This is the LORA V1.3 ESP32 Bluetooth WIFI LILYGO TTGO Development Board SX1276 Chip Module, 915Mhz.
Hardware Specifications
Chipset ESPRESSIF-ESP32 (Wi-Fi & Bluetooth)240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor
Module SX1276
FLASH QSPI Flash 4MB
SRAM 520 kB SRAM
Button BOOT, REST
USB to TTL CH9102F
Modular interface UART, SPI, SDIO, I2C, PWM, I2S, ADC, DAC, Cap Sensor
On-board clock 40MHz crystal oscillator
Working voltage About 2.7V-3.6V
Sleep current About 600Ua
Working temperature -40℃ ~ +85℃
Screen OLED 0.96 Inch
Dimensions About 53.07mm*25.32mm*7.5mm
Weight 6.5g
Power Supply
Power Supply Input USB 5V/1A
Charging current 500mA
Battery Input 3.7-4.2V
Charge IC
JST Connector 2Pin 1.25mm
USB
Wi-Fi
Standard FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC (esp32 chip)
Protocol 802.11 b/g/n (802.11n,speed up to150Mbps) A-MPDU and A-MSDU
polymerization, supports 0.4μS Protection interval
Frequency range 2.4GHz~2.5GHz(2400M~2483.5M)
Transmit Power 22dBm
Communication Range 300meters
Bluetooth
Protocol Meets bluetooth v4.2BR/EDR and BLE standards.
Radio frequency With -97dBm sensitivity NZIF receiver Class-1, Class-2& Class-3 emitter AFH
Audio frequency CVSD&SBC audio frequency
Software specification
Wi-Fi Mode Station/SoftAP/SoftAP+Station/P2P
Security mechanism WPA/WPA2/WPA2-Enterprise/WPS
Encryption Type AES/RSA/ECC/SHA
Firmware upgrade UART download/OTA (Through network/host to download and write firmware)
Software Development Support cloud server development /SDK for user firmware development
Networking protocol IPv4、IPv6、SSL、TCP/UDP/HTTP/FTP/MQTT
User Configuration AT + Instruction set, cloud server, android/iOSapp
OS FreeRTOS
Comparison between Lora V1.3 and Lora V1.0:
1.Product low power design
2.Optimize LORA RF circuit
3.Add battery voltage detection Pin IO35
More Information
PCB pinout chart