Quantity   Component name
1 × Hackaday Permaproto Pi Hat
1 × Adafruit FONA SMA version
1 × Adafruit Powerboost
1 × breadboard wires
1 × 3.7 2000mah lipo
1 × Raspberry Pi (any, A+ used in picture for form factor)
1 × T-Mobile pay as you go SIM