Advantech WISE-4051 8Ch Dig Input IoT Wireless I/O Module with RS-485

8-ch digital input with 1-port RS-485 for Modbus devices
2.4GHz Wi-Fi reducing the wiring cost during big data acquisition
Easily extend the existing network by adding APs, and share existing Ethernet software
Configured by mobile devices directly without installing any software or Apps
Zero data loss using the log function with RTC time stamp
Data can be automatically pushed to Dropbox or computer
Supports RESTful web API in JSON format for IoT integration