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BurookHi 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) -
KiranYes I don’t doubt you. Jutai is one of the most confident companies I came across in China
Multi function 4G Parking Lot Controller for LPR System & Barrier Control
| 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 |
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 |
| Highlight | 4G Parking Lot Controller,LPR Parking Lot Controller,Multi Function Parking Lot Controller |
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Product Description
Multi function 4G Parking Lot Controller for LPR System & Barrier Control
The JUTAI W4G 4G Parking Lot Controller is an industrial-grade intelligent core tailored for license plate recognition (LPR) parking systems. It integrates 4G/Ethernet dual-network redundancy, LPR data integration, barrier control, offline operation, and multi-peripheral linkage—solving traditional parking systems relying on physical lines. Equipped with a high-speed ARM Cortex-M3 processor and rich standard interfaces, it seamlessly connects LPR cameras, barriers, loop detectors, and cloud platforms, ensuring 24/7 stable operation of parking lots, communities, and commercial 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 (L × W × H) | 145mm × 105mm × 15mm | |
| Mounting Hole Spacing | 135mm × 95mm | |
| Dual-Network Communication | 4G Module | Built-in, supports MicroSIM card (1.8/3.3V adaptive), max data rate 100KByte/S |
| Ethernet Interface | 10/100M adaptive, isolated, max data rate 300KByte/S | |
| Network Logic | Auto-switch: Priority Ethernet, failover to 4G on failure, revert after recovery | |
| LPR & Peripheral Integration | Compatible Cameras | Zhixin, Zhenshi (Ethernet photo push); Zhixin, Zhenshi, Qianyi (RS485 data) |
| Control Interfaces | 2x RS232, 2x RS485 (4800-115200bps, with ESD protection) | |
| Access Control Interfaces | 2x Wiegand (26/34 bit adaptive) | |
| IO Input/Output | 6x IO input (0-5V); 2x relay output (250VAC 10A / 30VDC 10A) | |
| Core Functions | Offline Storage | Saves whitelists, access logs, and up to 64 images (≤64KB each) |
| Supported Protocols | MQTT (cloud docking), ETC reader protocol, printer control protocol | |
| Development Modes | Cloud docking (SDK + MQTT); Local use (PC software control) |
Key Functional Advantages
1. Dual-Network Redundancy & Uninterrupted Operation
- No line dependency: 4G + Ethernet dual-network design, automatically switching to 4G when physical lines are damaged or Ethernet fails
- Cost optimization: Reverts to Ethernet after network recovery, minimizing 4G data consumption and operational costs
- Stable signal coverage: Uses mobile operator networks, ensuring normal operation as long as mobile signals are available
2. Seamless LPR System Integration
- Direct camera integration: Supports Ethernet photo push from Zhixin/Zhenshi cameras and RS485 license plate data from three mainstream brands
- Fast data transmission: Ethernet uploads 100KB photos in ~0.5 seconds, 4G in ~1.5 seconds, ensuring real-time LPR processing
- Fake plate detection: Cooperates with supported cameras to identify fake/return/stay plates, enhancing parking security
3. Offline Operation & Data Integrity
- Independent work capability: Built-in RTC (power failure backup) and large-capacity memory, operating with pre-stored whitelists offline
- Offline access control: Automatically allows valid whitelist vehicles to pass, denies temporary/expired vehicles, and saves all records
- Automatic sync: Uploads offline logs, images, and access records to the cloud immediately after reconnection, no data loss
4. Comprehensive Barrier & Peripheral Control
- Barrier management: 2 high-load relays control barrier opening/closing/holding open, with LED delay control (1-30 seconds)
- Peripheral linkage: Reads loop detector signals via IO inputs to sense vehicle presence; connects card readers via Wiegand for dual access control
- Extended functions: Supports ticket printers, ETC readers, and LCD displays, adapting to diverse parking lot configurations
5. Cloud Integration & Intelligent Management
- MQTT protocol docking: Standard JSON format, supporting cloud control of barriers, display content, voice broadcasts, and whitelist updates
- Real-time monitoring: Periodic heartbeat reports (1 minute default) include signal strength, temperature, data usage, and network type
- Whitelist management: Supports adding/modifying/deleting whitelists (max 16000 entries), with batch operation to extend flash lifespan
Application Scenarios
- Smart Parking Lots: Core controller for entry/exit stations, integrating LPR recognition, barrier control, and payment system linkage. Offline operation ensures uninterrupted service during network outages
- Residential Communities: Manages resident whitelists and visitor temporary access, linking with community access control systems for secure vehicle entry
- Commercial & Retail Parking: Facilitates paid parking, monthly pass management, and QR code payment integration. Dual-network redundancy guarantees peak-hour reliability
- Industrial Parks & Logistics Centers: Controls truck and authorized personnel access, logs entry/exit times, and integrates with warehouse management systems
- Highway Toll Stations: Supports ETC protocol integration, with dual-network stability ensuring critical communication in toll collection scenarios
Why Choose W4G 4G Parking Lot Controller?
- LPR-Specific Optimization: Seamless integration with mainstream LPR cameras, reducing integration complexity for system integrators
- Zero Downtime Guarantee: Dual-network auto-failover eliminates line-dependent outages, protecting parking lot revenue and security
- Robust Offline Capability: Independent operation with data storage ensures normal access control even without network connectivity
- Industrial-Grade Durability: Extreme temperature resistance (-40°C ~ +85°C) and interface protection for harsh outdoor environments
- Scalable & Future-Proof: Open MQTT protocol and rich interfaces support cloud platform integration and functional expansion
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