TC Router 3002T-4G GL: Full Specifications, Features, Setup Guide & Troubleshooting
What Is the TC Router 3002T-4G GL?
The TC Router 3002T-4G GL is an industrial-grade 4G LTE router designed for high-reliability wireless connectivity in factories, IoT systems, smart devices, remote monitoring stations, and business networks. This model is often used in environments where stable mobile broadband, redundant data links, and rugged durability are required.
Typical features found on the TC Router 3002T-4G GL include:
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4G LTE mobile connectivity
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Multiple LAN ports for wired devices
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Industrial housing suitable for harsh environments
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DIN-rail mounting
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Failover and backup network capabilities
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Remote device management through web interface
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Firewall and security features
Because it provides both wireless and wired networking, the 3002T-4G GL is used for automation systems, camera surveillance, telemetry, and machine-to-machine communication.
Key Features and Technical Specifications
While specifications may vary by model revision, the TC Router 3002T-4G GL typically offers solid functionality for industrial and commercial applications.
Core Specifications
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4G LTE module supporting global or regional frequency bands
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Up to 150 Mbps download / 50 Mbps upload (depending on LTE category)
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RJ45 Ethernet ports (often 2–4 ports depending on configuration)
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Built-in firewall and NAT routing
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DHCP server and static routing support
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SIM card slot (standard or micro SIM)
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External antenna connectors for enhanced LTE and Wi-Fi range
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Wide input voltage range for industrial power systems
Rugged Design
The router typically includes:
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Metal or reinforced polycarbonate casing
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Wide temperature tolerance (e.g., -20°C to +60°C)
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Vibration and shock resistance
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Surge and overload protection
These features make it dependable for factories, outdoor systems, and remote installations.
Software and Security
The TC Router 3002T-4G GL usually supports:
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Web-based management interface
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Remote firmware updates
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Port forwarding & DMZ
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VPN support (PPTP, L2TP, IPSec, depending on model)
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MAC filtering
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Custom APN configuration
Such tools are essential for IoT deployment and remote management.
How to Set Up the TC Router 3002T-4G GL
Setting up the 3002T-4G GL is generally straightforward, even for non-technical users.
1. Insert the SIM Card
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Power off the router
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Insert an activated 4G SIM card
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Ensure it includes data availability
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Power the router back on
2. Connect to Power and Ethernet
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Plug the router into a stable power supply
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Connect a computer or device using the LAN port
3. Access the Web Configuration Panel
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Open a browser
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Enter the router’s default IP, typically:
192.168.1.1 or 192.168.0.1 -
Log in using the default credentials printed on the router label
4. Configure the Mobile Network
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Navigate to Network > Mobile Settings
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Enter the APN provided by your SIM operator
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Apply settings and wait for the router to register on the LTE network
5. Set Wi-Fi (if the GL version includes Wi-Fi)
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Enable access point mode
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Choose SSID name
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Set WPA2/WPA3 password
6. Save and Reboot
Restarting ensures all settings apply correctly.
Common Uses for the 3002T-4G GL Router
This router is designed for reliability rather than home use. Typical environments include:
1. Industrial Automation
Used in systems such as:
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PLC controllers
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Sensors
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Robotics
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SCADA equipment
2. Security and Surveillance
The router can power:
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IP cameras
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Remote monitoring stations
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Alarm systems
3. IoT and Machine-to-Machine Communication
Supports:
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Metering devices
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Smart energy solutions
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Logistic tracking
4. Retail and Business Failover
Provides backup internet when the primary connection drops.
5. Remote Locations
Ideal for:
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Farms
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Construction sites
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Off-grid networks
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Temporary events
Its durability and strong 4G signal support these applications well.
Troubleshooting the TC Router 3002T-4G GL
Here are common issues and solutions based on typical industrial router behavior.
1. Router Does Not Connect to 4G Network
Possible causes:
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Wrong APN
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Weak signal
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SIM card not activated
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Carrier not supported
Fixes:
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Re-enter APN settings
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Test SIM in a smartphone
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Try different location or external antenna
2. No Internet via LAN Ports
Possible causes:
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Faulty Ethernet cable
Fixes:
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Enable DHCP
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Set static IP manually
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Try new LAN cable
3. Router Keeps Rebooting
Possible causes:
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Unstable power supply
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Overheating
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Firmware corruption
Fixes:
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Use stable DC power supply
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Place router in cool environment
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Update firmware (if available)
4. Slow Internet Speeds
Possible causes:
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Network congestion
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Weak LTE signal
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Wrong band or APN
Fixes:
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Change router placement
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Use high-gain external antenna
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Select specific LTE band (if supported)
Is the TC Router 3002T-4G GL Worth Using?
The TC Router 3002T-4G GL is an excellent option for:
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Industrial automation
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Remote deployments
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IoT systems
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Surveillance networks
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Business failover solutions
It offers high reliability, strong build quality, LTE connectivity, and advanced security controls, making it ideal for environments where conventional consumer routers would fail.
Users who need stable LTE performance, rugged durability, and flexible industrial networking will find this model highly suitable.
