FCC ID 2AJ2X-WB50
Charger
by Whoop Inc.
Grantee Code: 2AJ2X Product Code: WB50
Latest application date: 2025-05-08
FCC ID Device Details
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 13.56 MHz | Original Equipment | 2025-05-08 |
| 2402-2480 MHz | Original Equipment | 2025-05-08 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| 8]WHOOP_5.0_User Guide | Users Manual | 2025-11-01 | PDF 5.8 MB |
| 8]FCC-ISED-Statements | Users Manual | 2025-05-08 | PDF 193 KB |
| STC_2]WB50 Internal Photos | Internal Photos | 2025-11-01 | PDF 698.3 KB |
| STC_1]WB50 External Photos | External Photos | 2025-11-01 | PDF 2.1 MB |
| 3]E-Label_Information-v2 | ID Label/Location Info | 2025-05-08 | PDF 222.2 KB |
| R14956064-EP1 v5 FCC IC WPT SETUP PHOTOS EXHIBIT | Test Setup Photos | 2025-11-01 | PDF 1.3 MB |
| R14956064-S1_App A_SAR Setup Photos | Test Setup Photos | 2025-11-01 | PDF 534.1 KB |
| R14956064-S4_App A_SAR Setup Photos | Test Setup Photos | 2025-11-01 | PDF 941.2 KB |
| STC_R14956064-EP4 v2 BLE SETUP PHOTOS EXHIBIT | Test Setup Photos | 2025-11-01 | PDF 1.1 MB |
| 7]WB50 Antenna Gains Metadata only | Test Report | 2025-05-08 | PDF 123.8 KB |
| R14956064-E3 v5 FCC IC WPT REPORT | Test Report | 2025-05-08 | PDF 1.4 MB |
| R14956064-E8 v2 FCC IC BLE REPORT | Test Report | 2025-05-08 | PDF 3 MB |
| WB50 Antenna Gains | Test Report | 2025-05-08 | PDF 122.4 KB |
| 11]FCC 2.911[d][5] Attestation-WB50 | Attestation Statements | 2025-05-08 | PDF 129.8 KB |
| 12]FCC 2.911[d][7]-Agent is Applicant -All | Attestation Statements | 2025-05-08 | PDF 130.9 KB |
| 10] FCC Request for Confidentiality | Cover Letter(s) | 2025-05-08 | PDF 165.1 KB |
| R14956064-S1 v7 FCC SAR Report | RF Exposure Info | 2025-05-08 | PDF 1.1 MB |
| R14956064-S1_App B_SAR System Check Plots | RF Exposure Info | 2025-05-08 | PDF 214 KB |
| R14956064-S1_App C_SAR Highest Test Plots | RF Exposure Info | 2025-05-08 | PDF 626 KB |
| R14956064-S1_App D_SAR Tissue Ingredients | RF Exposure Info | 2025-05-08 | PDF 275.8 KB |
| R14956064-S1_App E_SAR Probe Certificates | RF Exposure Info | 2025-05-08 | PDF 5.3 MB |
| R14956064-S1_App F_SAR Dipole Certificates | RF Exposure Info | 2025-05-08 | PDF 1,003.8 KB |
| R14956064-S4 v4 FCC SAR Report | RF Exposure Info | 2025-05-08 | PDF 1 MB |
| R14956064-S4_App B_SAR System Check Plots | RF Exposure Info | 2025-05-08 | PDF 143.9 KB |
| R14956064-S4_App C_SAR Highest Test Plots | RF Exposure Info | 2025-05-08 | PDF 414 KB |
| R14956064-S4_App D_SAR Tissue Ingredients | RF Exposure Info | 2025-05-08 | PDF 275.8 KB |
| R14956064-S4_App E_SAR Probe Certificates | RF Exposure Info | 2025-05-08 | PDF 4.9 MB |
| R14956064-S4_App F_SAR Dipole Certificates | RF Exposure Info | 2025-05-08 | PDF 656.3 KB |
| confidential_6]WB50_BlockDiagram Metadata only | Block Diagram | PDF 73.1 KB | |
| confidential_4]WB50_Schematic_820-000140 Metadata only | Schematics | PDF 2.2 MB | |
| 5]WHOOP-Gen5-Description_OD_V4.2 Metadata only | Operational Description | PDF 4.7 MB | |
| 7]WB50 Antenna Specification Metadata only | Operational Description | PDF 686.4 KB |
Application Information
| Application ID | uoSvBuqrkVIbQOdJszeNEg== |
|---|---|
| Final Action Date | 2025-05-08 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0025962804 |
| Model | WB50 |
| Frequency Range | 13.56 MHz |
| Equipment Class | DXX - Part 15 Low Power Communication Device Transmitter |
| Device Description | Charger |
| Responsible Party | Aurelian Nicolae, Chief Hardware Engineer, compliance@whoop.com  , 6176701074 |
| Technical Contact | Aurelian Nicolae, Whoop Inc., charles.moody@ul.com  , 16176701074 |
| Test Firm | Steven Thompson, UL LLC, steven.d.thompson@ul.com , 919 549 1430 |
| TCB Email | LST.FRE.CertNotice@ul.com |
| TCB Scope | A1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 11/01/2025 |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| 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 | The highest reported SAR (10-g extremity exposure) and simultaneous transmission are <0.1 W/kg (10g) and <0.1 W/kg (10g) respectively. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| uoSvBuqrkVIbQOdJszeNEg== | 2025-05-08 | Original Equipment |
| hVL/LH5o3n4ur23vfXtgyQ== | 2025-05-08 | Original Equipment |
Equipment Authorization
| Frequency | Output |
|---|---|
| 13.56 MHz | |
| 2402-2480 MHz | 0.0063700 |
Grants
TCB Grant - Application uoSvBuqrkVIbQOdJszeNEg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
UL Verification Services Inc. 47173 Benicia Street Fremont, CA 94538 |
Date of Grant: 05/08/2025 Application Dated: 05/08/2025 |
| Whoop Inc. |
| One Kenmore Square |
| Suite 601 |
| Boston, MA 02215 |
| Attention: Aurelian Nicolae , Chief Hardware Engineer |
| 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: | 2AJ2X-WB50 |
| Name of Grantee: | Whoop Inc. |
| Equipment Class: | Part 15 Low Power Communication Device Transmitter |
| Notes: | Charger |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 13.56 - 13.56 |
| The highest reported SAR (10-g extremity exposure) and simultaneous transmission are <0.1 W/kg (10g) and <0.1 W/kg (10g) respectively. |
TCB Grant - Application hVL/LH5o3n4ur23vfXtgyQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
UL Verification Services Inc. 47173 Benicia Street Fremont, CA 94538 |
Date of Grant: 05/08/2025 Application Dated: 05/08/2025 |
| Whoop Inc. |
| One Kenmore Square |
| Suite 601 |
| Boston, MA 02215 |
| Attention: Aurelian Nicolae , Chief Hardware Engineer |
| 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: | 2AJ2X-WB50 |
| Name of Grantee: | Whoop Inc. |
| Equipment Class: | Digital Transmission System |
| Notes: | Charger |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00637 |
| Output power listed is Peak conducted. The highest reported SAR (10-g extremity exposure) and simultaneous transmission are <0.1 W/kg (10g) and <0.1 W/kg (10g) respectively. |