Secure Client work mode: TCPS, HTTPS, MQTTS ^^ SSL/TLS Encryption in TCP client, HTTP Client and MQTT modes ^^ MQTT protocol for AWS/OneNET/ Alibaba IoT Platform ^^ High Reliability and
Stability: EFT-IEC61000-4-4 Level 3 (2KV), Built-in hardware watchdog, ESD-IEC61000-4-2 Level 4 ^^ Redundant Power Supply