TTGO T-Beam ESP32 WiFi Module Bluetooth 868MHz GPS NEO-M8N LORA 32 Module with Antenna and 18650 Battery Holder, 868MHz

1. New version of ESP32: Rev1
2. Wi-Fi / Bluetooth / 4MB Flash Memory / 4MB PSRAM / 3D Antenna / Lora

Product Description
1. Working voltage: 1.8~3.7V
2. Acceptable current: 10 ~ 14mA
3. Emission current:
-120mA to +20dBm
-90mA at +17dBm
-29th to +13dbm
4. Working frequency: 433HMZ SX1278 version / 915MHz SX1276 version / 868MHZ SX1276 version
5. Transmit power: +20dbm
6. Sensitivity reception:
- 139DBM at Lora and 62.5khz & SF = 12 and 146bps
- 136DBM at Lora and 125khz & SF = 12 and 293bps
- 118DBM on Lora & 125khz & SF = 6 & 9380bps
- 123DBM on FSK and 5KHZ and 1.2Kbps
7. Frequency error: +/- 15kHz
8. FIFO space: 64bytes
9. Vote on data:
- 1.2k ~ 300kbps at FSK
- 0.018k ~ 37.5kbps in Lora
10. Modulation mode: FSK, GFSK, MSK, GMSK, Lora TM, Ook
11. Interface Module: SPI
12. Sleep Current:
- 0.2UA in sleep
- 1.5Ua minimum
13. Working temperature: -40 degrees Celsius- +85 degrees Celsius
14. Digital RSSI function
15. Automatic frequency correction
16. Automatic gain control
17. RF alarm function
18. Low pressure detection and temperature sensor
19. Fast Wake-up and Frequency Skipping
20. Highly configurable package manager

Global Positioning System
1. Neo-M8N GPS module, universal 3V-5V power supply
2.Designated module with ceramic antenna, super strong signal
3. Save the EEPROM configuration parameter data
4. With data backup battery
5. With LED signal indicator
6. The default baud rate: 9600

Energy
1. TP5400.
2. 2A Battery Management
3. LED Indicator: There are 4 LEDs to display the battery status in real time.
4. Power button: Click once to start. Double tap quickly to close.
5. USB.
6. CP2104-GMR
7. Pre-flash firmware: Softrf V4.0

Packing list:
1. TTGO T-BEAM ESP32
2. 433MHz antenna.
3. PIN X 1
4. Screw the washer x 3

Note: OLED is not included in the invoice