TTGO T-Beam ESP32 LoRa 433/868/915Mhz/923MHz Development Board W/ 18650 Holder WIFI BT Module 433MHz

Similar ItemsDescriptionProduct upgrade part:

1. The pin GPIO34 is replaced with GPIO15

2. Replace the charging IC (TP5400) with the management AXP192

3. Replace TX and RX pins of GPS

4. The switch is removed and replaced with a key switch

5. Minimize sleep current

6. GPS replacement



Product Features:

ESP32

ESP32 new version: REV1

wireless online

Bluetooth

4MB flash

3D

LORA

TP5400

1A management

LED indicator

USB

CP2104-GMR

Pre-flashed : -SoftRF V4.0

Digital RSSI function

Automatic frequency correction

Automatic gain control

wake-up function

Low voltage and temperature sensor

Fast wake-up and frequency hopping

Highly configurable packet handler

Global Positioning System

GPS module NEO-6M, universal 3V-5V supply

Specified module with ceramic , super strong signal

Save configuration data EEPROM Down

With data backup

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 : + 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'FSK5Khz1.2Kbps

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:

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 holder

1 x

2 x header





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