4DI/4Relay 2.4G WiFi IoT Wireless I/O

Supports IEEE 802.11 a/b/g/n (2.4GHz)
Supported protocols: Modbus/TCP, TCP/IP, UDP, DHCP, HTTPs, MQTT
Stores 10,000+ data points locally with SNTP/RTC time sync and WDT auto connection recovery
Supports RESTful web API in JSON format for IoT integration
With UDP-based AES-128 encrypted wireless P2P, abnormal inputs can automatically trigger up to 16 WISE modules in the field