Product Features:
Lastest ESP32 Version: REV1
WIFI & Bluetooth
8MB PSRAM
4MB Flash
3D Antenna
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
LORA [LORA antenna connector is RG316]
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:
- Size:0.96 inch white OLED
- High resolution:128 * 64
- Working temperature:-30 celcius ~ 80 celcius
- Module volume (generous):27.0MM * 27.0MM * 4.1MM
- Supports many control chip:Fully compatible with Arduino, 51 series, MSP430 series,STM32/2, CSR chip, etc.(a lot of routines for reference)
- Wide voltage support:without any modification, directly supports 3.3V ~ 5V DC
- Ultra-low power consumption:Normal operation Is 0.04W
- 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
Pin Map

Size picture

Shipping List :
433MHz or 868MHz Version
1 X TTGO T-Beam
1 X 433MHz or 868MHz Antenna
1 X 0.96 inch 128X64 OLED
2 X Pin
Note: OLED is not soldered to T-BEAM

915MHz or 923MHz Version
1 X TTGO T-Beam
1 X 915MHz or 923MHz Antenna
1 X 0.96 inch 128X64 OLED
2 X Pin
Note: OLED is not soldered to T-BEAM