Smart WiFi Gate Control Solution 4-Relay Controller -30~80°C Wide Temp WiFi/BLE MQTT OTA Device Group Management for Multi-Scenario Access Control
The Smart WiFi Gate Control Solution delivers a robust, adaptable access management system powered by a high-performance 4-relay controller, engineered to excel in multi-scenario access control across residential, commercial, and light industrial environments. Engineered with a wide -30~80°C operating temperature range, this solution maintains consistent, reliable performance even in extreme cold or heat, eliminating downtime caused by harsh environmental conditions and ensuring uninterrupted access control for diverse on-site settings.
Dual WiFi/BLE connectivity paired with the stable MQTT protocol ensures seamless, low-latency communication between devices and management terminals, keeping access operations smooth and responsive at all times. OTA remote update capability simplifies long-term maintenance by allowing wireless firmware upgrades without on-site intervention, cutting maintenance time and labor costs while keeping the system equipped with the latest security and functional improvements.
A standout feature is its intuitive device group management, which lets administrators organize, monitor, and control multiple gate controllers from a unified platform. This centralized approach streamlines operations for large-scale or multi-location deployments, removing the hassle of managing each device individually. The 4-relay design offers strong compatibility with various gate mechanisms, supporting flexible installation across different access scenarios. By combining rugged durability, stable connectivity, and simplified group management, this solution provides a cost-effective, future-proof access control choice that adapts to diverse operational needs while boosting overall management efficiency.

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| GL-WLAN-01 |
GL-WLAN-02 |
GL-WLAN-03 |
JUTAI GateLink Smart Controller & Camera Core Parameter Summary
General Controller Specifications (All Models)
All industrial-grade controllers support WiFi + BLE dual-mode communication, MQTT protocol and OTA remote firmware update, with built-in mobile APP/Bluetooth remote control and security alarm functions. They feature a wide operating temperature of -30°C ~ 80°C for stable operation in harsh environments.
Model-Specific Controller Parameters
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GL-WLAN-01 (2-Relay WiFi Controller)
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Power input: DC 12-24V/1A (5V customizable)
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Relay output: 2 channels with shared common terminal
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Load rating: DC 30V/2A, AC 220V/1A
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Dimensions: 109.5 × 41.1 × 25.6 mm
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GL-WLAN-02 (4-Relay WiFi Controller)
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Power input: DC 12-24V/1A (5V customizable)
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Expansion port: 1 × RS485
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Relay output: 3 shared common channels + 1 independent channel
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Load rating: DC 30V/1A, AC 125V/1A
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Dimensions: 96.5 × 50 × 31.4 mm
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GL-WLAN-03 (4-Relay 4G Controller)
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Power input: DC 12-48V (max peak voltage 60V)
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Communication: 4G + WiFi + BLE triple-mode
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Expansion ports: 1 × CAN, 1 × RS485, 2 × RS232
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Input: 4-channel isolated digital input
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Relay output: 4-channel independent NO/NC output
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Load rating: DC 30V/10A, AC 220V/10A (high-power support)
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Dimensions: 135 × 80 × 40 mm
Camera Pixel Parameters
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GL-200H26-IR WiFi Camera: 2.0 Megapixels (2MP)
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GL-R300H265-IR WiFi Camera: 3.0 Megapixels (3MP)
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JTNP-ZS500W(D)-RA5 LPR Camera: 1080P HD resolution























