RTU5023 Temperature and Humidity Alarm with SMS GSM/4G, Power Outage Detector, AM2301 Sensor included

🚨 General Description The RTU5023 is a GSM/3G/4G LTE alarm for temperature, humidity, and power outage. It monitors your environment and alerts you by SMS or call in case of a problem, without distance limitations thanks to cellular communication. Ideal for protecting homes, business premises, servers, or installations sensitive to climate variations. 📊 Technical Specifications Item Type: Temperature & Humidity Alarm Material: Metal Power Consumption: Standby: 20mA at 12V; Max: 150mA at 12V GSM Frequencies: 850/900/1800/1900MHz SIM Interface: 3V Cards External Antenna: SMA Interface, 50 ohms Supported Protocols: Modbus RTU Over TCP, Modbus TCP Sensor Measurement Range: Temperature: -40°C~80°C (±0.5°C), Humidity: 0~99.9%RH (±3%RH) Built-in Battery: Lithium 3.7V/900mAh (approximately 8 hours of operation) Operating Range: -10°C~60°C, 95% relative humidity Dimensions: ~70mm x 88mm x 30mm Contents: 1 Alarm, 1 AM2301 Sensor (1m), 1 Antenna, 1 AC100-240V Adapter (EU Plug), 1 Manual 🔧 Installation Quick and intuitive. Simply connect the power adapter, insert your SIM card into the interface, attach the external antenna, and place the sensor in the area you want to monitor. 🎯 Usage: Easily configure your alarm settings (temperature, humidity, voltage) and up to 10 authorized numbers via SMS. Receive instant alerts or periodic status reminders. Connect it to a cloud platform for real-time monitoring. 💡 Other information: This 4G environmental alarm also detects power outages (0-36V). Its Modbus protocol allows for easy integration into existing systems. The internal battery ensures continuous protection even during a power failure.