Description
TTGO T-Beam v1.0 868Mhz LoRa with GPS NEO-6M
Product upgrade part:
1. The pin GPIO34 is replaced with GPIO15
2. Replace the charging IC (TP5400) with the power management AXP192
3. Replace TX and RX pins of GPS
4. The power switch is removed and replaced with a key switch
5. Minimize sleep current
6. GPS battery replacement
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 ℃
Product Features:
ESP32
Lastest ESP32 Version: REV1
WIFI
Blth
8MB PSRAM
4MB Flash
3D Antenna
LORA
Product Description
Working voltage: 1.8~3.7v
Acceptable current:10~14mA
Transmit current: 120mA@+20dBm
90mA@+17dBm
29mA@+13dBm
Operating frequency: 433/470MHz(433HMz version) /868M/915M(868MHz version)
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℃
Digital RSSI function
Automatic frequency correction
Automatic gain control
Low voltage detection and temperature sensor
Fast wake-up and frequency hopping
Highly configurable data packet handler
GPS
GPS modules NEO-6M, 3V-5V power supply Universal
Destined module with ceramic antenna, signal super
Save the configuration parameter data EEPROM Down
With data backup battery
There are LED signal indicator
Default Baud Rate: 9600
POWER
TP5400
1A Battery Management
LED indicator: There are 4 LEDs show the battery status in real time.
USB
CP2104-GMR
Pre-Flash Firmware
-SoftRF V4.0
Package includes:
1 x TTGO T-Beam ESP32 LoRa development board with 18650 battery holder
1 x antenna
2 x header
1 x TTGO T-Beam ESP32 LoRa development board with 18650 battery holder
1 x antenna
2 x header
More information:
https://github.com/lyusupov/SoftRF/wiki/Prime-Edition-MkII
https://github.com/LilyGO/SoftRF
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