LILYGO TTGO T-Beam ESP32 433Mhz V1.1 WiFi Wireless bluetooth Module GPS NEO-6M SMA LORA32 18650 Battery Holder
Feature:
| Working voltage | 1.8~3.7V |
| Acceptable current | 10~14mA |
| Transmit current | 120mA@+20dBm |
| 90mA@+17dBm | |
| 29mA@+13dBm | |
| Operating frequency | 433Mhz |
| 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℃ |



Default Software:
Default admin software installed is https://github.com/lyusupov/SoftRF
Connect to WIFI SoftRF-[Last 6 digits of Mac address]
PW: 12345678
GPS is lock if led at UPS block is flashing (next to Antenna connector)
Connect to admin screen http://192.168.1.1

Serial Port ?? Board 38400

This Unit can be configured as a Lora APRS tracker using the folowing software.
https://github.com/antonjan/LoRa_APRS_Tracker



More information:
Default software installed is http://github.com/lyusupov/SoftRF
https://github.com/geeksville/Meshtastic-Android/blob/master/README.md