FCC ID A3LWCH931M
Wi-Fi/BT Transceiver
by Samsung Electronics Co Ltd
Grantee Code: A3L Product Code: WCH931M
Latest application date: 2026-01-29
FCC ID Device Details
| FCC ID | A3LWCH931M |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | A3L |
| Product Code | WCH931M |
| Applicant Business | Samsung Electronics Co Ltd 🇺🇸 |
| Related Domains |  samsung.com |
| Equipment Class | Wi-Fi/BT Transceiver |
| Test Firm | CTK Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 5745-5825 MHz | Original Equipment | 2026-01-29 |
| 2412-2472 MHz | Original Equipment | 2026-01-29 |
| 2402-2480 MHz | Original Equipment | 2026-01-29 |
| 5955-7115 MHz | Original Equipment | 2026-01-29 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-07-28 | PDF 750.8 KB |
| Internal Photos | Internal Photos | 2026-07-28 | PDF 4.3 MB |
| External Photos | External Photos | 2026-07-28 | PDF 327.5 KB |
| Label Info & Location | ID Label/Location Info | 2026-01-29 | PDF 108.6 KB |
| Tsup | Test Setup Photos | 2026-07-28 | PDF 970.9 KB |
| Antenna Specification | Test Report | 2026-01-29 | PDF 943.9 KB |
| Antenna Specifications | Test Report | 2026-01-29 | PDF 943.9 KB |
| Test Report BT | Test Report | 2026-01-29 | PDF 3.8 MB |
| Test Report DFS WLAN 5GHz | Test Report | 2026-01-29 | PDF 995.5 KB |
| Test Report DTS BLE | Test Report | 2026-01-29 | PDF 3.2 MB |
| Test Report UNII 5,6,7,8 6XD - 1 | Test Report | 2026-01-29 | PDF 4.2 MB |
| Test Report UNII 5,6,7,8 6XD - 2 | Test Report | 2026-01-29 | PDF 4.2 MB |
| Test Report UNII 5,6,7,8 6XD - 3 | Test Report | 2026-01-29 | PDF 4.2 MB |
| Test Report UNII 5,6,7,8 6XD - 4 | Test Report | 2026-01-29 | PDF 4.3 MB |
| Test Report UNII 5,6,7,8 6XD - 5 | Test Report | 2026-01-29 | PDF 4.3 MB |
| Test Report UNII 5,6,7,8 6XD - 6 | Test Report | 2026-01-29 | PDF 4.2 MB |
| Test Report UNII 5,6,7,8 6XD - 7 | Test Report | 2026-01-29 | PDF 4.2 MB |
| Test Report UNII 5,6,7,8 6XD - 8 | Test Report | 2026-01-29 | PDF 578.8 KB |
| Test Report WLAN 2.4GHz pt. 1 | Test Report | 2026-01-29 | PDF 4.3 MB |
| Test Report WLAN 2.4GHz pt. 2 | Test Report | 2026-01-29 | PDF 4.1 MB |
| Test Report WLAN 2.4GHz pt. 3 | Test Report | 2026-01-29 | PDF 895 KB |
| UNII 2A,2C,3 WLAN 5GHz - 1 | Test Report | 2026-01-29 | PDF 4.2 MB |
| UNII 2A,2C,3 WLAN 5GHz - 10 | Test Report | 2026-01-29 | PDF 4.2 MB |
| UNII 2A,2C,3 WLAN 5GHz - 11 | Test Report | 2026-01-29 | PDF 4.2 MB |
| UNII 2A,2C,3 WLAN 5GHz - 12 | Test Report | 2026-01-29 | PDF 1 MB |
| UNII 2A,2C,3 WLAN 5GHz - 2 | Test Report | 2026-01-29 | PDF 4.2 MB |
| UNII 2A,2C,3 WLAN 5GHz - 3 | Test Report | 2026-01-29 | PDF 4.2 MB |
| UNII 2A,2C,3 WLAN 5GHz - 4 | Test Report | 2026-01-29 | PDF 4.2 MB |
| UNII 2A,2C,3 WLAN 5GHz - 5 | Test Report | 2026-01-29 | PDF 4.3 MB |
| UNII 2A,2C,3 WLAN 5GHz - 6 | Test Report | 2026-01-29 | PDF 4.3 MB |
| UNII 2A,2C,3 WLAN 5GHz - 7 | Test Report | 2026-01-29 | PDF 4.3 MB |
| UNII 2A,2C,3 WLAN 5GHz - 8 | Test Report | 2026-01-29 | PDF 4.2 MB |
| UNII 2A,2C,3 WLAN 5GHz - 9 | Test Report | 2026-01-29 | PDF 4.2 MB |
| Attestation Statement Part 2.911(d)(7) | Attestation Statements | 2026-01-29 | PDF 157.6 KB |
| Attestation Statement WLAN 6GHz | Attestation Statements | 2026-01-29 | PDF 166.3 KB |
| Attestation Statement part 2.911(d)(7) | Attestation Statements | 2026-01-29 | PDF 157.6 KB |
| Attstn Stmts Parts 2.911(d)(5)(i)&(ii) | Attestation Statements | 2026-01-29 | PDF 195.5 KB |
| Attstn Stmts parts 2.911(d)(5)(i)&(ii) | Attestation Statements | 2026-01-29 | PDF 195.5 KB |
| Declaration Letter | Attestation Statements | 2026-01-29 | PDF 186.7 KB |
| Software Configuration Declaration | Attestation Statements | 2026-01-29 | PDF 110.4 KB |
| Uniform Spreading Declaration | Attestation Statements | 2026-01-29 | PDF 117.3 KB |
| Confidentiality Request | Cover Letter(s) | 2026-01-29 | PDF 126.1 KB |
| Delegation Letter | Cover Letter(s) | 2026-01-29 | PDF 96.2 KB |
| Modular Approval | Cover Letter(s) | 2026-01-29 | PDF 116.4 KB |
| Modular Approval Letter | Cover Letter(s) | 2026-01-29 | PDF 116.4 KB |
| POA | Cover Letter(s) | 2026-01-29 | PDF 97.1 KB |
| RF Exposure | RF Exposure Info | 2026-01-29 | PDF 180.4 KB |
| RF Exposure Info Metadata only | RF Exposure Info | 2026-01-29 | PDF 180.4 KB |
| Block Diagram Metadata only | Block Diagram | PDF 118.4 KB | |
| Schematics Metadata only | Schematics | PDF 1.1 MB | |
| Schematics PCB Layout Metadata only | Schematics | PDF 559.7 KB | |
| Operational Description Metadata only | Operational Description | PDF 321.9 KB | |
