FCC ID P27WFEXT4971
Tri-Band 11ax Smart Wi-Fi Extender, AT&T Smart Wi-Fi Extender
by Sercomm Corporation
Grantee Code: P27 Product Code: WFEXT4971
Latest application date: 2025-09-26
FCC ID Device Details
| FCC ID | P27WFEXT4971 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | P27 |
| Product Code | WFEXT4971 |
| Applicant Business | Sercomm Corporation 🇹🇼 |
| Related Domains |  sercomm.com |
| Equipment Class | Tri-Band 11ax Smart Wi-Fi Extender, AT&T Smart Wi-Fi Extender |
| Test Firm | Sporton International Inc. Hsinchu Laboratory |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Change in identification of presently authorized equipment. Original FCC ID: Z3WAIR4971 Grant Date: 03/16/2021 | 2025-09-26 |
| 5745-5825 MHz | Change in identification of presently authorized equipment. Original FCC ID: Z3WAIR4971 Grant Date: 03/29/2021 | 2025-09-26 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| External Photos | External Photos | 2025-09-26 | PDF 614.2 KB |
| Label Information | ID Label/Location Info | 2025-09-26 | PDF 55.4 KB |
| Label Location | ID Label/Location Info | 2025-09-26 | PDF 55.4 KB |
| Att Statements 2.911(d)(5)(7) | Attestation Statements | 2025-09-26 | PDF 105.9 KB |
| Att Statements 2.911(d)(5)(i)&(ii) | Attestation Statements | 2025-09-26 | PDF 102.9 KB |
| Change in ID - New Applicant | Cover Letter(s) | 2025-09-26 | PDF 114.1 KB |
| Change in ID - Original Applicant | Cover Letter(s) | 2025-09-26 | PDF 120.4 KB |
| POA Sercomm | Cover Letter(s) | 2025-09-26 | PDF 74.4 KB |
Application Information
| Application ID | xHijxoJ2Ox4266+SXaxeCg== |
|---|---|
| Final Action Date | 2025-09-26 |
| Application Purpose | Change in identification of presently authorized equipment. Original FCC ID: Z3WAIR4971 Grant Date: 03/16/2021 |
| Applicant FRN | 0015548027 |
| Model | WFEXT4971 |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Tri-Band 11ax Smart Wi-Fi Extender, AT&T Smart Wi-Fi Extender |
| Responsible Party | Nick Wu, Nick_wu@SERCOMM.COM , 886-2-2655-3988 |
| Test Firm | Alex Chen, Sporton International Inc. Hsinchu Laboratory, alex@sporton.com.tw  , 886-3-327-3456 |
| TCB Email | tei@timcoengr.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | No |
| 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 |
|---|---|---|
| xHijxoJ2Ox4266+SXaxeCg== | 2025-09-26 | Change in identification of presently authorized equipment. Original FCC ID: Z3WAIR4971 Grant Date: 03/16/2021 |
| x+8HbUBgcpB0esqSQ8sFyg== | 2025-09-26 | Change in identification of presently authorized equipment. Original FCC ID: Z3WAIR4971 Grant Date: 03/29/2021 |
Equipment Authorization
Grants
TCB Grant - Application xHijxoJ2Ox4266+SXaxeCg==
| 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: 09/26/2025 Application Dated: 09/25/2025 |
| Sercomm Corporation |
| 8F, No. 3-1, YuanQu St, NanKang |
| Taipei, 115 Taiwan |
| Attention: Nick Wu , 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: | P27WFEXT4971 |
| Name of Grantee: | Sercomm Corporation |
| Equipment Class: | Digital Transmission System |
| Notes: | Tri-Band 11ax Smart Wi-Fi Extender, AT&T Smart Wi-Fi Extender |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC MO | 15C | 2412.0 - 2462.0 | 0.273 |
| Power listed is maximum power conducted. Device operates with specific antennas in MIMO configurations as described in this filing. The antennas use for this device must be installed to provide a separation distance of at least 24cm from all persons and must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Users must be provided with installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device has 20, and 40 MHz bandwidth modes. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| MO: | This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing. |
TCB Grant - Application x+8HbUBgcpB0esqSQ8sFyg==
| 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: 09/26/2025 Application Dated: 09/25/2025 |
| Sercomm Corporation |
| 8F, No. 3-1, YuanQu St, NanKang |
| Taipei, 115 Taiwan |
| Attention: Nick Wu , 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: | P27WFEXT4971 |
| Name of Grantee: | Sercomm Corporation |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | Tri-Band 11ax Smart Wi-Fi Extender, AT&T Smart Wi-Fi Extender |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC MO | 15E | 5180.0 - 5240.0 | 0.528 | ||
| CC MO | 15E | 5260.0 - 5320.0 | 0.242 | ||
| CC MO | 15E | 5500.0 - 5720.0 | 0.249 | ||
| CC MO | 15E | 5745.0 - 5825.0 | 0.927 |
| Power listed is maximum power conducted. This device is restricted for indoor use only. Device operates with specific antennas in MIMO configurations as described in this filing. The antennas use for this device must be installed to provide a separation distance of at least 24cm from all persons and must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Users must be provided with installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device has 20, 40, and 80 MHz bandwidth modes. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| MO: | This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing. |