Product Specification

W4G 4G LTE & Ethernet Dual Network Parking Controller with Auto Failover

Core Technical Parameters

Key Functional Advantages

1. Dual-Network Redundancy & Auto Failover

• No network downtime: Automatically switches between Ethernet and 4G networks. If physical lines are damaged or Ethernet fails, it instantly switches to 4G to ensure continuous system operation.
• Cost optimization: Reverts to Ethernet when the network is restored, minimizing 4G data consumption and reducing operational costs.
• Stable signal guarantee: 4G module supports mobile phone network coverage, ensuring normal operation as long as the mobile signal is available.

2. Comprehensive Device Integration Hub

• Camera integration: Directly connects to mainstream LPR cameras via Ethernet (receives photo pushes) or RS485 (obtains license plate data), eliminating the need for additional converters.
• Peripheral control: Controls barriers, lights, and printers via relays; reads vehicle presence from loop detectors via IO inputs; connects card readers via Wiegand interfaces.
• Extended compatibility: Supports ETC reader parsing protocols and LCD display control, adapting to diverse parking lot functional requirements.

3. Offline Operation & Data Integrity

• Independent work capability: Built-in RTC and large-capacity memory, enabling normal operation with pre-stored whitelists and configurations even without network connectivity.
• Offline data storage: Saves license plate recognition records, access logs, and images locally, with up to 64 small-size image storage capacity.
• Automatic sync: Uploads all offline data and images to the cloud immediately after network recovery, ensuring complete audit trails and no data loss.

4. Standardized Cloud Integration (MQTT)

• Simple docking: Uses JSON-over-MQTT protocol for communication, supporting custom or third-party platform integration with provided SDK.
• Full-event coverage: Reports device heartbeat, license plate recognition, QR code scans, and IO status changes; supports remote commands for barrier control, display messaging, and whitelist updates.
• Secure and reliable: QoS 1 communication quality ensures message delivery, with GBK encoding for stable data transmission.

5. Industrial-Grade Reliability & Easy Maintenance

• Harsh environment adaptation: Operates stably in -40°C ~ +85°C extreme temperatures, with ESD and pulse protection for interfaces.
• Low maintenance cost: Remote monitoring of device status (signal strength, temperature, data usage) and firmware updates reduce on-site visits.
• Robust hardware design: Reverse connection protection, overcurrent protection, and durable components ensure 24/7 continuous operation.

Application Scenarios

• Smart Parking Lots & Garages: Serves as the core controller for entry/exit stations, integrating LPR cameras, barrier control, and payment system linkage. Offline operation guarantees uninterrupted service during network outages.
• Gated Communities & Residential Complexes: Manages resident whitelists, visitor temporary access, and delivery vehicle entry/exit. Dual-network redundancy ensures no access control failures.
• Commercial & Retail Parking: Facilitates paid parking, monthly pass management, and integration with QR code payment stations. Reliable operation enhances customer experience during peak hours.
• Industrial & Logistics Parks: Controls truck and authorized personnel access, logs entry/exit times, and integrates with warehouse management systems. Resists harsh industrial environments.
• Toll Stations & Highway Access: Supports ETC protocol integration, with dual-network guarantee for critical communication in toll collection scenarios.
• Critical Access Control Points: Ideal for scenarios where network failure is unacceptable, such as government facilities, data centers, and military bases.

Why Choose W4G Dual Network Parking Controller?

• Eliminates Single Point of Failure: Auto failover between Ethernet and 4G ensures 100% system uptime, protecting revenue and security.
• Simplifies System Architecture: Integrates multiple communication interfaces and control logic, replacing separate network switches, 4G routers, and PC-based software.
• Future-Proof & Scalable: Open MQTT protocol and standard interfaces support integration into IoT platforms, scaling across multiple sites.
• Cost-Effective Operation: Offline data storage reduces real-time network dependency; automatic network switching optimizes data costs.
• Proven Compatibility: Works with mainstream LPR cameras, ETC readers, and peripherals, reducing integration risks for system integrators.