FCC ID P27AIR4992-41
AT&T ALL-Fi Extender
by Sercomm Corporation
Grantee Code: P27 Product Code: AIR499241
Latest application date: 2026-09-15
FCC ID Device Details
| FCC ID | P27AIR4992-41 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | P27 |
| Product Code | AIR499241 |
| Applicant Business | Sercomm Corporation 🇹🇼 |
| Related Domains |  sercomm.com  approve-it.net |
| Equipment Class | AT&T ALL-Fi Extender |
| Test Firm | Sporton International Inc. Hsinhua Laboratory |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2026-09-15 |
| 5955-7095 MHz | Original Equipment | 2026-09-15 |
| 5745-5825 MHz | Original Equipment | 2026-09-15 |
| 5955-7095 MHz | Original Equipment | 2026-09-15 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Label and Location Info | ID Label/Location Info | 2026-09-15 | PDF 543.3 KB |
| Label and Location Information | ID Label/Location Info | 2026-09-15 | PDF 543.3 KB |
| Antenna Specifications | Test Report | 2026-09-15 | PDF 5.4 MB |
| Test Report DFS | Test Report | 2026-09-15 | PDF 3.2 MB |
| Test Report WLAN 2.4G | Test Report | 2026-09-15 | PDF 4.2 MB |
| Test Report WLAN 5G Part 1 | Test Report | 2026-09-15 | PDF 5.6 MB |
| Test Report WLAN 5G Part 2 | Test Report | 2026-09-15 | PDF 2.1 MB |
| Test Report WLAN 6G Part 1 | Test Report | 2026-09-15 | PDF 5.6 MB |
| Test Report WLAN 6G Part 2 | Test Report | 2026-09-15 | PDF 2.9 MB |
| Attestation Statement | Attestation Statements | 2026-09-15 | PDF 95.8 KB |
| Attestation Statement part 2.911(d)(7) | Attestation Statements | 2026-09-15 | PDF 374.9 KB |
| Attstn Stmts part 2.911(d)(7) | Attestation Statements | 2026-09-15 | PDF 374.9 KB |
| Attstn Stmts parts 2.911(d)(5)(i)&(ii) | Attestation Statements | 2026-09-15 | PDF 90.4 KB |
| Confidentiality Request Letter | Cover Letter(s) | 2026-09-15 | PDF 91 KB |
| LOA | Cover Letter(s) | 2026-09-15 | PDF 90.8 KB |
| MPE Report | RF Exposure Info | 2026-09-15 | PDF 307.2 KB |
| User Manual Metadata only | Users Manual | 2027-03-14 | PDF 1.2 MB |
| Internal Photos Metadata only | Internal Photos | 2027-03-14 | PDF 3.5 MB |
| External Photos Metadata only | External Photos | 2027-03-14 | PDF 544.1 KB |
| Antenna TSUP Metadata only | Test Setup Photos | 2027-03-14 | PDF 1.2 MB |
| TSUP DFS Metadata only | Test Setup Photos | 2027-03-14 | PDF 589.5 KB |
| TSUP WLAN 2.4G Metadata only | Test Setup Photos | 2027-03-14 | PDF 1.7 MB |
| TSUP WLAN 5G Metadata only | Test Setup Photos | 2027-03-14 | PDF 1.7 MB |
| TSUP WLAN 6G Metadata only | Test Setup Photos | 2027-03-14 | PDF 1.5 MB |
| Block Diagram Metadata only | Block Diagram | PDF 524.2 KB | |
| Schematics Metadata only | Schematics | PDF 2 MB | |
| Operational Description Metadata only | Operational Description | PDF 396.4 KB | |
| Op Desc Software Security Metadata only | SDR Software/Security Info. | PDF 175.5 KB |
Application Information
| Application ID | pBZnqQSrr8/bTEDujLgDDQ== |
|---|---|
| Final Action Date | 2026-09-15 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0015548027 |
| Model | AIR4992-41 |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | AT&T ALL-Fi Extender |
| Responsible Party | Nick Wu, Nick_wu@SERCOMM.COM , 886-2-2655-3988 |
| Non-Technical Contact | Nathan Grinager, Approve-IT, Inc., team@approve-it.net , 651-247-1678 |
| Test Firm | Alex Chen, Sporton International Inc. Hsinhua Laboratory, alex@sporton.com.tw  , 886-3-327-3456 |
| TCB Email | cb@industrial-ia.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| 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 |
|---|---|---|
| pBZnqQSrr8/bTEDujLgDDQ== | 2026-09-15 | Original Equipment |
| ZQu/K9KxPIf0svTmNf1BJA== | 2026-09-15 | Original Equipment |
| 2YJhtlEx6zNi/bJFeGf59A== | 2026-09-15 | Original Equipment |
| 0OhlT9WRgdHD57h9rV1PwA== | 2026-09-15 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application ZQu/K9KxPIf0svTmNf1BJA==
| 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: 09/15/2026 Application Dated: 09/11/2026 |
| 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: | P27AIR4992-41 |
| Name of Grantee: | Sercomm Corporation |
| Equipment Class: | 15E 6 GHz Subordinate Indoor Device |
