With appearance of Taiwanese built AcSiP S76G SoC in late 2018, family of STM32L0 based GNSS LoRaWAN asset trackers has become wider.
One known retail product is RAK7200 from RAKWireless (costs around 40 USD + shipping).
One known DIY product is TTGO T-Motion. (costs around 20 USD + shipping)
The last one comes with factory pre-installed SoftRF firmware to track GA aircrafts or UAVs with assistance of Open Glider Network
‘The Things Network Mapper’ firmware is also available for the device in this open source Arduino sketch.