1. Киришүү
This manual provides detailed instructions for the installation, operation, and maintenance of your NEWFAST WiFi 6E USB Adapter U357. This device is designed to upgrade your desktop PC's wireless capabilities, offering tri-band connectivity (2.4 GHz, 5 GHz, and 6 GHz) with WiFi 6E technology for enhanced speed, lower latency, and improved network efficiency. Please read this manual thoroughly before using the product.

Image 1.1: The NEWFAST WiFi 6E USB Adapter U357, showcasing its design with four adjustable antennas.
2. Пакеттин мазмуну
Пакетте бардык буюмдар бар экенин текшериңиз:
- 1 x NEWFAST AXE5400 USB WiFi Adapter for Desktop PC (Model: U357)
- 1 x Type-C to USB 3.0 Interface Data Cable
- 1 x User Manual
3. Продукт бүтүп калдыview
The NEWFAST U357 is an AXE5400 Tri-Band WiFi 6E USB adapter designed for high-performance wireless connectivity. It supports the latest WiFi 6E standard, offering significant improvements in speed, efficiency, and security.
Негизги өзгөчөлүктөрү:
- Үч диапазондуу байланыш: Operates on 2.4 GHz, 5 GHz, and 6 GHz bands, providing a combined speed of up to 5400 Mbps (2402 Mbps on 6 GHz, 2402 Mbps on 5 GHz, and 574 Mbps on 2.4 GHz).
- WiFi 6E Technology: Utilizes the 6 GHz band for dedicated, interference-free connections, offering wider channels and lower latency.
- Өркүндөтүлгөн коопсуздук: Supports WPA3-SAE encryption for enhanced network protection against cyber threats.
- Superior Signal Reception: Equipped with four external adjustable antennas and Beamforming technology to focus signals for a more reliable connection.
- USB 3.0 интерфейси: Ensures high-speed data transfer, up to 10 times faster than USB 2.0.
- Кеңири шайкештик: Supports Windows 11 and Windows 10 operating systems.
- AP режими: Allows the adapter to function as a Wi-Fi hotspot for other devices.

Image 3.1: Visual representation of the adapter's tri-band speed capabilities.

Image 3.2: Explanation of WiFi 6E advantages, particularly the 6 GHz band.

Сүрөт 3.3: Бүттүview of WPA3 security features protecting your network.

Сүрөт 3.4: Детальдуу view of the adapter's features, design, and connectivity options.
4. Орнотуу жана орнотуу
Follow these steps to install your NEWFAST WiFi 6E USB Adapter U357:
4.1 Системалык талаптар
- Иштетүү системасы: Windows 11 же Windows 10
- Available USB 3.0 port (for optimal performance)

Image 4.1: The adapter supports both Windows 10 and Windows 11.
4.2 Орнотуу кадамдары
- Адаптерди туташтыруу: Plug the NEWFAST WiFi 6E USB Adapter into an available USB 3.0 port on your desktop PC using the provided Type-C to USB 3.0 cable. Ensure the connection is secure.
- Драйверди орнотуу: The adapter features a built-in driver. Upon connecting, your Windows system should automatically detect the device and initiate driver installation. If the driver does not install automatically, you may need to manually install it. The driver can typically be found on the NEWFAST official website or on a provided mini-CD (if included).
- Wi-Fi'га туташуу: Once the driver is installed, navigate to your computer's network settings. Select the desired Wi-Fi network (2.4 GHz, 5 GHz, or 6 GHz) and enter the password to connect.

Image 4.2: Visual guide for the three main steps of adapter installation.
Эскертүү:
- To utilize the 6 GHz WiFi band, your operating system must be Windows 11.
- Windows 10 supports the 2.4 GHz and 5 GHz bands only.
5. Адаптерди иштетүү
5.1 Receiving Mode (Client Mode)
In Receiving Mode, the adapter connects your PC to an existing Wi-Fi network. After successful driver installation, the adapter will appear as a wireless network device in your system's network settings. You can then select and connect to available Wi-Fi networks as you would with any other wireless adapter.
5.2 Soft AP Mode (Access Point Mode)
The Soft AP Mode allows your NEWFAST U357 adapter to create a Wi-Fi hotspot, sharing your PC's internet connection with other wireless devices (e.g., smartphones, tablets). This feature is useful when you have a wired internet connection on your PC and want to share it wirelessly.
- Ensure your PC has an active internet connection (e.g., via Ethernet).
- Access your Windows network settings (e.g., 'Mobile hotspot' in Windows 10/11).
- Мобилдик хотспот функциясын иштетип, тармактын атын (SSID) жана сырсөзүн конфигурациялаңыз.
- Other devices can now connect to the Wi-Fi hotspot created by your adapter.

