FCC ID 2AWJK-S311
3x1 BYOM SWITCHER WITH WIRELESS PRESENTATION
by Grastron Technology CO., LTD
Grantee Code: 2AWJK Product Code: S311
Latest application date: 2025-08-28
FCC ID Device Details
| FCC ID | 2AWJK-S311 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AWJK |
| Product Code | S311 |
| Applicant Business | Grastron Technology CO., LTD 🇨🇳 |
| Related Domains |  grastron.com |
| Equipment Class | 3x1 BYOM SWITCHER WITH WIRELESS PRESENTATION |
| Test Firm | Guangdong Asia Hongke Test Technology Limited |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2025-08-28 |
| 5180-5240 MHz | Original Equipment | 2025-08-28 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual_Part1 | Users Manual | 2025-08-28 | PDF 5.9 MB |
| User Manual_Part2 | Users Manual | 2025-08-28 | PDF 2.5 MB |
| Internal photo | Internal Photos | 2025-08-28 | PDF 1.3 MB |
| External photo | External Photos | 2025-08-28 | PDF 836.2 KB |
| Label location | ID Label/Location Info | 2025-08-28 | PDF 175.6 KB |
| Test Setup Photos | Test Setup Photos | 2025-08-28 | PDF 743.4 KB |
| AiTSZ-250718016FW1_FCC Test Report_2.4G WIFI-Module1 | Test Report | 2025-08-28 | PDF 3.3 MB |
| AiTSZ-250718016FW2_FCC Test Report_2.4G WIFI-Module2 | Test Report | 2025-08-28 | PDF 3.3 MB |
| AiTSZ-250718016FW3_FCC Test Report_5G WIFI-Module1 | Test Report | 2025-08-28 | PDF 1.7 MB |
| AiTSZ-250718016FW4_FCC Test Report_5G WIFI-Module2 | Test Report | 2025-08-28 | PDF 1.7 MB |
| Antenna Specification | Test Report | 2025-08-28 | PDF 2.7 MB |
| Appendix RF test data for 5.2G WIFI-Module1_Part1 | Test Report | 2025-08-28 | PDF 4.9 MB |
| Appendix RF test data for 5.2G WIFI-Module1_Part2 | Test Report | 2025-08-28 | PDF 2.8 MB |
| Appendix RF test data for 5.2G WIFI-Module2 | Test Report | 2025-08-28 | PDF 5.6 MB |
| Appendix RF test data for 5.8G WIFI-Module1_Part1 | Test Report | 2025-08-28 | PDF 5.9 MB |
| Appendix RF test data for 5.8G WIFI-Module1_Part2 | Test Report | 2025-08-28 | PDF 3.8 MB |
| Appendix RF test data for 5.8G WIFI-Module2 | Test Report | 2025-08-28 | PDF 5.6 MB |
| Appendix RF test data for WIFI2.4G-Module1_Part1 | Test Report | 2025-08-28 | PDF 5.9 MB |
| Appendix RF test data for WIFI2.4G-Module1_Part2 | Test Report | 2025-08-28 | PDF 5.4 MB |
| Appendix RF test data for WIFI2.4G-Module2_Part1 | Test Report | 2025-08-28 | PDF 4.9 MB |
| Appendix RF test data for WIFI2.4G-Module2_Part2 | Test Report | 2025-08-28 | PDF 1.4 MB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2025-08-28 | PDF 231.8 KB |
| Us agent-2AWJK-S311 | Attestation Statements | 2025-08-28 | PDF 533.4 KB |
| Declaration Letter of Model Difference | Cover Letter(s) | 2025-08-28 | PDF 253.7 KB |
| FCC Declaration of Disable WLAN Channel 12 and 13 | Cover Letter(s) | 2025-08-28 | PDF 204.6 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2025-08-28 | PDF 237.8 KB |
| USA-NIIDeclarationLetter_V0.1 -Slaver | Cover Letter(s) | 2025-08-28 | PDF 268.6 KB |
| AiTSZ-250718016FW5_FCC RF EXPOSURE 20cm | RF Exposure Info | 2025-08-28 | PDF 428.1 KB |
| AiTSZ-250718016FW5_FCC RF EXPOSURE 20cm | RF Exposure Info | 2025-08-28 | PDF 692.8 KB |
| Block Diagram Metadata only | Block Diagram | PDF 1.6 MB | |
| SCH-8811CU2 Module Metadata only | Schematics | PDF 21.7 KB | |
| SCH-RTL_8822CS Metadata only | Schematics | PDF 102.5 KB | |
| Schematic Diagram Metadata only | Schematics | PDF 1.5 MB | |
| Operation Description Metadata only | Operational Description | PDF 458.2 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 88.2 KB | |
