagram Metadata only | Schematics | PDF 482.9 KB | |
| Operation Description Metadata only | Operational Description | PDF 125.6 KB |
Application Information
| Application ID | rXtLeKXkN4Hv0eZ2mcihhw== |
|---|---|
| Final Action Date | 2025-07-31 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0025719949 |
| Model | AESEM2 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Situational Awareness Earmuffs |
| Responsible Party | Russell Goldmann II, Product Safety Engineering Director, rgoldmann@kleintools.com , 847-821-3305 |
| Test Firm | Vicky Zhou, Centre Testing International Group Co., Ltd, zhoushuping@cti-cert.com  , 86-755-3368-1398 |
| TCB Email | TEI@timcoengr.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 01/28/2026 |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | No |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Output Power listed is the maximum conducted output power. This device must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. Max Body SAR 0.008W/kg Max Head SAR 0.004W/Kg |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| rXtLeKXkN4Hv0eZ2mcihhw== | 2025-07-31 | Original Equipment |
Equipment Authorization
| Frequency | Output |
|---|---|
| 2402-2480 MHz | 0.0026000 |
Grants
TCB Grant - Application rXtLeKXkN4Hv0eZ2mcihhw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 07/31/2025 Application Dated: 07/31/2025 |
| Klein Tools Inc. |
| 450 Bond Street |
| Lincolnshire, IL 60069 |
| Attention: Russell Goldmann II , Product Safety Engineering Director |
| 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: | 2AI28-AESEM2 |
| Name of Grantee: | Klein Tools Inc. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Situational Awareness Earmuffs |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0026 |
| Output Power listed is the maximum conducted output power. This device must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. Max Body SAR 0.008W/kg Max Head SAR 0.004W/Kg |