FCC ID 2A77D-S450
4K Wireless Screen Projector (Mobile version)
by Shenzhen Green Giant Energy Technology Development Co.,Ltd
Grantee Code: 2A77D Product Code: S450
Latest application date: 2025-12-15
FCC ID Device Details
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2025-12-15 |
| 5745-5825 MHz | Original Equipment | 2025-12-15 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2025-12-15 | PDF 1.3 MB |
| Internal Photos | Internal Photos | 2025-12-15 | PDF 1.3 MB |
| External Photos | External Photos | 2025-12-15 | PDF 1,009.6 KB |
| Label and location | ID Label/Location Info | 2025-12-15 | PDF 322.7 KB |
| Test Setup photo | Test Setup Photos | 2025-12-15 | PDF 1.4 MB |
| Antenna specification | Test Report | 2025-12-15 | PDF 1,007.7 KB |
| FCC 2.4G WIFI(AX) Test Report_Part1 | Test Report | 2025-12-15 | PDF 5.9 MB |
| FCC 2.4G WIFI(AX) Test Report_Part2 | Test Report | 2025-12-15 | PDF 1.5 MB |
| FCC 5G WIFI Test Report_Part1 | Test Report | 2025-12-15 | PDF 5.5 MB |
| FCC 5G WIFI Test Report_Part2 | Test Report | 2025-12-15 | PDF 2.1 MB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2025-12-15 | PDF 123.8 KB |
| USA-LocalRepLetter_V1.1 -2A77D-S450 | Attestation Statements | 2025-12-15 | PDF 349.1 KB |
| FCC Declaration of Disable WLAN Channel 12 and 13 | Cover Letter(s) | 2025-12-15 | PDF 102 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2025-12-15 | PDF 103 KB |
| USA-NIIDeclarationLetter_V0.1 -Slaver | Cover Letter(s) | 2025-12-15 | PDF 150.4 KB |
| FCC MPE Report | RF Exposure Info | 2025-12-15 | PDF 269.8 KB |
| Block Diagram Metadata only | Block Diagram | PDF 258.8 KB | |
| Schematic Metadata only | Schematics | PDF 445.8 KB | |
| Schematic-Main Metadata only | Schematics | PDF 349.9 KB | |
| Operation Description Metadata only | Operational Description | PDF 110.2 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 76.3 KB | |
| USA-SoftwareSecurityKDB594280D02_Slaver Metadata only | SDR Software/Security Info. | PDF 546.9 KB |
Application Information
| Application ID | woHkBfnQW5VzVEZBU1VzPw== |
|---|---|
| Final Action Date | 2025-12-15 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0032720203 |
| Model | S450 |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | 4K Wireless Screen Projector (Mobile version) |
| Responsible Party | Xu Chen, chenxu@nllano.cn  , 0755-23732706 |
| Non-Technical Contact | Cindy Wu, HOORAY INDUSTRY LLC, cindynewhope@gmail.com  , (626) 910-5808 |
| Test Firm | Joise Yang, Guangdong DN Testing Co., Ltd., Joise.yang@dn-testing.com  , +86-0769-8808 7383 |
| 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 |
| 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 |
|---|---|---|
| woHkBfnQW5VzVEZBU1VzPw== | 2025-12-15 | Original Equipment |
| nrUVf5LQeD1PkocyKwPaXg== | 2025-12-15 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application woHkBfnQW5VzVEZBU1VzPw==
| 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: 12/15/2025 Application Dated: 12/15/2025 |
| Shenzhen Green Giant Energy Technology Development Co.,Ltd |
| Room 203,Building B,Minle Science Industrial Park, |
| Minzhi St.,LonghuaDist. |
| Shenzhen, China |
| Attention: Xu Chen , |
| 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: | 2A77D-S450 |
| Name of Grantee: | Shenzhen Green Giant Energy Technology Development Co.,Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | 4K Wireless Screen Projector (Mobile version) |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2412.0 - 2462.0 | 0.0009 |
| Output Power listed is average conducted. This device supports 802.11b, 802.11g and 802.11n with a 20 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. |
TCB Grant - Application nrUVf5LQeD1PkocyKwPaXg==
| 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: 12/15/2025 Application Dated: 12/15/2025 |
| Shenzhen Green Giant Energy Technology Development Co.,Ltd |
| Room 203,Building B,Minle Science Industrial Park, |
| Minzhi St.,LonghuaDist. |
| Shenzhen, China |
| Attention: Xu Chen , |
| 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: | 2A77D-S450 |
| Name of Grantee: | Shenzhen Green Giant Energy Technology Development Co.,Ltd |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | 4K Wireless Screen Projector (Mobile version) |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5180.0 - 5240.0 | 0.001 | ||
| CC | 15E | 5745.0 - 5825.0 | 0.0009 |
| Output Power listed is average conducted. This device supports 802.11a and 802.11n with a 20 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. |