WH-300 GSM 3G/4G Cellular RTU SMS Remote Controller Alarm System

Multi-Network Compatibility
Supports GSM 3G/4G networks for reliable connectivity in remote areas with no Wi-Fi dependency, ensuring uninterrupted monitoring.
Robust Industrial-Grade Build
Features a durable ABS housing with reinforced internal circuitry, resistant to extreme temperatures (-20°C to 60°C) and humidity for outdoor/industrial use.
Real-Time Dual Input Monitoring
Equipped with 2 digital inputs for precise sensor integration (door/window switches, water leaks, power failure detection) with instant SMS/app alerts.
App & SMS Dual Control
Manage devices remotely via user-friendly mobile app (iOS/Android) or SMS commands—ideal for automation in farms, warehouses, and smart homes.
Low Power Consumption
Energy-efficient design with standby power under 0.5W, extendable with optional solar panels for 24/7 off-grid operation.
Easy Plug-and-Play Setup
Pre-configured SIM slot and DIN rail mounting for quick installation—no technical expertise required.
Scalable Automation
Compatible with irrigation systems, security alarms, and HVAC controls, enabling customized industrial or residential solutions.
Global Certification
CE/RoHS certified, ensuring compliance with international safety and electromagnetic standards.