Quantity   Component name
1 × Rephone Xadow GSM + BLE http://www.seeedstudio.com/depot/Xadow-GSM-BLE-p-2560.html?cPath=84_120
1 × Xadow breakout board http://www.seeedstudio.com/depot/Xadow-GSM-Breakout-p-2559.html
1 × ASDX Series Silicon Pressure Sensor http://www.farnell.com/datasheets/1765461.pdf
1 × Particle Proton instead of RePhone https://www.particle.io/cellular