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  • Shenzhen Jutai Comm Co., Ltd.
    Burook
    Hi Norman... I just remembered i didn't let u know.... everything worked out we made both the wired and the remot control opening work... they loved the item (assuming it will hold its own for the next 10 years or so)
  • Shenzhen Jutai Comm Co., Ltd.
    Kiran
    Yes I don’t doubt you. Jutai is one of the most confident companies I came across in China
Contact Person : Norman
Phone Number : 19166271852
WhatsApp : +8619166271852

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

  • W4G 4G LTE & Ethernet Dual Network Parking Controller with Auto Failover
  • W4G 4G LTE & Ethernet Dual Network Parking Controller with Auto Failover
Place of Origin China
Brand Name JUTAI
Model Number W4G
Document W4G.pdf
Minimum Order Quantity 1
Price Negotiation
Packaging Details Carton
Delivery Time 7 working days
Payment Terms L/C,D/A,D/P,T/T,Western Union
Supply Ability 1000/m

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Product Details
Core Processor ARM Cortex-M3 High-Speed Processor, Running A Real-Time Embedded OS Operating Voltage DC 12V (with Reverse Connection Protection)
Operating Temperature -40°C To +85°C Network Communication Dual-mode: 4G LTE (Integrated Module) & Ethernet (10/100M Adaptive)
Network Redundancy Logic Auto-failover: Ethernet Priority -> Switch To 4G If Ethernet Fails -> Revert To Ethernet Upon Recovery Uplink/Downlink Speed Ethernet: Up To 300 KB/s; 4G: Up To 100 KB/s (network Dependent)
Relay Output 2 Channels, Dry Contact Isolated, Load Capacity: 250VAC/10A Or 30VDC/10A Digital Input (IO) 6 Channels, Non-isolated, Allowable Voltage Range: 0-5V
Serial Interfaces 2 X RS232, 2 X RS485 (Baud Rate: 4800-115200bps, With Protection) Wiegand Interface 2 Channels, Supports Wiegand 26/34 Adaptive
Supported Camera Protocols Direct Photo Push Via Ethernet (Zhixin, Zhenshi); License Plate Data Via RS485 (Zhixin, Zhenshi, Qianyi) On-board Features Real-Time Clock (RTC) With Battery Backup, Large-capacity Offline Data Storage, ETC Reader Protocol, Printer Control Logic
Development Mode Cloud Docking (Recommended, Via MQTT SDK) & Local Use (as A Local Hardware Controller) Physical Dimensions (L*W*H) 145mm * 105mm * 15mm
SIM Card Type MicroSIM (1.8V/3.3V Adaptive) Remote Management Supports Over-The-Air (OTA) Firmware And File Updates
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W4G Parking Controller

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Dual Network Parking Controller

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Ethernet Parking Controller
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Product Description

W4G 4G LTE & Ethernet Dual Network Parking Controller with Auto Failover 0W4G 4G LTE & Ethernet Dual Network Parking Controller with Auto Failover 1

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

The JUTAI W4G Series Controller is an industrial-grade intelligent core device tailored for smart parking and access control systems. It solves the pain point of traditional systems relying on physical lines by integrating 4G LTE and Ethernet dual-network redundancy, realizing automatic failover and seamless connectivity. Equipped with a high-speed ARM Cortex-M3 processor, rich interfaces, and offline operation capabilities, it serves as a reliable "central hub" for communication between cloud platforms, on-site devices (cameras, barriers, detectors), and peripheral equipment—ensuring 24/7 stable operation of parking lots, gated communities, and industrial access scenarios.

Core Technical Parameters

Category Key Parameters Specification
Power & Environmental Operating Voltage DC12V (with reverse connection protection)

Operating Current 2A MAX (instantaneous current during 4G data transmission)

Operating Temperature -40°C ~ +85°C (relative humidity <80%, no frost)

Dimensions (LWH) 145mm × 105mm × 15mm

Mounting Hole Spacing 135mm × 95mm
Dual-Network Communication Primary Network 4G LTE (built-in module, supports MicroSIM card, 1.8/3.3V voltage adaptive)

Backup/Preferred Network Ethernet (10/100M adaptive, isolated, does not support automatic polarity reversal)

Data Rate Ethernet: Max 300KByte/S; 4G: Max 100KByte/S (depending on network conditions)

Network Logic Auto-switch & fallback: Priority use of Ethernet, automatic switch to 4G on failure, revert after recovery

Supported Protocols MQTT (cloud docking), TCP/IP, ETC reader protocol, printer control protocol
Control & Interfaces Relay Output 2 channels (isolated normally open contact), load capacity: 250VAC 10A / 30VDC 10A

IO Input 6 channels (non-isolated, allowable voltage range 0-5V)

Serial Interfaces 2x RS232, 2x RS485 (baud rate 4800-115200bps, with ESD and pulse protection)

Access Control Interface 2x Wiegand interfaces (Wiegand 26/34 adaptive)
Integration & Storage Compatible Cameras Ethernet: Zhixin, Zhenshi (photo push); RS485: Zhixin, Zhenshi, Qianyi (license plate data)

Onboard Features RTC (real-time clock with power failure backup), large-capacity offline data storage, LCD driver

Development Modes Cloud docking (recommended, MQTT + SDK); Local use (PC software control)
Remote Management Upgrade Support Firmware and file updates via network

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.

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