WH-300 GSM RTU Wireless Alarm Controller – Premium Remote Access Solution

Industrial-Grade Durability
Built with high-impact ABS housing and corrosion-resistant terminals, ensuring long-term reliability in harsh environments.
Advanced 4G GSM Connectivity
Supports global 4G networks for real-time SMS alerts and remote control, eliminating reliance on Wi-Fi or wired setups.
Versatile Input/Output Config
2 digital inputs for sensor integration (e.g., door/window contacts) + 1 relay output (10A) to automate gates, alarms, or industrial equipment.
Plug-and-Play Installation
Tool-free terminal blocks and DIN rail mounting fit standard electrical panels, saving 50% setup time vs. traditional controllers.
Multi-Scenario Applications
Ideal for smart agriculture (livestock fencing), warehouse security, garage door automation, and IoT-enabled HVAC systems.
Ultra-Low Power Design
Energy-efficient circuit with
Global Compliance
Certified for FCC/CE/RoHS, compatible with 85-265V AC/DC power for worldwide deployment.
Bulk Order Advantage
Direct factory pricing with 30% savings on 100+ units, backed by 24/7 technical support.