Image 5.1: Depiction of Receiving Mode and Soft AP Mode functionalities.
5.3 Band Selection and Usage
The adapter supports three frequency bands, each suitable for different uses:
- 2.4 ГГц диапазону: Offers wider coverage and better penetration through walls. Ideal for general web browsing, email, and devices further away from the router.
- 5 ГГц диапазону: Provides faster speeds and lower interference in closer proximity to the router. Suitable for dedicated gaming and high-definition streaming.
- 6 GHz Band (Windows 11 only): The newest band, offering the fastest speeds, lowest latency, and minimal interference due to less congestion. Best for 4K/8K video streaming, virtual reality, and competitive online gaming.

Image 5.2: Recommended usage for each Wi-Fi frequency band.
6. Техникалык тейлөө
To ensure optimal performance and longevity of your NEWFAST WiFi 6E USB Adapter U357, follow these maintenance guidelines:
- Тазалыкты сактоо: Regularly wipe the adapter with a soft, dry cloth to remove dust. Avoid using liquid cleaners or solvents.
- Туура желдетүү: Ensure the adapter is placed in an area with adequate airflow to prevent overheating. The adapter features a dissipate heat design for efficient cooling.
- Физикалык зыянды болтурбоо: Handle the adapter carefully. Do not drop it or expose it to excessive force.
- Экологиялык шарттар: Keep the adapter away from extreme temperatures, direct sunlight, and high humidity.
- Микропрограмма/драйвер жаңыртуулары: Periodically check the NEWFAST official website for updated drivers or firmware to ensure compatibility and performance improvements.
7. Кыйынчылыктарды
If you encounter issues with your NEWFAST WiFi 6E USB Adapter U357, refer to the following common problems and solutions:
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| No Wi-Fi connection or adapter not detected. |
|
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| Slow Wi-Fi speed or unstable connection. |
|
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| Cannot connect to 6 GHz band. |
|
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| Soft AP mode not working. |
|
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8. Техникалык шарттар
| Өзгөчөлүк | Деталь |
|---|---|
| Модел | U357 |
| Бренд | NEWFAST |
| Зымсыз стандарт | IEEE 802.11ax/ac/a/b/g/n (WiFi 6E) |
| Маалыматтарды өткөрүү ылдамдыгы | Up to 5400 Mbps (2402 Mbps @ 6 GHz, 2402 Mbps @ 5 GHz, 574 Mbps @ 2.4 GHz) |
| Жыштык тилкелери | 2.4 ГГц, 5 ГГц, 6 ГГц (үч диапазондуу) |
| Аппараттык интерфейс | USB 3.0 (USB 2.0 менен шайкеш келет) |
| Антенналар | 4 External Adjustable Antennas |
| Коопсуздук шифрлөө | WPA3-SAE |
| Шайкеш түзмөктөр | Үстөл компьютерлери |
| Операциялык системаны колдоо | Windows 11, Windows 10 |
| Продукциянын өлчөмдөрү | 4.13 x 1.26 x 4.13 дюйм |
| Элемент Салмагы | 6.4 унция |
| Өзгөчөлүктөр | Beamforming, MU-MIMO, OFDMA, Soft AP Mode, Dissipate Heat Design |
9. Кепилдик жана колдоо
For warranty information and technical support, please refer to the documentation included with your product or visit the official NEWFAST website. You can also contact NEWFAST customer service through their official channels for assistance with product inquiries, troubleshooting, or warranty claims.
Кошумча колдоо жана продукт жөнүндө маалымат алуу үчүн, төмөнкү дарекке кириңиз NEWFAST Store on Amazon.





