1. Introduction
The DL1-WLTE-T series is a versatile 4G LTE remote controller designed for managing electrical equipment remotely. It features a 30A relay output, temperature monitoring, and various control methods including SMS, dial, mobile application, and web interface. The TVC version additionally includes a power failure alarm function.



2. Setup and Installation
2.1 Package Contents
- DL1-WLTE-T / DL1-WLTE-TVC Remote Controller
- Antenna
- USB Cable (for power adapter, if included)
- User Manual (printed or digital)
2.2 Component Identification

2.3 Initial Setup
- SIM Card Installation: Insert a local 4G LTE Micro SIM card into the designated SIM card slot. Ensure the SIM card is active and has sufficient credit/data.
- Antenna Connection: Connect the provided antenna to the Standard SMA interface labeled 'ANT'.
- Power Connection: Connect the DC12V 1A power adapter to the 'Power in' port (5.5/2.1mm, DC 7-36V).
- Sensor Connection (Optional): If using temperature monitoring, connect the temperature sensor to the 'Temp' sensor port.
2.4 Installation Methods
The controller supports two primary installation methods:
- DIN35mm Industrial Rail Installation: The device is designed to snap onto a standard DIN35mm rail.
- Screw Installation: The device can be securely mounted using screws through the designated mounting holes.

3. Operating Instructions
3.1 Control Methods
The DL1-WLTE-T controller offers multiple ways to control your connected equipment:
3.1.1 Dial Control
You can control the device by making a call to the SIM card number inserted in the controller. The controller will recognize authorized numbers and execute commands.

3.1.2 SMS Control
Send specific SMS commands to the controller's SIM card number to control its functions. The controller will respond with status messages.

3.1.3 App Control
Download the 'WLTE Control' application for convenient, intelligent, and handy control of your equipment. The app communicates with the controller via 4G internet access.

3.1.4 Web Control
Centralized control of equipment is possible via a web browser on a PC. This allows for comprehensive management and monitoring.

3.2 Key Functions
3.2.1 30A Relay Output
The controller features a high-power 30A relay output, capable of directly driving AC motors below 3KW and other high-power equipment.

3.2.2 Temperature Control
Monitor real-time temperature. The relay switch can be triggered ON/OFF when the temperature reaches a set upper or lower limit. Temperature alarm messages can also be pushed.

3.2.3 Timing Control
Set up to 24 groups of timing controls for scheduled operations, either continuously or on specific days.

3.2.4 Power Failure Alert (DL1-WLTE-TVC version only)
The TVC version provides SMS, APP, or Email alerts upon power failure or power restoration, ensuring you are informed of critical power status changes.

3.2.5 Email Pushing
Receive notification emails when the monitored temperature reaches a preset value.

3.2.6 App Notifications
Receive push notifications directly on your mobile device to stay informed about the device's status, including security alerts, temperature changes, and power events.

3.2.7 Short-time Trigger Switch
This function allows for a settable trigger time of 1 to 9 seconds, ideal for controlling electric gates or garage doors, enabling quick opening with a tap on your phone.

3.3 Wiring Diagrams
Proper wiring is crucial for safe and effective operation. Refer to the following diagrams for common application scenarios:

3.4 Application Scenarios
The DL1-WLTE-T controller is suitable for a wide range of applications:

4. Specifications
Detailed parameters for the DL1-WLTE-T and DL1-WLTE-TVC controllers:

| Parameter | Description |
|---|---|
| DC Power Supply | Standard adapter DC12V 1A |
| Power Consumption | Standby: 12V/50mA, Working Max: 12V/200mA |
| 4G Frequency (LTE-FDD) | B1/B3/B5/B7/B8/B20 |
| GSM Frequency | 900/1800mhz |
| SIM Interface | Micro SIM card |
| Antenna Interface | Standard SMA interface |
| Temperature Sensor Interface | 1 sensor port |
| Input Interface | 2 input |
| Temperature Detection Range | -40℃ to 120℃ |
| Relay Output | 1 channel, 30A/30VDC, 30A/250VAC, 30A/125VAC |
| Output Logic | Normally open and normally closed |
| Shell Size | 115mm x 90mm x 40mm |
| Box Size | 150mm x 150mm x 50mm |
| DL1-WLTE-T Gross Weight | 260g |
| DL1-WLTE-T Net Weight | 150g |
| DL1-WLTE-TVC Gross Weight | 270g |
| DL1-WLTE-TVC Net Weight | 160g |
5. Maintenance
To ensure the longevity and optimal performance of your DL1-WLTE-T controller, follow these maintenance guidelines:
- Keep Clean: Regularly clean the device exterior with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Check Connections: Periodically inspect all wiring connections (power, relay, sensors, antenna) to ensure they are secure and free from corrosion.
- SIM Card: Ensure the SIM card is properly seated and remains active with sufficient balance/data for continuous operation.
- Environmental Conditions: Operate the device within its specified temperature and humidity ranges. Avoid exposure to extreme conditions, direct sunlight, or moisture.
- Firmware Updates: Check the manufacturer's website or app for any available firmware updates to ensure you have the latest features and security patches.
6. Troubleshooting
If you encounter issues with your DL1-WLTE-T controller, consider the following:
- No Power: Verify the power adapter is correctly connected and supplying DC12V. Check the power outlet.
- No Network Signal: Ensure the SIM card is correctly inserted and active. Check the antenna connection. If indoors, try relocating the device to an area with better 4G signal reception.
- SMS/Call Control Not Working: Confirm the SIM card has credit/data. Ensure the controlling phone number is authorized in the device settings. Check for correct SMS command syntax.
- App/Web Control Not Working: Verify the device has a stable 4G internet connection. Ensure your mobile device or PC has internet access. Check login credentials for the app/web interface.
- Relay Not Activating: Check the wiring to the connected equipment. Ensure the command sent is correct and the relay output is enabled.
- Temperature Alarms Not Received: Verify the temperature sensor is correctly connected. Check the temperature thresholds and alarm settings in the app/web interface. Ensure notification settings (SMS/Email/App) are configured correctly.
- Power Failure Alert (TVC version) Not Working: Ensure the TVC version is being used. Verify the power failure alert feature is enabled and notification methods are configured.
If problems persist, consult the official product support or contact the seller.
7. User Tips
- Optimize Temperature Control: Utilize the temperature sensor linkage to automate heating or cooling systems, saving energy and maintaining desired conditions.
- Schedule Operations: Take advantage of the timing control feature to automate routine tasks, such as turning on lights or pumps at specific times.
- Remote Monitoring: Regularly check device status and sensor readings via the app or web interface for proactive management.
- Security: For critical applications, ensure your SIM card is protected and only authorized numbers have access to dial/SMS control.
8. Warranty and Support
The product typically comes with a 1-year warranty from the date of purchase. For any quality problems, you may be eligible for a return within 7 days. Most products are shipped within 48 hours, and all emails are answered within 24 hours.

For technical support or warranty claims, please contact the seller or manufacturer directly.