LoRa GPS node 433 & 868 Mhz TTGO Bluetooth WIFI

This LoRa tracker is an IoT development board for LoRa 433 Mhz or 868 Mhz frequencies (depending on the model), with WIFI 802.11 b / g / n connection, Bluetooth / BLE, 2.4cm OLED display (soldering), GPS module and battery holder (battery not included).

Comes with: 1 LoRa GPS Tracker ESP32 TTGO T-BEAM, 1 antenna 433 or 868 MHz, 2 headers (soldering), 1 OLED screen (soldering). Battery and micro-USB cable not included.

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LoRa GPS ESP32 node specifications

Supply voltage: 1.8 to 3.7v
Current: 10 to 14mA
Transmission current: 120mA @ + 20dBm, 90mA @ + 17dBm, 29mA @ + 13dBm
ISM frequencies: 433 or 868 Mhz (depending on the model)
Transmitting power: + 20dBm - 100mW
Sensitivity: -139dBm @ LoRa & 62.5Khz & SF = 12 & 146bps, [email protected]&5Khz&1.2Kbps
Stability in frequency: +/- 15KHz
FIFO: 64 bytes
Data Rate: 1.2K ~ 300Kbps @FSK, 0.018K ~ 37.5Kbps @LoRa
Modulation modes: FSK, GFSK, MSK, GMSK, LoRa TM, OOK
Interface: SPI
Consumption: Sleep 0.2uA, [email protected]
Operating temperature: -40 - + 85
RSSI digital function
Automatic frequency correction
Automatic gain control
Fast wake up and frequency hopping
Data Packet Manager
Antenna connector: SMA female
GPS Modules NEO-6M, Power Supply 3V-5V
With integrated ceramic GPS antenna
Saving EEPROM configuration data
LED signal indicator
Throughput: 9600 baud
Battery management
USB by CP2104-GMR
SoftRF V4.0 pre-loaded firmware

More informations and SoftRF documentation on Github: https://github.com/lyusupov/SoftRF/wiki/Prime-Edition-MkII et https://github.com/LilyGO/SoftRF

Diagram TTGO T-BEAM

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