RTU5023 Temperature & Humidity Alarm with SMS, GSM/4G, Power Outage Detector, Environmental Alert, AC 100-240V

General Description 🔔The RTU5023 is an intelligent GSM/3G/4G LTE alarm system that monitors temperature, humidity, and current presence. It transmits alerts via SMS or call, with no distance limitations. Ideal for monitoring sensitive areas such as cellars, servers, cold storage rooms, or workshops, it guarantees your peace of mind. Technical Specifications 📏Type: Alarm for temperature and humidity Material: Metal Consumption: Standby: 20mA at 12V; Max: 150mA at 12V GSM Frequencies: 850/900/1800/1900MHz SIM Support: 3V cards Antenna: SMA interface, 50 ohms Protocols: Modbus RTU Over TCP, Modbus TCP Measurement Range: Temperature: -40°C to 80°C (±0.5°C); Humidity: 0-99.9% RH (±3% RH) Built-in battery: Lithium 3.7V/900mAh (battery life ~8h) Size: ~70 x 88 x 30 mm Contents: 1 Alarm, 1 Sensor, 1 Antenna, 1 AC100-240V Adapter (EU Plug), 1 Manual Installation ⚙️ Installation is quick and easy. Insert your SIM card, connect the external antenna, and plug in the sensor and power adapter. Configuration is easily done via SMS. Usage 📱 Configure your temperature and humidity thresholds. You can authorize up to 10 numbers to receive SMS alerts. The system also automatically reports the daily status and allows you to view the history via SMS. Effortless environmental monitoring. Other information ℹ️ The device also detects a power outage thanks to its voltage monitoring (0-36V). Its internal battery ensures continuous alerts in case of failure. Compatible with cloud platforms via its Modbus protocols.