Flash: 4MB, PSRAM: 8MB
Peripheral Interfaces: I2CSPI UART SDIO I2SCAN
Wireless Connectivity:
Wi-Fi: 802.11 b/g/n, Bluetooth: v 4.2 BR/EDR and BLE
More Informationgithub. com/Xinyuan-LilyGO/LilyGo-T-Call-SIM800
Product service: If you have any questions or suggestions about the product, please feel free to contact us. We will answer your question as soon as possible