Document Overview
Document Overview This article covers the official FCC electromagnetic compatibility (EMC) test report issued for the ETENWOLF C2 Wireless Portable Tire Pump. The report was prepared and approved by Waltek Testing Group HCT (Shenzhen) Co., Ltd., an accredited RF and EMC testing laboratory based in…
- Document type
- Certification Report
- Prepared by
- Michelle Torres
- Published
- Last reviewed
- Topics
- North America: FCC / UL
Document Overview
This article covers the official FCC electromagnetic compatibility (EMC) test report issued for the ETENWOLF C2 Wireless Portable Tire Pump. The report was prepared and approved by Waltek Testing Group HCT (Shenzhen) Co., Ltd., an accredited RF and EMC testing laboratory based in Shenzhen, Guangdong, China.
| Field | Details |
|---|---|
| Reference Number | WTH25H09239219E |
| Document Type | FCC EMC Test Report |
| Test Report Form | TRF FCC CFR 47 Part 15 Subpart B-EMC-001-V01 |
| Internal Report Code | HCT/RF-23-21 |
| Date of Sample Receipt | 2025-09-05 |
| Date of Testing | 2025-09-08 to 2025-09-10 |
| Date of Issue | 2025-09-15 |
| Test Result | Pass |
Product Information
The Equipment Under Test (EUT) evaluated in this report is the ETENWOLF C2 Wireless Portable Tire Pump — a compact, battery-powered inflation tool designed for automotive, bicycle, and recreational use without the need for a corded power source.
| Attribute | Value |
|---|---|
| Product Name | Wireless Portable Tire Pump |
| Model Number | C2 |
| Brand | ETENWOLF |
| Applicant | Guangdong Bestek Technology Co., LTD |
| Manufacturer | Guangdong Bestek Technology Co., LTD |
| Manufacturer Address | No.1, North Gaopu 8th Road, Yuancheng Industrial Park, Heyuan City, Guangdong, P.R.China |
| Product Category | Inflation Tool / Portable Tire Pump |
Key Details
The test report covers two core electromagnetic compliance disciplines under FCC CFR 47 Part 15 Subpart B: Conducted Emission and Radiated Emission measurements. Both disciplines were performed with the EUT configured in its standard operating mode.
Test Scope Summary
| Test Section | Description |
|---|---|
| Section 3 – Conducted Emission | Measurement of high-frequency electrical noise conducted back onto the AC/DC power lines from the EUT, evaluated against FCC Part 15 Subpart B limits. |
| Section 4 – Radiated Emission | Measurement of electromagnetic energy radiated from the EUT and its cables, evaluated in an accredited test facility against FCC Part 15 Subpart B limits. |
| EUT Exercise Software | EUT operated under standard functional conditions; no special exercise software required. |
| Equipment Modifications | None — production-representative sample tested without modification. |
| Decision Rule Applied | Per FCC CFR 47 Part 15 Subpart B compliance decision methodology. |
Test Personnel
| Role | Name |
|---|---|
| Prepared By | Snow Zeng |
| Approved By | Tony Wu |
Standards & Compliance
The ETENWOLF C2 Wireless Portable Tire Pump was tested in accordance with the following regulatory standard, which governs unintentional radiators sold or operated within the United States market.
| Standard | Scope | Authority |
|---|---|---|
| FCC CFR 47 Part 15 Subpart B | Unintentional Radiators — Conducted and Radiated Emission Limits | Federal Communications Commission (FCC), USA |
FCC Part 15 Subpart B sets mandatory emission limits for digital devices to ensure they do not cause harmful interference to licensed radio communications. Compliance with this subpart is required for all electronic devices marketed in the United States. The C2 model achieved a Pass result across all applicable test items, confirming it meets FCC requirements for market entry.
Measurement Uncertainty
All measurements were conducted with documented measurement uncertainty budgets per laboratory accreditation requirements. Uncertainty values are recorded within the full test report (Reference No. WTH25H09239219E, pages 8 onward).
