Quantity   Component name
1 × Adafruit Ultimate GPS V3 https://www.adafruit.com/products/746
1 × Raspberry Pi ZERO W https://www.raspberrypi.org/products/pi-zero-w/
1 × Huawei E3131 Modem http://consumer.huawei.com/lk/mobile-broadband/dongles/features/e3131-lk.htm
1 × pHAT DAC audio https://shop.pimoroni.com/products/phat-dac
1 × PowerBoost 1000 Charger https://www.adafruit.com/products/2465
1 × 1200 mah Lipo Battery https://www.adafruit.com/products/258
5 × Kitronik Sewable push switch https://shop.pimoroni.com/products/kitronik-sewable-push-switch
1 × Adafruit Monochrome 128x32 I2C OLED graphic display https://shop.pimoroni.com/products/adafruit-monochrome-128x32-i2c-oled-graphic-display