1. Product Overview
The ASHATA RTL8821CU 600M USB Wi-Fi & Bluetooth Adapter is a versatile device designed to provide wireless network and Bluetooth connectivity to your computer. It supports dual-band Wi-Fi (2.4GHz and 5.8GHz) for flexible and stable connections, and features an external 3.5dBi antenna for enhanced signal reception and wider coverage. This adapter also includes an analog AP function, allowing you to share your internet connection wirelessly.
Figure 1: ASHATA Network Adapter demonstrating dual-band Wi-Fi connectivity to various devices. This image illustrates the ASHATA Network Adapter's capability to connect to both 2.4GHz and 5.8GHz Wi-Fi networks, showing its connection to a tablet, smartphone, and laptop.
2. Package Contents
Please verify that all items are present in your package:
- 1 x ASHATA RTL8821CU USB Wi-Fi & Bluetooth Adapter
- 1 x Installation & Manual CD (may vary by package)
Figure 2: Installation and Manual CD for the ASHATA Network Adapter. A compact disc labeled 'INSTALLATION & MANUAL CD Drive-2018.8', indicating it contains necessary drivers and the user manual for the network adapter.
3. Setup and Installation
Follow these steps to install your ASHATA Network Adapter:
- Insert the Adapter: Plug the ASHATA USB Wi-Fi & Bluetooth Adapter into an available USB port on your desktop or laptop computer.
- Install Drivers:
- Using the CD: If your computer has a CD-ROM drive, insert the provided Installation & Manual CD. Follow the on-screen instructions to install the necessary drivers.
- Downloading Drivers: If your computer does not have a CD-ROM drive or if you prefer the latest drivers, visit the ASHATA official website (if available) and download the drivers for model ASHATAo8x437vudm.
- Restart Computer (Optional): After driver installation, it is recommended to restart your computer to ensure all changes take effect.
- Adjust Antenna: Rotate the external 3.5dBi antenna to an optimal angle for the best signal reception in your environment.
Figure 3: ASHATA Network Adapter connected to a laptop, demonstrating connectivity to other wireless devices. The image displays the ASHATA Network Adapter plugged into a laptop, facilitating connection to other wireless network devices like a tablet and smartphone.
4. Operating Instructions
4.1. Connecting to Wi-Fi
- Ensure the adapter is properly installed and recognized by your operating system.
- Open your computer's Wi-Fi settings.
- Select your desired Wi-Fi network from the list of available networks. The adapter supports both 2.4GHz and 5.8GHz bands, allowing you to choose the best frequency for your environment.
- Enter the network password if prompted and click 'Connect'.
4.2. Using Bluetooth Functionality
- Ensure Bluetooth drivers are installed.
- Go to your computer's Bluetooth settings.
- Turn on Bluetooth and make your computer discoverable.
- Pair with your desired Bluetooth device (e.g., headphones, mouse, keyboard).
4.3. Analog AP Function (Wi-Fi Sharing)
The adapter can function as an Access Point (AP) to share your computer's internet connection with other wireless devices.
- Ensure your computer is connected to the internet via a wired connection or another Wi-Fi adapter.
- Access the adapter's utility software or your operating system's mobile hotspot settings.
- Enable the AP mode or mobile hotspot feature.
- Configure the network name (SSID) and password for your new Wi-Fi hotspot.
- Other devices can now connect to this new Wi-Fi network.
Figure 4: ASHATA Network Adapter demonstrating AP function for Wi-Fi sharing. This image shows the network adapter's ability to function as an Access Point (AP), allowing it to share an internet connection wirelessly with other devices.
5. Specifications
| Feature | Detail |
|---|---|
| Item Type | Network Card |
| Model Number | ASHATAo8x437vudm |
| Brand | ASHATA |
| Hardware Interface | Bluetooth, USB |
| Compatible Devices | Desktop, Laptop |
| Data Link Protocol | Bluetooth, USB |
| Wi-Fi Data Rate (802.11b) | 1, 2, 5.5, 11 Mbps |
| Wi-Fi Data Rate (802.11a/g) | 6, 9, 12, 18, 24, 36, 48, 54 Mbps |
| Wi-Fi Data Rate (802.11n) | HT20: up to 144.4Mbps, HT40: up to 300Mbps |
| Wi-Fi Data Rate (802.11ac) | VHT20: up to 173.3Mbps, VHT40: up to 239Mbps, VHT80: up to 433.3Mbps |
| Bluetooth Data Rate | 1Mbps (Basic Rate), 2.3 Mbps (Enhanced Data Rate) |
| Receive Sensitivity | 96dBn (Min) |
| Transmitting Power | 18.5dBm (maximum) |
| Power | 5V ± 0.2V |
| Power Consumption (Standby) | 192mA @ 5V (maximum) |
| Power Consumption (TX mode) | 908 mA @ 5V (maximum) |
| Working Temperature | 10°C to +50°C |
| Storage Temperature | 20°C to +50°C |
| Item Weight | 0.04 Kilograms |
6. Maintenance and Care
To ensure the longevity and optimal performance of your ASHATA Network Adapter, please follow these guidelines:
- Keep Dry: Avoid exposing the adapter to moisture or humidity.
- Clean Gently: Use a soft, dry cloth to clean the adapter. Do not use liquid cleaners or aerosols.
- Avoid Extreme Temperatures: Do not expose the adapter to excessively high or low temperatures.
- Handle with Care: Avoid dropping or subjecting the adapter to strong impacts.
- Proper Storage: When not in use for extended periods, store the adapter in a cool, dry place.
7. Troubleshooting
If you encounter issues with your ASHATA Network Adapter, refer to the following common problems and solutions:
- No Wi-Fi or Bluetooth Connection:
- Ensure the adapter is securely plugged into a working USB port.
- Verify that the drivers are correctly installed. Reinstall if necessary.
- Check your computer's Wi-Fi and Bluetooth settings to ensure they are enabled.
- Try plugging the adapter into a different USB port.
- Slow Wi-Fi Speed:
- Ensure you are connected to the appropriate Wi-Fi band (5.8GHz generally offers faster speeds if your router supports it and you are close).
- Adjust the antenna angle for better signal reception.
- Reduce interference from other electronic devices.
- Update your router's firmware and adapter drivers to the latest versions.
- Adapter Not Recognized by Computer:
- Ensure the adapter is fully inserted into the USB port.
- Try a different USB port.
- Check Device Manager (Windows) or System Information (macOS) to see if the device is listed, even with an error.
- Reinstall the drivers.
8. Warranty and Support
ASHATA products are designed for reliability and performance. For specific warranty details, please refer to the warranty card included with your purchase or visit the official ASHATA website. If you require technical assistance or have questions not covered in this manual, please contact ASHATA customer support through their official channels.
Contact Information:
- Website: ASHATA Store on Amazon (for general product information)
- Email: Refer to product packaging or official website for support email.
- Phone: Refer to product packaging or official website for support phone number.