LoRa is a low-power remote wireless communication technology.
LORA features: long distance, low power consumption, multi-node, low cost, anti-interference characteristics, low LoRa rate, small data transmission

Hardware Specifications:
- Chipset: Atmega328P
- FLASH: QSPI flash/SRAM, up to 4 x 16 MB
- KEY:reset
- Power indicator lamp: red
- lora : TTGO LORA 915M
- on-board clock: 16MHz crystal oscillator
- working voltage: 2.3V-3.6V
- working current: about 8mA
- working temperature range: -40 +85
- 51.13mm*27.25mm*12.29mm

Power Supply Specifications:
- Power Supply:USB 5V/1A
- charging current: 500mA
- battery: 3.7V lithium battery (not included)

Mega328 main features:
- High performance, low power AVR 8-bit microcontroller
- Advanced RISC architecture
- High endurance non-volatile memory segment
- Special features of the microcontroller
- Power-on reset and programmable Brownout detection
- Internally calibrated oscillator
- External and internal interrupt sources
- Six sleep modes: idle, ADC noise reduction, power save, shutdown, standby, and standby expansion

Package include:
1 x Mega328 Board
1 x Antenna
1 x Cable
2 x pins

Specs: