TTGO Meshtastic T-Beam V1.1 ESP32 923MHz OLED WiFi Bluetooth GPS NEO-6M SMA 18650 Battery Holder

Overview & Features

Product demonstration (Note: OLED is not soldered to T-beam). Features:. 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 degrees Celsius-+85 degrees Celsius. Digital RSSI function. Automatic frequency correction. Automatic gain control. Low pressure detection. Fast wake-up and frequency hopping. Highly configurable packet handler.. Global Positioning System:. GPS module neo-6m, 3V-5V power supply universal. The predetermined module with ceramic antenna, super signal. Save configuration parameter data EEPROM. With data backup battery. With LED signal indicator. The 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. Pre-Flash firmware.. OLED description:. Size: 0.96 inches. High resolution: 128x64. Color: white. Viewing angle: >160 degrees. 5.Driver IC: SSD 1306. Working temperature: -30~80 degrees Celsius. Module size (generous): 27.0mm x 27.0mm x 4.1mm. Support a variety of control chips: fully compatible with Arduino, 51 series, MSP 430 series, STM 32/2, CSR chips, etc. (a lot of examples are available for reference). Wide voltage support: directly support 3.3V~5V DC power supply without any modification. Ultra-low power consumption: 0.04W in normal operation. IO port occupies the smallest display: IIC communication, as long as two IO ports...

Technical Specifications