Product Features:
ESP32
Lastest ESP32 Version: REV1
WIFI & Bluetooth
8MB PSRAM
4MB Flash
3D Antenna
LORA
LORA antenna connector is RG316
Working voltage: 1.8~3.7v
Acceptable current:10~14mA
Transmit current: 120mA@+20dBm
90mA@+17dBm
29mA@+13dBm
Operating frequency: 433/470MHz(433HMz version) /868M/915M(868MHz 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
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
OLED Description:
1.Size:0.96 inch
2.High resolution:128 * 64
3.Color:white
4.Viewing angle:> 160 °
5.Driver IC:SSD1306
6.Working temperature:-30 celcius ~ 80 celcius
7.Module volume (generous):27.0MM * 27.0MM * 4.1MM
8.Supports many control chip:Fully compatible with Arduino, 51 series, MSP430 series,STM32/2, CSR chip, etc.(a lot of routines for reference)
9.Wide voltage support:without any modification, directly supports 3.3V ~ 5V DC
10.Ultra-low power consumption:Normal operation Is 0.04W
11.IO port occupies minimal display:The IIC communication,as long as the two IO ports
More information:
https://github.com/geeksville/Meshtastic-Android/blob/master/README.md
https://github.com/meshtastic/Meshtastic-device/releases
https://github.com/Xinyuan-LilyGO/LilyGO-T-Beam