FCC ID 2BRX5PUFFMUFFSV1
2.4G Dongle
by Past Patterns, LLC
Grantee Code: 2BRX5 Product Code: PUFFMUFFSV1
Latest application date: 2025-11-21
FCC ID Device Details
| FCC ID | 2BRX5PUFFMUFFSV1 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BRX5 |
| Product Code | PUFFMUFFSV1 |
| Applicant Business | Past Patterns, LLC 🇺🇸 |
| Related Domains |  getmyster.com |
| Equipment Class | 2.4G Dongle |
| Test Firm | Bay Area Compliance Laboratories Corp. (Dongguan) |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-11-21 |
| 2402-2480 MHz | Original Equipment | 2025-11-21 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2025-11-21 | PDF 3.6 MB |
| Internal Photos | Internal Photos | 2025-11-21 | PDF 902.9 KB |
| External Photos | External Photos | 2025-11-21 | PDF 796.5 KB |
| Label Location | ID Label/Location Info | 2025-11-21 | PDF 841.8 KB |
| Test Setup Photos | Test Setup Photos | 2025-11-21 | PDF 757.6 KB |
| Antenna Report | Test Report | 2025-11-21 | PDF 1.4 MB |
| Test Report | Test Report | 2025-11-21 | PDF 2 MB |
| Test Report | Test Report | 2025-11-21 | PDF 2.7 MB |
| Attestation Letter-2.911(d)(5)(i)(ii) | Attestation Statements | 2025-11-21 | PDF 66.2 KB |
| US Agent Attestation Letter | Attestation Statements | 2025-11-21 | PDF 70.2 KB |
| FCC Agent Authorization Letter | Cover Letter(s) | 2025-11-21 | PDF 42.8 KB |
| FCC Confidential Authorization Form | Cover Letter(s) | 2025-11-21 | PDF 90.4 KB |
| RF Exposure | RF Exposure Info | 2025-11-21 | PDF 103 KB |
| RF Exposure | RF Exposure Info | 2025-11-21 | PDF 103.4 KB |
| Block Diagram Metadata only | Block Diagram | PDF 51.6 KB | |
| Schematics Metadata only | Schematics | PDF 439.8 KB | |
| Circuit Description Metadata only | Operational Description | PDF 235.4 KB | |
| BOM Metadata only | Parts List/Tune Up Info | PDF 72.7 KB |
Application Information
| Application ID | TxSvdYd/5U6VpnoRACd+qg== |
|---|---|
| Final Action Date | 2025-11-21 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037453586 |
| Model | PUFFMUFFSV1 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | 2.4G Dongle |
| Responsible Party | Davis Kiyonaga, Contact@getmyster.com , 1-888-420-0755 |
| Test Firm | David Zhang, Bay Area Compliance Laboratories Corp. (Dongguan), qa.dg@baclcorp.com  , 0086-769-8685-8891 |
| TCB Email | bacl.regulatory@baclcorp.com |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| 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 |
|---|---|---|
| TxSvdYd/5U6VpnoRACd+qg== | 2025-11-21 | Original Equipment |
| TBTcILy78vYwng3x7RZXzw== | 2025-11-21 | Original Equipment |
Grants
TCB Grant - Application TxSvdYd/5U6VpnoRACd+qg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Bay Area Compliance Laboratories Corp. 1274 Anvilwood Avenue Sunnyvale, CA 94089 |
Date of Grant: 11/21/2025 Application Dated: 11/21/2025 |
| Past Patterns, LLC |
| 3905 State St. unit 7-341 |
| Santa Barbara, CA 93105 |
| Attention: Davis Kiyonaga , Fouder |
| 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: | 2BRX5PUFFMUFFSV1 |
| Name of Grantee: | Past Patterns, LLC |
| Equipment Class: | Digital Transmission System |
| Notes: | 2.4G Dongle |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0012 |
| Output power listed is conducted. |
TCB Grant - Application TBTcILy78vYwng3x7RZXzw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Bay Area Compliance Laboratories Corp. 1274 Anvilwood Avenue Sunnyvale, CA 94089 |
Date of Grant: 11/21/2025 Application Dated: 11/21/2025 |
| Past Patterns, LLC |
| 3905 State St. unit 7-341 |
| Santa Barbara, CA 93105 |
| Attention: Davis Kiyonaga , Fouder |
| 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: | 2BRX5PUFFMUFFSV1 |
| Name of Grantee: | Past Patterns, LLC |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | 2.4G Dongle |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0016 |
| Output power listed is conducted. |