SMD module. ESP32-S3R2 with 2 MB PSRAM die inside. 16 MB SPI flash. PCB antennaESP32-S3-WROOM-1-N4SKU: ESP32-S3-WROOM-1-N4€1.90PriceQuantity*Out of StockNotify When AvailableComponent TypeMCU ModuleStock Quantity0Manufacturer