CORE 64-bit 480MHz RV64 C906 32-bit 320MHz RV32 E907 32-bit 150MHz RV32 E902 MEMORY 728KB internal SRAM 64MB internal PSRAM 128Mb (16MB) XSPI Flash microSD slot I/O INTERFACE UART I2C SPI I2S CAMERA INTERFACE MIPI-CSI 2 lanes COMMUNICATION 802.11 b/g/n 2.4GHz Wifi BLE 5.0 Zigbee USB 10/100Mbps Ethernet thru optional add-on board EXPANSION 40 pins Breadboard friendly form factor PACKAGE CONTENTS 128Mb Ox64 board Device Warranty: 30 Days