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TTGO T-Beam ESP32 LoRa 433/868/915Mhz/923MHz development board w/ 18650 holder WIFI BT Module 923MHz

GH₵ 738.24

GH₵ 1,443.4949%

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Product details

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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Specifications

Key Features

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