Chipset : ESPRESSIF-ESP32 (Wi-Fi & Bluetooth)240MHz Xtensa single-/dual-core 32-bit LX6 microprocessor.
FLASH : QSPI flash 4MB , PSRAM 8MB
Working current :About 70mA ,Sleep current :About 300mA
SIM card : Only supports Nano SIM card.
Package Include 1 x SIM800L with ESP32