original  Meshtastic T-Beam V1.1 ESP32 LoRa 433/868/915/923Mhz Wireless Module WiFi GPS NEO-6M With OLED Display for Ar

Product Demonstration (Note: The OLED is not soldered to the T-Beam)
Features

ESP32
Latest ESP 32 version: Rev1
WiFi
Blue  tooth
4MB pSRAM
4MB Flash
three-dimensional antenna
Lola

Product Description
Working voltage: 1.8~3.7V
Acceptable current: 10~14 mA
Transmit current: 120 mA@+20 dBm
90mA@+17dBm
29mA@+13dBm
Operating frequency: 433/470 MHz (433 HMz version) SX1278 / 868m/915 m (868 MHz version) SX1276
Transmit power: +20 dBm
Receive sensitivity: -139 dBm@Lora&62.5Khz&SF=12&146 bps
-136dBm@Lora&125Khz&SF=12&293bps
-118dBm@Lora&125Khz&SF=6&9380bps
-123dBm@FSK&5Khz&1.2Kbps
Frequency Error: +/-15 kHz
FIFO space: 64 bytes
Data rate: 1.2k~300 Kbps@FSK
0.018K~37.5Kbps@Lora
Modulation: FSK, GFSK, MSK, GMSK, Lora TM, OOK
Interface form: SPI
Sleep current: 0.2uA@sleep
1.5uA@idle
Working temperature: -40℃-+85℃
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
Scheduled module with ceramic antenna, super signal
Save configuration parameter data EEPROM
Battery with data backup
With LED signal indicator
Default baud rate: 9600

power
TP 5400
1A battery management
LED Indicators: There are 4 LEDs to display the battery status in real time.
USB
CP 2104-GMR
Pre-Flash Firmware


OLED description:
1. Size: 0.96 inches
2. High resolution: 128*64
3. Color: White
4. Viewing angle: >160°
5. Driver IC: SSD 1306
6. Working temperature: -30℃~80℃
7. Module volume (generous): 27.0MM*27.0MM*4.1mm
8. Support a variety of control chips: fully compatible with Arduino, 51 series, MSP 430 series, STM 32/2, CSR chips, etc. (a lot of routines are available for reference)
Wide voltage support: directly support 3.3V~5V DC power supply without any modification
10. Ultra-low power consumption: 0.04W for normal operation
11. IO port occupied minimum display: IIC communication, as long as two IO ports