Validity & Certification Body
The test report was issued by Waltek Testing Group HCT (Shenzhen) Co., Ltd., an accredited third-party testing laboratory operating under internationally recognized quality management standards. The laboratory is authorized to conduct FCC-related EMC testing for product compliance purposes.
| Field | Details |
|---|---|
| Issuing Laboratory | Waltek Testing Group HCT (Shenzhen) Co., Ltd. |
| Laboratory Address | Building B, Tianji Industrial Park, 1/F. & 2/F. & 3/F., No.30-9, Laiyin Road, Xinsheng Community, Longgang Subdistrict, Longgang District, Shenzhen, Guangdong, China |
| Laboratory Tel | 0755-84616666 |
| Service Hotline | 400-0066-989 |
| Laboratory Email | [email protected] |
| Report Reference No. | WTH25H09239219E |
| Date of Issue | 2025-09-15 |
| Report Total Pages | 26 pages |
| Validity Note | This test report is valid for the specific product model, configuration, and hardware version tested. Any design change to the EUT may invalidate this report and require re-testing. |
Frequently Asked Questions
- What does it mean that the ETENWOLF C2 passed FCC Part 15 Subpart B testing?
-
A Pass result means the ETENWOLF C2 Wireless Portable Tire Pump does not emit electromagnetic interference above the limits set by FCC CFR 47 Part 15 Subpart B. This is a mandatory requirement for all electronic devices sold in the United States. It confirms the C2 is legally authorized for sale in the US market from an emissions standpoint.
- Who conducted the FCC EMC testing for the C2 model?
-
The testing was conducted by Waltek Testing Group HCT (Shenzhen) Co., Ltd., a third-party accredited EMC and RF laboratory located in Shenzhen, Guangdong, China. The report (Reference No. WTH25H09239219E) was prepared by Snow Zeng and approved by Tony Wu, and was issued on 2025-09-15.
- What types of emission tests were performed on the C2 tire pump?
-
Two categories of emission tests were performed: Conducted Emission testing (measuring noise propagated through the power supply lines) and Radiated Emission testing (measuring electromagnetic fields radiated by the device). Both tests were evaluated against the FCC CFR 47 Part 15 Subpart B limits.
- Does this FCC test report cover wireless radio frequency (RF) transmission?
-
No. This report specifically covers FCC CFR 47 Part 15 Subpart B, which applies to unintentional radiators — devices that are not designed to intentionally transmit radio signals but must still comply with emission limits. If the C2 includes intentional wireless transmitters (e.g., Bluetooth), those would be covered under a separate FCC Part 15 Subpart C or similar certification.
Related Documents
For a complete compliance picture of the ETENWOLF C2 Wireless Portable Tire Pump, the following related certification and test documents are typically required or recommended for this product category:
- CE EMC Declaration of Conformity — Required for European market entry; covers EN 55032, EN 55035, and related EMC directives under the CE marking framework.
- CE LVD (Low Voltage Directive) Test Report — Required if the product operates on or charges via AC mains power; covers electrical safety per IEC 62368-1 or IEC 60335 series.
- UN 38.3 Battery Transport Test Report — Mandatory for products containing lithium-ion batteries intended for air or sea freight shipment worldwide.
- RoHS Compliance Certificate — Confirms the product and its components are free from restricted hazardous substances per EU RoHS Directive 2011/65/EU.
- REACH SVHC Declaration — Confirms no Substances of Very High Concern above threshold limits per EU REACH Regulation (EC) No 1907/2006.
- KC Certification (Korea) — Required for electronic products sold in the Republic of Korea market under KC EMC and safety standards.
- FCC ID Grant of Equipment Authorization — If the C2 includes intentional RF transmitters, a separate FCC ID grant issued by the FCC or a Telecommunication Certification Body (TCB) would be required in addition to this Part 15B report.
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