Description

2G GSM Temperature & Humidity Monitoring Alarm RTU5023 | Power Failure & SMS Alert System

The RTU5023 GSM 2G Environmental Monitoring Alarm is a reliable and intelligent solution designed to monitor temperature, humidity, and power supply status in real time. It instantly sends SMS notifications or phone calls whenever temperature or humidity levels exceed preset limits or when a power failure occurs.

Whether used in server rooms, greenhouses, cold storage, warehouses, or industrial facilities, this device ensures continuous safety and control through the GSM network — even when you’re miles away.

Key Features

🔹 Multi-Function Environmental Monitoring

• Monitors temperature, humidity, and power supply status with high accuracy.

• Alerts via SMS and phone call when values exceed thresholds or when power is lost/restored.

🔹 2G GSM Communication

• Operates through a standard 2G GSM network, compatible with a 3V SIM card.

• Supports multiple authorized phone numbers for alert and control communication.

• Sends alerts and allows remote commands using simple SMS codes or through the dedicated mobile app.

🔹 Power Failure Alarm

• Instantly notifies you when external power (9–36V DC) fails or is restored.

• Includes a rechargeable 3.7V 900mAh backup battery, providing 6–8 hours of standby operation during outages.

🔹 App Remote Control & Password Protection

• Configure parameters, check device status, and manage alarms via the mobile app.

• Password-protected access ensures that only authorized users can modify settings or receive alerts.

🔹 Reliable Temperature & Humidity Sensor

• Equipped with a high-precision AM2301 sensor for accurate temperature and humidity readings.

• Suitable for critical environments requiring stable climate monitoring.

🔹 External Magnetic Antenna

• Enhanced GSM signal strength through a magnetic base antenna, ensuring stable connectivity even in challenging environments.

Specifications

Applications

• Server Rooms & Data Centers – Prevent equipment damage from overheating or humidity changes.

• Cold Storage & Refrigeration Units – Monitor environmental conditions for perishable goods.

• Greenhouses & Agricultural Facilities – Maintain ideal growing conditions.

• Telecom & Electrical Cabinets – Get instant power failure alerts.

• Industrial Automation & Remote Sites – Stay informed about environmental changes anywhere.

What’s Included

• 1 × RTU5023 GSM Monitoring Unit

• 1 × AM2301 Temperature & Humidity Sensor

• 1 × 12V Power Adapter

• 1 × External Magnetic Antenna

• 1 × User Manual

Why Choose RTU5023

✅ Real-time monitoring and instant alerts
✅ Built-in battery backup for power outages
✅ App + SMS + Call notifications
✅ Password protection and multi-user authorization
✅ Easy installation and reliable GSM connectivity