Some possible combinations are: Arduino UNO for microcontroller and Espressif ESP8266 (Wi-Fi) for the network module. You can read more about this setup here: https://medium.com/@manrick01/arduino-uno-esp8266-esp-12e-uart-wifi-wireless-shield-3a39858e5f25. Arduino UNO for microcontroller and Arduino Ethernet Shield for the network module. You can read more about this setup here: http://www.instructables.com/id/Arduino-Ethernet-Shield-Tutorial/. Arduino UNO for microcontroller and SIM900A (GSM) for the network module. You can read more about this setup here: http://www.instructables.com/id/GSM-SIM900A-With-Arduino/. TI MCP430 for microcontroller and TI CC3100 (Wi-Fi) for the network module. More information here: https://www.youtube.com/watch?v=sCB80DsJfig ...