Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Zyyini 5G 4G LTE Module Card. Please read this manual carefully before using the product to ensure proper functionality and to avoid any potential issues. Keep this manual for future reference.

Image: The Zyyini 5G Module Card, illustrating its support for various network standards (5G, 4G LTE, 3G WCDMA) and high data transfer speeds.
Product Features
- Wide Frequency Band: Supports 5G, 4G LTE, and 3G WCDMA network standards, offering broad frequency band coverage for faster data speeds and stable network connections.
- High Speed Data Transfer: Achieves download speeds up to 4.67Gbps and upload speeds up to 1.25Gbps under 5G networks, facilitating quick data transfer for improved efficiency.
- MIMO Technology: Incorporates 4x4 MIMO technology for enhanced signal coverage and higher speeds, ensuring a more stable network connection.
- GNSS Modem: Equipped with a Global Navigation Satellite System (GNSS) modem for accurate navigation and positioning capabilities.
- Broad Compatibility: Compatible with Windows and Linux operating systems, suitable for integration into laptops, desktops, and tablets via an M.2 interface.
Package Contents
Please verify that all items are present and in good condition upon opening the package.
- 1 x Zyyini 5G Module Card
- 1 x Mounting Screw

Image: The Zyyini 5G Module Card shown alongside a small mounting screw, representing the package contents.
Setup Instructions
The Zyyini 5G 4G LTE Module Card is designed for plug-and-play installation in compatible devices with an M.2 slot. Follow these general steps for installation:
- Prepare Your Device: Power off your laptop, desktop, or tablet and disconnect it from all power sources. For laptops and tablets, remove the back cover to access the internal components.
- Locate M.2 Slot: Identify an available M.2 slot on your device's motherboard. Refer to your device's manual for the exact location.
- Insert the Module Card: Gently align the Zyyini 5G Module Card with the M.2 slot. Insert the card at a slight angle (approximately 30 degrees) into the slot until the gold contacts are fully seated.
- Secure the Card: Push the card down until it is parallel with the motherboard. Secure it with the provided mounting screw into the designated standoff.
- Connect Antennas (if applicable): If your device requires external antennas for the M.2 module, carefully connect them to the appropriate connectors on the module card.
- Reassemble Device: Replace the back cover of your device and reconnect all power sources.
- Install Drivers: Power on your device. The operating system (Windows or Linux) should automatically detect the new hardware. If necessary, download and install the latest drivers from the Zyyini support website or your device manufacturer's website.

Image: Top view of the Zyyini 5G Module Card, highlighting the M.2 connector and the component side with various markings.

Image: Bottom view of the Zyyini 5G Module Card, displaying the gold M.2 contacts for connection to the motherboard.
Operating Instructions
Once the Zyyini 5G Module Card is successfully installed and drivers are in place, your device should recognize it as a network adapter. Follow these steps to utilize its network capabilities:
- Access Network Settings: Navigate to your operating system's network settings.
- Windows: Go to "Settings" > "Network & Internet" > "Cellular".
- Linux: Access "Network" settings through your desktop environment (e.g., GNOME, KDE).
- Insert SIM Card (if applicable): If your module card supports a SIM card for cellular data, ensure a valid and activated SIM card is inserted into the designated slot on your device or the module's adapter (if an adapter is used).
- Enable Cellular Data: In the network settings, enable the cellular data connection. Your device should automatically detect available 5G, 4G LTE, or 3G networks.
- Monitor Connection: The network status indicator in your operating system will show the connection strength and type (e.g., 5G, LTE).
- GNSS Functionality: For GNSS (Global Navigation Satellite System) features, compatible applications or services on your device will be able to utilize the module's positioning data. Ensure location services are enabled in your operating system settings.
Video: A brief overview of the Zyyini 5G Module Card, demonstrating its physical appearance and key features. This video helps in identifying the product.
Maintenance
The Zyyini 5G 4G LTE Module Card is a low-maintenance component. Adhering to these guidelines will help ensure its longevity and optimal performance:
- Keep Dry: Avoid exposing the module card to moisture or liquids, as this can cause damage to the electronic components.
- Cleanliness: If cleaning is necessary, ensure the device is powered off and disconnected. Use a soft, dry, anti-static cloth to gently wipe the surface. Do not use harsh chemicals or abrasive materials.
- Temperature: Operate and store the module within recommended temperature ranges to prevent overheating or damage from extreme cold.
- Firmware Updates: Periodically check the Zyyini support website for any available firmware updates for the module. Firmware updates can improve performance, add features, or fix bugs.
- Handle with Care: When handling the module, avoid touching the gold contacts directly to prevent static discharge or contamination.
Troubleshooting
If you encounter issues with your Zyyini 5G 4G LTE Module Card, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Module not detected by OS | Incorrect installation, missing drivers, faulty M.2 slot. |
|
| No network connection | No SIM card, inactive SIM, poor signal, network settings. |
|
| Slow data speeds | Network congestion, weak signal, outdated drivers. |
|
| GNSS not working | Location services disabled, no satellite signal. |
|
Specifications
| Feature | Detail |
|---|---|
| Item Type | 5G Module Card |
| Material | Printed Circuit Board |
| Interface Type | M.2 |
| Network Standard (5G) | n1/2/3/5/7/8/20/25/28/30/38/40/41/48/66/71/77/78/79 |
| Network Standard (4G LTE FDD) | B1/2/3/4/5/7/8/12/13/14/17/18/19/20/25/26/28/29/30/32/66/71 |
| Network Standard (4G LTE TDD) | B34/38/39/40/41/42/43/46/48 |
| Network Standard (3G WCDMA) | B1/2/4/5/8 |
| Data Rate (FR1 Sub 6 SA) | 4.67Gbps (DL) / 1.25Gbps (UL) |
| Data Rate (FR1 Sub 6 NSA) | 3.74Gbps (DL) / 835Mbps (UL) |
| Data Rate (LTE FDD) | 1.6Gbps (DL) / 211Mbps (UL) |
| Data Rate (LTE TDD) | 1.22Gbps (DL) / 90Mbps (UL) |
| Data Rate (DC HSPA+) | 42Mbps (DL) / 11.5Mbps (UL) |
| Data Rate (HSPA/HSPA+) | 21Mbps (DL) / 5.76Mbps (UL) |
| Data Rate (UMTS) | 384Kbps (DL) / 384Kbps (UL) |
| System Support | Windows, Linux |
| Applicable Devices | Laptops, Desktops, Tablets |
| Brand | Zyyini |
| Model Number | Zyyinin9zfqd2kmt |

Image: A close-up view of the Zyyini 5G Module Card, illustrating its intricate components and regulatory labels.
Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official Zyyini website. Keep your proof of purchase for any warranty claims.
If you require further assistance, please contact Zyyini customer support through their official channels.