Product Features
ESP32
Lastest ESP32 Version: REV1
WIFI
Bluetooth
8MB PSRAM
4MB Flash
3D Antenna

LORA
Product Description
Working voltage: 1.8~3.7v
Acceptable current：10~14mA
Transmit current: 120mA@+20dBm
90mA@+17dBm
29mA@+13dBm
Operating frequency: 433/470MHz(433HMz version) 
Transmit power: +20dBm
Receive sensitivity :-139dBm@LoRa &62.5Khz&SF=12&146bps
-136dBm@LoRa &125Khz&SF=12&293bps
-118dBm@LoRa &125Khz&SF=6&9380bps
-123dBm@FSK&5Khz&1.2Kbps
Frequency error：+/-15KHz
FIFO space ： 64Byte
Data rate ：1.2K~300Kbps@FSK
0.018K~37.5Kbps@LoRa
Modulation Mode ：FSK,GFSK,MSK,GMSK,LoRa TM，OOK
Interface form ： SPI
Sleep current ：0.2uA@SLEEP
1.5uA@IDLE
Operating temperature ：-40℃- +85℃
Digital RSSI function
Automatic frequency correction
Automatic gain control
Low voltage detection and temperature sensor
Fast wake-up and frequency hopping
Highly configurable data packet handler

GPS
GPS modules NEO-6M, 3V-5V power supply Universal
Destined module with ceramic antenna, signal super
Save the configuration parameter data EEPROM Down
With data backup battery
There are LED signal indicator
Default Baud Rate: 9600

Power
Power Supply Input USB 5V/1A
Charging current 500mA
Battery Input 3.7-4.2V
Charge IC AXP192