LILYGO 433MHz CH9102F AXP2101 T-Beam V1.2 LoRa ESP32 GPS NEO-6M Long Range Development Board

LILYGO 433MHz CH9102F AXP2101 T-Beam V1.2 LoRa ESP32 GPS NEO-6M Long Range Development Board

Functions:
- Digital RSSI function
- Automatic frequency correction
- Automatic gain control
- RF wake-up function
- Low voltage detection and temperature sensor
- Fast wake-up and frequency hopping
- Highly configurable packet handler
- Global Positioning System
- GPS module NEO-6M, universal 3V-5V power supply
- Designated module with ceramic antenna, super strong signal
- Save configuration parameter data EEPROM Down
- Equipped with data backup battery
- LED signal indicator light

More Details:
- https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series

Improvements:
- Replace pin GPIO34 of the pin header with GPO15
- Replace charging IC (TP5400) with power management AXP2101
- Replace TX and RX pins of GPS
- Remove the power switch and replace it with a button switch
- Sleep current is reduced to the lowest level
- GPS battery replacement

Specification:
- Working voltage: 1.8 - 3.7V
- Acceptable current: 10 - 14mA
- Emission current: 120mA at +20dBm; 90mA at +17dBm; 29mA at +13dBm
- Operating frequency: 433/470MHz (433HMz version)/868M/915M (868MHz version) SX1276
- Transmission power: +20dBm
- Receiving sensitivity:
  -139dBm at LoRa and 62.5KHz & SF=12 and 146bps
  -136dBm at LoRa and 125Khz & SF=12 & 293bps
  -118dBm at LoRa & 125Khz & SF = 6 & 9380bps
  -123dBm at FSK & 5Khz & 1.2Kbps
- Frequency error: +/-15KHz
- FIFO space: 64Byte
- Data rate: 1.2K~300Kbps at FSK; 0.018K~ 37.5Kbps at LoRa
- Modulation modes: FSK, GFSK, MSK, GMSK, LoRa TM, OOK
- Interface format: SPI
- Sleep current: 0.2uA at SLEEP; 1.5uA at IDLE
- Working temperature: -40℃ ~ +85℃ 

Package Included:
- 1 x Development Board
- 1 x Antenna
- 2 x Pin Header

Note:
- The battery is not included.