FCC ID P27-ES1B
ES1 (B)
by Sercomm Corporation
Grantee Code: P27 Product Code: ES1B
Latest application date: 2026-04-20
FCC ID Device Details
| FCC ID | P27-ES1B |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | P27 |
| Product Code | ES1B |
| Applicant Business | Sercomm Corporation 🇹🇼 |
| Related Domains |  sercomm.com |
| Equipment Class | ES1 (B) |
| Test Firm | MRT Technology (Suzhou) Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 5745-5825 MHz | Class II permissive change or modification of presently authorized equipment | 2026-04-20 |
| 2412-2462 MHz | Class II permissive change or modification of presently authorized equipment | 2026-04-20 |
| 2412-2462 MHz | Original Equipment | 2025-08-10 |
| 5745-5825 MHz | Original Equipment | 2025-08-10 |
| 2402-2480 MHz | Original Equipment | 2025-08-10 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| user manual | Users Manual | 2026-02-07 | PDF 267.6 KB |
| user manual statement | Users Manual | 2026-02-07 | PDF 92.8 KB |
| Internal photos | Internal Photos | 2026-04-20 | PDF 1.8 MB |
| internal photos | Internal Photos | 2026-02-07 | PDF 2.7 MB |
| External photos | External Photos | 2026-04-20 | PDF 1.5 MB |
| external photos | External Photos | 2026-02-07 | PDF 2.2 MB |
| label | ID Label/Location Info | 2025-08-10 | PDF 2.3 MB |
| Test setup photos | Test Setup Photos | 2026-04-20 | PDF 406.3 KB |
| test setup photos | Test Setup Photos | 2026-02-07 | PDF 703.6 KB |
| Test report | Test Report | 2026-04-20 | PDF 1.1 MB |
| Test report | Test Report | 2026-04-20 | PDF 1 MB |
| BLE test report_1 | Test Report | 2025-08-10 | PDF 5.5 MB |
| BLE test report_2 | Test Report | 2025-08-10 | PDF 477.6 KB |
| WIFI 2.4G test report_1 | Test Report | 2025-08-10 | PDF 5.3 MB |
| WIFI 2.4G test report_2 | Test Report | 2025-08-10 | PDF 4.3 MB |
| antenna specification | Test Report | 2025-08-10 | PDF 2 MB |
| test report_1 | Test Report | 2025-08-10 | PDF 5.4 MB |
| test report_1 | Test Report | 2025-08-10 | PDF 5.4 MB |
| test report_2 | Test Report | 2025-08-10 | PDF 1.3 MB |
| test report_2 | Test Report | 2025-08-10 | PDF 5 MB |
| test report_3 | Test Report | 2025-08-10 | PDF 5.2 MB |
| test report_4 | Test Report | 2025-08-10 | PDF 5.5 MB |
| test report_5 | Test Report | 2025-08-10 | PDF 922.1 KB |
| Attestation Section 2.911(d)(5)(i) and (ii) Filing | Attestation Statements | 2026-04-20 | PDF 154.1 KB |
| US Agent letter | Attestation Statements | 2026-04-20 | PDF 66.6 KB |
| Attestation Section 2.911(d)(5)(i)&(ii) | Attestation Statements | 2025-08-10 | PDF 154.2 KB |
| US Agent letter | Attestation Statements | 2025-08-10 | PDF 61.6 KB |
| C2PC declaration letter | Cover Letter(s) | 2026-04-20 | PDF 158 KB |
| Confidentiality letter | Cover Letter(s) | 2026-04-20 | PDF 162.3 KB |
| POA letter | Cover Letter(s) | 2026-04-20 | PDF 152.3 KB |
| Declaration of Conformity letter | Cover Letter(s) | 2025-08-10 | PDF 151.9 KB |
| Non-SRD letter | Cover Letter(s) | 2025-08-10 | PDF 207.2 KB |
| POA letter | Cover Letter(s) | 2025-08-10 | PDF 152.5 KB |
| confidentiality letter-long term | Cover Letter(s) | 2025-08-10 | PDF 161.7 KB |
| confidentiality letter-short term | Cover Letter(s) | 2025-08-10 | PDF 156.1 KB |
| RF exposure report | RF Exposure Info | 2026-04-20 | PDF 403 KB |
| Block Diagram Metadata only | Block Diagram | PDF 61.5 KB | |
| Schematics Metadata only | Schematics | PDF 1.1 MB | |
| Schematics Metadata only | Schematics | PDF 2.1 MB | |
| Operational Description Metadata only | Operational Description | PDF 547.9 KB | |
| Software Security Description Metadata only | SDR Software/Security Info. | PDF 172.1 KB |
Application Information
| Application ID | tc3Fqn6hM4uhd9KmkKcOWg== |
|---|---|
| Final Action Date | 2026-04-20 |
| Application Purpose | Class II permissive change or modification of presently authorized equipment |
| Applicant FRN | 0015548027 |
| Model | ES1B |
| Frequency Range | 5745-5825 MHz |
| Equipment Class | NII - Unlicensed National Information Infrastructure TX |
| Device Description | ES1 (B) |
| Responsible Party | Nick Wu, Nick_wu@SERCOMM.COM , 886-2-2655-3988 |
| Non-Technical Contact | Stephen Leotis, Sercomm Technology, Inc., stephen_leotis@sercomm.com , +1-478-954-8427 |
| Test Firm | Mr. Marlin Chen, MRT Technology (Suzhou) Co., Ltd., marlinchen@mrt-cert.com  , 8651266308358 |
| TCB Email | TEI@timcoengr.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 |
|---|---|---|