| Notes: | AT&T ALL-Fi Extender |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC EP MO | 15E | 5955.0 - 7095.0 | 0.8933 |
| Power listed is EIRP. Device operates with specific antennas in MIMO configurations as described in this filing. The antennas used for this device must be installed to provide a separation distance of at least 48 cm from all persons and must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. Users must be provided with installation instructions and transmitter operating conditions for satisfying RF exposure compliance requirements. This device has 20, 40, 80, 160 and 320 MHz bandwidth modes. Device operation is limited to indoor use only. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| EP: | Output power is Effective Isotropic Radiated Power (EIRP) |
| MO: | This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing. |
TCB Grant - Application pBZnqQSrr8/bTEDujLgDDQ==
| 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: 09/15/2026 Application Dated: 09/11/2026 |
| 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: | P27AIR4992-41 |
| Name of Grantee: | Sercomm Corporation |
| Equipment Class: | Digital Transmission System |
| Notes: | AT&T ALL-Fi Extender |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC MO | 15C | 2412.0 - 2462.0 | 0.7745 |
| Output Power listed is the maximum combined conducted output power. This device must be installed and operated so as to provide a separation distance of at least 48 cm from all persons and 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. End-users must be informed of operating requirements for satisfying RF exposure compliance requirements. This device supports 20 and 40 MHz bandwidth modes. Device operation is limited to indoor use only. |
| 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 2YJhtlEx6zNi/bJFeGf59A==
| 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: 09/15/2026 Application Dated: 09/11/2026 |
| 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: | P27AIR4992-41 |
| Name of Grantee: | Sercomm Corporation |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | AT&T ALL-Fi Extender |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC MO | 15E | 5180.0 - 5240.0 | 0.9772 | ||
| CC MO ND | 15E | 5260.0 - 5320.0 | 0.2443 | ||
| CC MO ND | 15E | 5500.0 - 5720.0 | 0.2477 | ||
| CC MO | 15E | 5745.0 - 5825.0 | 0.9818 |
| Output Power listed is the maximum combined conducted output power. This device must be installed and operated so as to provide a separation distance of at least 48 cm from all persons and 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. End-users must be informed of operating requirements for satisfying RF exposure compliance requirements. This device supports 20, 40, 80 and 160 MHz bandwidth modes. Device operation is limited to indoor use only. |
| 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. |
| ND: | This UNII device complies with the Transmit Power Control (TPC) and Dynamic Frequency Selection (DFS) requirements in Section 15.407(h). |
TCB Grant - Application 0OhlT9WRgdHD57h9rV1PwA==
| 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: 09/15/2026 Application Dated: 09/11/2026 |
| 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: | P27AIR4992-41 |
| Name of Grantee: | Sercomm Corporation |
| Equipment Class: | 15E 6 GHz Low Power Indoor Access Point |
| Notes: | AT&T ALL-Fi Extender |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC EP MO | 15E | 5955.0 - 7095.0 | 0.8933 |
| Power listed is EIRP. Device operates with specific antennas in MIMO configurations as described in this filing. The antennas used for this device must be installed to provide a separation distance of at least 48 cm from all persons and must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. Users must be provided with installation instructions and transmitter operating conditions for satisfying RF exposure compliance requirements. This device has 20, 40, 80, 160 and 320 MHz bandwidth modes. Device operation is limited to indoor use only. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| EP: | Output power is Effective Isotropic Radiated Power (EIRP) |
| MO: | This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing. |