1. Product Overview
The Prolink DL-7203E is a portable LTE Mobile Wi-Fi device designed to provide high-speed wireless connectivity on the go. It functions as a 4G router, allowing multiple devices to connect to the internet via a SIM card. Additionally, it features a built-in power bank function for charging other devices.
Figure 1.1: Prolink DL-7203E LTE Mobile Wi-Fi device.
Figure 1.2: Key features and capabilities of the Prolink DL-7203E.
Package Contents
- Prolink DL-7203E LTE Mobile Wi-Fi Device
- USB Charging Cable
- Quick Start Guide (not included in this manual)
2. Device Layout
Familiarize yourself with the various components and ports of your DL-7203E device.
Figure 2.1: Front and side view of the Prolink DL-7203E with labeled components.
- LCD Screen Indicator: Displays signal strength, battery level, Wi-Fi status, and network information.
- SIM Card Slot: Insert your Nano SIM card here.
- RJ45 LAN/WAN Port: For wired Ethernet connection to devices or an existing network.
- Charging Port (USB-C): Connect the provided USB cable for charging the device.
- USB Type-A Port (Output): Used for the power bank function to charge other devices.
- Power Button: Press and hold to power on/off the device.
3. Setup Guide
3.1 Inserting the SIM Card
- Ensure the device is powered off.
- Locate the SIM card slot on the side of the device.
- Carefully insert your Nano SIM card into the slot until it clicks into place. Ensure the correct orientation as indicated on the device.
- Close the SIM card slot cover if applicable.
3.2 Charging the Device
- Connect the provided USB charging cable to the USB-C charging port on the DL-7203E.
- Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
- The battery indicator on the LCD screen will show charging status. A full charge provides up to 25 hours of connectivity.
3.3 Powering On/Off
- To Power On: Press and hold the Power button until the LCD screen lights up.
- To Power Off: Press and hold the Power button until the device shuts down.
Figure 3.1: The Auto APN feature enables plug-and-play functionality in over 185 countries.
4. Operation
4.1 Connecting Devices via Wi-Fi
- Ensure the DL-7203E is powered on and has an active internet connection (indicated by the signal icon on the LCD).
- On your Wi-Fi enabled device (smartphone, laptop, tablet), search for available Wi-Fi networks.
- Select the SSID (network name) displayed on the DL-7203E's LCD screen.
- Enter the Wi-Fi Key (password) also displayed on the LCD screen.
- Your device should now be connected to the internet. The DL-7203E supports up to 16 Wi-Fi devices simultaneously.
Figure 4.1: Share internet connection with up to 16 devices simultaneously.
4.2 Using as a Power Bank
The DL-7203E can double as a portable power bank to charge your mobile devices.
- Connect your mobile device's charging cable to the USB Type-A output port on the DL-7203E.
- The DL-7203E will begin charging your device.
Figure 4.2: The DL-7203E can charge your devices on the go.
4.3 Connecting via LAN/WAN Port
The RJ45 port allows for wired connectivity.
- LAN Mode: Connect a device (e.g., laptop, desktop) to the DL-7203E via an Ethernet cable for a wired internet connection.
- WAN Mode: Connect the DL-7203E to an existing wired network (e.g., hotel Ethernet) to share that internet connection wirelessly.
Figure 4.3: Utilize the dedicated Ethernet port for secured wired network connections.
4.4 File Sharing via MicroSD Card
The built-in microSD card slot supports up to 64GB, allowing for easy file sharing.
- Insert a microSD card into the designated slot.
- Access the shared content wirelessly from connected devices through the device's web interface or the mProMifi App.
Figure 4.4: Share media content wirelessly across your network via a microSD card.
4.5 Using the mProMifi App
For enhanced control and monitoring, download the mProMifi App (available for devices with P/N: LTE-DL7203E-E, S/N starting from "265201" or later). The app allows you to manage settings, view connected devices, and monitor data usage.
5. Key Features
- Fast Connection: Enjoy high-speed connectivity of up to 150Mbps via LTE and up to 300Mbps via Wi-Fi hotspot.
- Extended Battery Life: Equipped with a 5200mAh (or 6000mAh for updated models) battery, providing up to 25 hours of continuous connectivity.
- Multi-user Access: Share your internet connection with up to 16 Wi-Fi enabled devices simultaneously.
- Travel-Friendly: Supports automatic APN configuration for over 185 countries, making it ideal for international travel.
- Power Bank Function: Charge your smartphones and other USB-powered devices on the go.
- Ethernet Port: Provides a reliable wired connection for devices without wireless capabilities or for sharing an existing wired network.
- MicroSD Card Slot: Supports up to 64GB for convenient wireless file sharing.
Figure 5.1: Enjoy extended connectivity with up to 25 hours of battery life.
Figure 5.2: The compact design allows you to stay connected wherever you are.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Avoid liquid cleaners or aerosols.
- Battery Care: To prolong battery life, avoid exposing the device to extreme temperatures. If storing for a long period, charge the battery to about 50% before storage.
- Storage: Store the device in a cool, dry place away from direct sunlight and moisture.
7. Troubleshooting
Common Issues and Solutions
| Problem | Possible Cause | Solution |
|---|---|---|
| No Internet Connection | No SIM card inserted, SIM card not activated, poor signal, incorrect APN settings. | Ensure SIM is correctly inserted and active. Move to an area with better signal. The device has Auto APN, but if issues persist, check network provider settings. |
| Cannot Connect to Wi-Fi | Incorrect Wi-Fi password, device too far from router, Wi-Fi disabled. | Verify Wi-Fi password. Move closer to the DL-7203E. Ensure Wi-Fi is enabled on the device. |
| Battery Not Charging / Draining Quickly | Faulty cable/adapter, high usage, old battery. | Try a different USB cable and power adapter. Reduce the number of connected devices or usage time. Contact support if battery life significantly degrades. |
| Device Freezes / Unresponsive | Software glitch. | Perform a soft reset by holding the power button until the device restarts. If persistent, a factory reset might be needed (refer to advanced settings via web interface). |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | DL-7203E (LTE-DL7203E) |
| Brand | Prolink |
| Wireless Communication | 4G LTE, Wi-Fi (802.11ac) |
| Wi-Fi Speed | Up to 300Mbps |
| LTE Speed | Up to 150Mbps |
| Battery Capacity | 5200mAh (updated models 6000mAh) |
| Battery Life | Up to 25 hours |
| Max Wi-Fi Users | 16 |
| SIM Card Type | Nano SIM |
| Ports | RJ45 LAN/WAN, USB-C Charging, USB Type-A Output |
| MicroSD Support | Up to 64GB |
| Dimensions (L x W x H) | 15.4 x 9.2 x 4.4 cm |
| Weight | 161 g |
| Color | Black |
9. Warranty and Support
Prolink products come with a local warranty and technical support. For any inquiries or assistance, please contact Prolink support.
Figure 9.1: Prolink Official Store support information.
- Email Support: support@prolink2u.com
- Phone Support: (65) 6357 0666
- For the most up-to-date support information, please visit the official Prolink website or your regional Prolink support page.