| USA-SoftwareSecurityKDB594280D02_Slaver Metadata only | SDR Software/Security Info. | PDF 650.6 KB |
Application Information
| Application ID | vnsot4tKZ29PM06oUb0ekQ== |
|---|---|
| Final Action Date | 2025-08-28 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0029621059 |
| Model | S311 |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | 3x1 BYOM SWITCHER WITH WIRELESS PRESENTATION |
| Responsible Party | Haohang Hou, General Manager, Sail.hou@grastron.com , 86 0755-21610629 |
| Test Firm | Coin Tang, Guangdong Asia Hongke Test Technology Limited, coin.tang@aitek.org.cn  , +86 755 23096763 |
| TCB Email | o.kneip@kl-certification.de  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Output Power listed is peak conducted. This device supports 2*2 MIMO and supports 802.11b, 802.11g and 802.11n with a 20 MHz and 40 MHz bandwidth mode. RF exposure compliance is addressed for 1.1310 and 2.1091 MPE limits. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End Users must be provided with transmitter operation conditions for satisfying RF exposure compliance. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| vnsot4tKZ29PM06oUb0ekQ== | 2025-08-28 | Original Equipment |
| WxANMa8xIRZCSN0svadV6Q== | 2025-08-28 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application WxANMa8xIRZCSN0svadV6Q==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 08/28/2025 Application Dated: 08/28/2025 |
| Grastron Technology CO., LTD |
| 401 Building#B Dingxin Science and Technology Park |
| ,Honglangbei #2 Road,Xin'an street,Baoan district, |
| Shenzhen, Guangdong Province, 518101 China |
| Attention: Haohang Hou , 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: | 2AWJK-S311 |
| Name of Grantee: | Grastron Technology CO., LTD |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | 3x1 BYOM SWITCHER WITH WIRELESS PRESENTATION |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC MO | 15E | 5180.0 - 5240.0 | 0.0109 | ||
| CC MO | 15E | 5745.0 - 5825.0 | 0.0183 |
| Output power listed is average conducted. This device supports 2*2 MIMO and supports 802.11a, 802.11n and 802.11ac with a 20 MHz, 40 MHz and 80 MHz bandwidth mode. RF exposure compliance is addressed for 1.1310 and 2.1091 MPE limits. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End Users must be provided with transmitter operation conditions for satisfying RF exposure compliance. |
| 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 vnsot4tKZ29PM06oUb0ekQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 08/28/2025 Application Dated: 08/28/2025 |
| Grastron Technology CO., LTD |
| 401 Building#B Dingxin Science and Technology Park |
| ,Honglangbei #2 Road,Xin'an street,Baoan district, |
| Shenzhen, Guangdong Province, 518101 China |
| Attention: Haohang Hou , 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: | 2AWJK-S311 |
| Name of Grantee: | Grastron Technology CO., LTD |
| Equipment Class: | Digital Transmission System |
| Notes: | 3x1 BYOM SWITCHER WITH WIRELESS PRESENTATION |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC MO | 15C | 2412.0 - 2462.0 | 0.0476 |
| Output Power listed is peak conducted. This device supports 2*2 MIMO and supports 802.11b, 802.11g and 802.11n with a 20 MHz and 40 MHz bandwidth mode. RF exposure compliance is addressed for 1.1310 and 2.1091 MPE limits. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End Users must be provided with transmitter operation conditions for satisfying RF exposure compliance. |
| 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. |