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