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The latest ESP 32 version: Rev1
WiFi
Bluetooth
4MB pSRAM
4MB flash memory
Three-dimensional antenna
Product Description
Working voltage: 1.8~3.7V
Acceptable current: 10~14 mA
Transmitting current: 120 mA@+20 dBm
90 mA@+17 dBm
29 mA@+13 dBm
Working frequency: 433/470 MHz (433 HMz version) SX1278 /868m/915 m (868 MHz version) SX1276
Transmitting power: +20 dBm
Receiving sensitivity: -139 dBm@Lora&62.5Khz&SF=12&146 bps
-136 dBm@Lora&125 Khz&SF=12&293 bps
-118 dBm@Lora&125 Khz&SF=6&9380 bps
-123 dBm@FSK&5 Khz&1.2Kbps
Frequency error: +/-15 kHz
FIFO space: 64 bytes
Data rate: 1.2k~300 Kbps@FSK
0.018K~37.5Kbps@Lora
Modulation method: FSK, GFSK, MSK, GMSK, Lora TM, OOK
Interface form: SPI
Sleep current: 0.2uA@
1.5uA@Idle
Working temperature: -40℃-+85℃
Global Positioning System
GPS module neo-6m, 3v-5v power supply universal
Pre-defined module with ceramic antenna, super signal
Save configuration parameter data EEPROM
With data backup battery
With LED signal indicator
Default baud rate: 9600
power
TP 5400
1A battery management
LED indicator: There are 4 LEDs to display the battery status in real time.
USB
CP 2104-GMR
Shipping list:
433 MHz/868 MHz version
1X TTGO T-Beam
1×433 MHz/868 MHz antenna
1×0.96 inch 128X64 OLED
2×Pin
Note: OLED is not soldered to T-Beam.
Customer
Reviewed in Canada on March 1, 2024
It says it's 433MHz, but when I connected the device it says "radio": { "frequency": 927.375 }
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