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Features: ESP32 Lastest ESP32 Version: REV1 WIFI bluetooth 4MB Flash 3D Antenna LORA Working voltage: 1.8~3.7v Acceptable current: 10~14mA Transmit current: 120mA@+20dBm 90mA@+17dBm 29mA@+13dBm Operating frequency: 433MHz/868MHz/915MHz 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 RF wake-up function Low voltage detection and temperature sensor Fast wake-up and frequency hopping Highly configurable data packet handlerGPS 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 IP5306 2A Bat tery Management LED indicator: There are 4 LEDs show the battery status in real time. Power button: Click one time will start. Fast click 2 times will shut down.USB CP2104-GMRProduct Details:Pin Schematic:Package included: 1 x TTGO T-Beam ESP32
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