Members:
uid
The loRa sensor UID number.
record_index
LoRa sensor record count.
record_datetime
Receive data timestamp.
temperature
Receive data temperature.
humidity
Receive data humidity.
internal_battery_voltage
Internal battery voltage.
external_battery_voltage
External battery voltage.
falling_record_index
LoRa sensor falling count.
falling_datetime
Receive falling data timestamp.
rssi
The received signal strength indication.
snr