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Shenzhen Jutai Comm Co., Ltd.

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City:shenzhen

Province/State:guangdong

Country/Region:china

Contact Person:MrNorman

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Multi function 4G Parking Lot Controller for LPR System & Barrier Control

Name: Multi function 4G Parking Lot Controller for LPR System Barrier Control
Brand: JUTAI
Price: 1 USD

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Operating Voltage :DC 12V (with reverse connection protection)

Relay Output :2 Channels, dry contact isolated, Load capacity: 250VAC/10A or 30VDC/10A

On-board Features :Real-Time Clock (RTC) with battery backup, large-capacity offline data storage, ETC reader protocol, printer control logic

SIM Card Type :MicroSIM (1.8V/3.3V adaptive)

Uplink/Downlink Speed :Ethernet: up to 300 KB/s; 4G: up to 100 KB/s (network dependent)

Development Mode :Cloud Docking (Recommended, via MQTT SDK) & Local Use (as a local hardware controller)

Digital Input (IO) :6 Channels, non-isolated, allowable voltage range: 0-5V

Supported Camera Protocols :Direct photo push via Ethernet (Zhixin, Zhenshi); License plate data via RS485 (Zhixin, Zhenshi, Qianyi)

Physical Dimensions (L*W*H) :145mm * 105mm * 15mm

Network Redundancy Logic :Auto-failover: Ethernet priority -> Switch to 4G if Ethernet fails -> Revert to Ethernet upon recovery

Serial Interfaces :2 x RS232, 2 x RS485 (Baud rate: 4800-115200bps, with protection)

Remote Management :Supports Over-The-Air (OTA) firmware and file updates

Brand Name :JUTAI

Model Number :W4G

Place of Origin :China

MOQ :1

Price :Negotiation

Payment Terms :L/C,D/A,D/P,T/T,Western Union

Supply Ability :1000/m

Delivery Time :7 working days

Packaging Details :Carton

Network Communication :Dual-mode: 4G LTE (Integrated module) & Ethernet (10/100M adaptive)

Wiegand Interface :2 Channels, supports Wiegand 26/34 adaptive

Operating Temperature :-40°C to +85°C

Core Processor :ARM Cortex-M3 High-Speed Processor, running a Real-Time Embedded OS

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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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