Quantity   Component name
1 × RF Explorer 3G+ IoT for Raspberry Pi https://www.seeedstudio.com/RF-Explorer-3G%2B-IoT-for-Raspberry-Pi-p-2770.html
1 × Raspberry Pi 3 With at least 4GB micro SD card, display and keyboard
1 × DIY 3v3 arduino ( Misko v2 ) Arduino clone based on ATmega328PB