Звезда не активнаЗвезда не активнаЗвезда не активнаЗвезда не активнаЗвезда не активна
 
Collect:
1.https://www.researchgate.net/profile/Loizos-Kanaris/publication/315839931_Fusing_Bluetooth_Beacon_Data_with_Wi-Fi_Radiomaps_for_Improved_Indoor_Localization/links/58eb6ce24585153b60c95e13/Fusing-Bluetooth-Beacon-Data-with-Wi-Fi-Radiomaps-for-Improved-Indoor-Localization.pdf?origin=publication_detail
2. https://lora-alliance.org/lora_products/abeeway-micro-tracker/
3. https://www.u-blox.com/en/blogs/tech/ultra-low-power-gps-u-blox-m10 (ULP GPS)
4. https://eu.mouser.com/new/maxim-integrated/maxim-max2769c-receiver/ (ULP GPS)
5.occupancy detection https://www.thethingsnetwork.org/device-repository/devices/elsys/ems-desk/