| Op. Desc. Software Security Metadata only | SDR Software/Security Info. | PDF 53.4 KB | |
| Software Configuration Attestation Metadata only | SDR Software/Security Info. | PDF 110.4 KB | |
| Parts List Metadata only | Parts List/Tune Up Info | PDF 67.5 KB |
Application Information
| Application ID | lMs5qA6DQtQSBuMxTao2hA== |
|---|---|
| Final Action Date | 2026-01-29 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0027908797 |
| Model | WCH931M |
| Frequency Range | 5745-5825 MHz |
| Equipment Class | NII - Unlicensed National Information Infrastructure TX |
| Device Description | Wi-Fi/BT Transceiver |
| Responsible Party | Jenni Chun, j1.chun@samsung.com , 973-808-6375 |
| Non-Technical Contact | JENNI CHUN, Samsung Electronics Co Ltd, j1.chun@samsung.com , 973-808-6375 |
| Test Firm | Young-Joon Park, CTK Co., Ltd., YoungJoon.Park@element.com  , 82-31-8020-0620 |
| TCB Email | tei@timcoengr.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Single Modular Approval |
| 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 |
|---|---|---|
| lMs5qA6DQtQSBuMxTao2hA== | 2026-01-29 | Original Equipment |
| Td/aRqZxRNVzn0FFBus03g== | 2026-01-29 | Original Equipment |
| BV4nlZWJHhnejpQEZni2uA== | 2026-01-29 | Original Equipment |
| 6K0P1e7yPZfHT22oSfnBfw== | 2026-01-29 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application Td/aRqZxRNVzn0FFBus03g==
| 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: 01/29/2026 Application Dated: 01/29/2026 |
| Samsung Electronics Co Ltd |
| 19 Chapin Rd., Building D |
| Pine Brook, NJ 07058 |
| Attention: Jenni Chun , General Manager |
| 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: | A3LWCH931M |
| Name of Grantee: | Samsung Electronics Co Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | Wi-Fi/BT Transceiver |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC MO | 15C | 2402.0 - 2480.0 | 0.02 | ||
| CC MO | 15C | 2412.0 - 2472.0 | 0.093 |
| 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 Bandwidths of 20 and 40MHz. |
| 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 lMs5qA6DQtQSBuMxTao2hA==
| 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: 01/29/2026 Application Dated: 01/29/2026 |
| Samsung Electronics Co Ltd |
| 19 Chapin Rd., Building D |
| Pine Brook, NJ 07058 |
| Attention: Jenni Chun , General Manager |
| 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: | A3LWCH931M |
| Name of Grantee: | Samsung Electronics Co Ltd |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | Wi-Fi/BT Transceiver |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC MO | 15E | 5180.0 - 5240.0 | 0.043 | ||
| CC MO | 15E | 5260.0 - 5320.0 | 0.049 | ||
| CC MO | 15E | 5500.0 - 5720.0 | 0.041 | ||
| CC MO | 15E | 5745.0 - 5825.0 | 0.049 |
| 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 Bandwidths of 20, 40 and 80MHz. |
| 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 BV4nlZWJHhnejpQEZni2uA==
| 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: 01/29/2026 Application Dated: 01/29/2026 |
| Samsung Electronics Co Ltd |
| 19 Chapin Rd., Building D |
| Pine Brook, NJ 07058 |
| Attention: Jenni Chun , General Manager |
| 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: | A3LWCH931M |
| Name of Grantee: | Samsung Electronics Co Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Wi-Fi/BT Transceiver |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC MO | 15C | 2402.0 - 2480.0 | 0.021 |
| Single module approval. Power Output is Maximum Conducted Output. 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. |
| MO: | This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing. |
TCB Grant - Application 6K0P1e7yPZfHT22oSfnBfw==
| 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: 01/29/2026 Application Dated: 01/29/2026 |
| Samsung Electronics Co Ltd |
| 19 Chapin Rd., Building D |
| Pine Brook, NJ 07058 |
| Attention: Jenni Chun , General Manager |
| 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: | A3LWCH931M |
| Name of Grantee: | Samsung Electronics Co Ltd |
| Equipment Class: | 15E 6 GHz Low Power Indoor Client |
| Notes: | Wi-Fi/BT Transceiver |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC MO | 15E | 5955.0 - 7115.0 | 0.025 |
| Single module approval. Power Output is in eirp. 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 Bandwidths of 20,40, 80, MHz, Device cannot be used in a vehicle, ship, oil rig or airplane except above 10,000 feet. Device is restricted 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. |