LoRa GPS lost model finder - device in the model

LoRa GPS lost model finder, this is the device with integrated:
- RFM96 LoRa module,
- GPS BN-180 driven via MOSFET for better power consumption management,
- Arduino promini 8MHz with upgraded voltage regulator and updated bootloader,
- buzzer,
- 150mAh lipo 1S.

The basic purpose of the module is to get the valid GPS fix and send this over the LoRa mod, so it can be possible to track this device from the longer distance.
Attaching this module to the RC model can help to track down th