LILYGO® TTGO T-Beam 433/470/868/915MHz ESP32 WiFi Wireless bluetooth Module GPS NEO-M8N SMA LORA 32 With 18650 Battery Holder

Product Upgrade Content: 1. Pin GPIO34 pin is replaced with GPIO35 2. Replace the charging IC (TP5400) with the power management AXP192 3. GPS TX, RX pin replacement 4. Power on and remove, replace with button to open 5. Reduced sleep current 6. GPS battery replacement ESP32 -Lastest ESP32 Version: REV1 -WIFI -bluetooth -4MB Flash -4MB PSRAM -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) (Optional) 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 Operatingtemperature: -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 handler GPS GPS modules NEO-M8N, 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 Battery 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-GMR Note: This product does not include the battery. More details: https://github.com/LilyGO/TTGO-T-Beam SD card test program: https://github.com/LilyGO/TTGO-SD-test Package includes: 1 x WiFi Wireless bluetooth Module 1 x Antenna 2 x Pin