The USR-DR502-E is a high-performance LTE Cat.1 communication modem designed for reliable connectivity in energy storage systems and battery management applications. Supporting both LTE and GSM networks, it ensures seamless data transmission across major European frequency bands. With built-in protocols for TCP/UDP, HTTP, MQTT, and SSL/TLS, this modem enables secure and efficient remote monitoring and control. Ideal for industrial IoT, smart energy, and renewable power systems, it offers wide temperature tolerance (-30℃～+75℃) and robust performance in demanding environments.More
