TTGO T-Beam ESP32 WiFi Wireless Bluetooth Module with LoRa 868Mhz Module, GPS NEO-6M & 18650 Battery Holder

The TTGO T-Beam is a powerful ESP32 & LoRa Development Module with GPS onboard and battery charging circuit (for 18650).

Product Features:

• ESP32
  • Lastest ESP32 Version: REV1
  • WiFi
  • Bluetooth
  • 4MB PSRAM
  • 4MB Flash
  • 3D Antenna

LoRa Features:

• Working voltage: 1.8~3.7v
• Acceptable current：10~14mA
• Transmit current
  • 120mA@+20dBm
  • 90mA@+17dBm
  • 29mA@+13dBm
• Operating frequency: 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 and temperature sensor
• Fast wake-up and frequency hopping
• Highly configurable data packet handler

GPS Features

• 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

• TP5400
• 1A Battery Management
• LED indicator: There are 4 LEDs show the battery status in real time.
• USB
• CP2104-GMR

https://github.com/lyusupov/SoftRF/wiki/Prime-Edition-MkII

https://github.com/LilyGO/SoftRF