6. GPS battery replacement
Product Features:
ESP32
ESP32 new version: REV1
wireless online
Bluetooth
4MB flash
3D antenna
LORA
TP5400
1A battery management
LED indicator
USB
Pre-flashed firmware: -SoftRF V4.0
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
Specified module with ceramic antenna, super strong signal
Save configuration parameter data EEPROM Down
With data backup battery
With LED signal indicator
Default baud rate: 9600
Description:
Working voltage: 1.8 ~ 3.7v
Acceptable current: 10 ~ 14mA
Transmitting current: 120mA @ + 20dBm, 90mA @ + 17dBm, 29mA @ + 13dBm
Working frequency: 433 / 470MHz (433HMz version) / 868M / 915M (868MHz version)
Transmitting power: + 20dBm
Receiving sensitivity:
-139dBm @ LoRa and 62.5Khz & SF = 12 and 146bps
-136dBm @ LoRa and 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
Working temperature: -40 ℃-+ 85 ℃
Package includes:
1 x TTGO T-Beam ESP32 LoRa development board with 18650 battery holder
1 x antenna
2 x header