| tc3Fqn6hM4uhd9KmkKcOWg== | 2026-04-20 | Class II permissive change or modification of presently authorized equipment |
| 0Uw3mfM2hECW1ybEXlhmXw== | 2026-04-20 | Class II permissive change or modification of presently authorized equipment |
| rZQU2ky5SPBQD6YigfM14A== | 2025-08-10 | Original Equipment |
| ptsgKPb4NQsfvBrXD3s0Fg== | 2025-08-10 | Original Equipment |
| FQrGC07OCxY2MUW+pOlFtQ== | 2025-08-10 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application tc3Fqn6hM4uhd9KmkKcOWg==
| 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: 04/20/2026 Application Dated: 04/20/2026 |
| 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: | P27-ES1B |
| Name of Grantee: | Sercomm Corporation |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | ES1 (B) |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5180.0 - 5240.0 | 0.1393 | ||
| CC | 15E | 5260.0 - 5320.0 | 0.1426 | ||
| CC | 15E | 5500.0 - 5720.0 | 0.1521 | ||
| CC | 15E | 5745.0 - 5825.0 | 0.1542 |
| C2PC: Replacement of the diplexer with a second-source component and addition of an RF absorber pad adjacent to the DDR memory chip described in the filing. Output Power listed is the maximum conducted output power. This device must be installed and operated so as to provide a separation distance of at least 20 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. Supports Bandwidth of 20, 40 and 80 MHz. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application rZQU2ky5SPBQD6YigfM14A==
| 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: 08/10/2025 Application Dated: 08/11/2025 |
| 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: | P27-ES1B |
| Name of Grantee: | Sercomm Corporation |
| Equipment Class: | Digital Transmission System |
| Notes: | ES1 (B) |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0165 | ||
| CC | 15C | 2412.0 - 2462.0 | 0.1766 |
| Output Power listed is the maximum conducted output power. This device must be installed and operated so as to provide a separation distance of at least 20 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. Supports Bandwidth of 20MHz. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application ptsgKPb4NQsfvBrXD3s0Fg==
| 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: 08/10/2025 Application Dated: 08/11/2025 |
| 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: | P27-ES1B |
| Name of Grantee: | Sercomm Corporation |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | ES1 (B) |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5180.0 - 5240.0 | 0.1393 | ||
| CC | 15E | 5260.0 - 5320.0 | 0.1426 | ||
| CC | 15E | 5500.0 - 5720.0 | 0.1521 | ||
| CC | 15E | 5745.0 - 5825.0 | 0.1542 |
| Output Power listed is the maximum conducted output power. This device must be installed and operated so as to provide a separation distance of at least 20 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. Supports Bandwidth of 20, 40 and 80 MHz. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application FQrGC07OCxY2MUW+pOlFtQ==
| 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: 08/10/2025 Application Dated: 08/11/2025 |
| 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: | P27-ES1B |
| Name of Grantee: | Sercomm Corporation |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | ES1 (B) |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0132 |
| Output Power listed is the maximum conducted output power. This device must be installed and operated so as to provide a separation distance of at least 20 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. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application 0Uw3mfM2hECW1ybEXlhmXw==
| 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: 04/20/2026 Application Dated: 04/20/2026 |
| 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: | P27-ES1B |
| Name of Grantee: | Sercomm Corporation |
| Equipment Class: | Digital Transmission System |
| Notes: | ES1 (B) |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0165 | ||
| CC | 15C | 2412.0 - 2462.0 | 0.1766 |
| C2PC: Replacement of the diplexer with a second-source component and addition of an RF absorber pad adjacent to the DDR memory chip described in the filing. Output Power listed is the maximum conducted output power. This device must be installed and operated so as to provide a separation distance of at least 20 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. Supports Bandwidth of 20MHz. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |