Meshtastic T-Beam V 1.1 ESP32 433/868/915/923Mhz WiFi Bluetooth ESP32 GPS NEO-6M SMA 18650 OLED battery support
 Product demonstration (note: OLED is not welded to the T-beam)Product FeaturesESP32Latest version
 ESP32: Rev1Wireless internet accessBluetooth4MB PSRAM4MB flash memory3D antennaLola
 Product Description
 Working voltage: 1.8 - 3.7V
 Acceptable current: 10~14mA
 Transmission current: 120mA @+20dBm
 90 mA @+17dBm
 29 mA @ 13dBm
 Working frequency: 433/470MHz (433HMZ version) /868M/915M (868MHz version)
 Transmission power: +20dBm
 Receiving sensitivity: -139dBm @ lora& 62.5 kHz&sf=12&146bps
 -136dBm @ lora&125kHz&sf=12&293bps
 -118dBm @ lora and 125kHz, SF=6 and 9380bps
 -123dBm @ fsk and 5kHz and 1.2 kbps
 Frequency error: +/-15kHz
 FIFO space: 64 bytes
 Data rate: 1.2K ~300kbps @ fsk
 0.018K ~ 37.5 kbps @ lora
 Modulation methods: FSK, GFSK, MSK, GMSK, LORA TM, OOK
 Interface form: SPI
 Sleep current: 0.2 ua @ sleep
 1.5 UA @ Inactive
 Working temperature: -40 -85
 Digital RSSI function
 Automatic frequency correction
 automatic gain control
 Low voltage detection
 Quick activation and frequency hopping
 Highly configurable packet manipulator
 Global Positioning System
 GPS module, 3V-5V universal power supply
 Module for ceramic antenna, with super signal
 Save EEPROM configuration parameter data downward
 With battery data backup
 LED signal light
 Default Baud Rate: 9600
 power
 TP5400
 Battery Management 1A
 LED indicator light: There are 4 LEDs that display the battery status in real-time.
 USB interface
 CP2104
 Pre flash firmware
 OLED description:
 1.
 Size: 0.96 inches
 2.
 High resolution: 128 * 64
 3.
 Color: White
 4.
 Perspective: >160
 5.
 IC controller: SSD1306
 6.
 Working temperature: -30 C~80 C
 7.
 Module volume (large): 27.0 mm * 27.0 mm * 4.1 mm
 8.
 Support multiple control chips: fully compatible with Arduino, 51 series, MSP430 series, STM32/2, CSR chips, etc. (many routines for reference)
 9.
 Wide voltage support: No modification required, directly supports 3.3V ~5V DC
 10.
 Ultra low power consumption: 0.04 watts during normal operation
 11. The minimum screen occupied by
 IO ports: providing IIC communication between two IO ports
 More information:
 https: //github. com/geeksville/Meshtastic-Android/blob/master/README. md
 https: //github. com/meshtastic/Meshtastic-device/releases
 Pin diagram
 Tamao de la imagen
 Shipping List433MHz/868MHz version1 x T-beam1 433MHz/868MHz antenna1x 0.96 inch 128x64
 OLED2 pinsNote: OLED is not welded to the T-beam
 915MHz/923MHz version
 1 x T-beam
 1 915MHz/923MHz antenna
 1x 0.96 inch 128x64 OLED
 2 pins
 Note: OLED is not welded to the T-beam