The ESP32-S3-WROOM-1U-N8R2 with Multiprotocol Modules Engineering Samples SMD Module, ESP32-S3R2, 2 MB PSRAM Die, 8 MB SPI Flash, IPEX Antenna Connector is a cost-effective single-core Wi-Fi+BT(Bluetooth) combo module. It is a single-chip solution integrating the processing power, RF front-end, and networking stack of the ESP32 (an enhanced version of the popular ESP32 SoC) with 2 MB of embedded PSRAM and 8 MB of SPI Flash. It is designed to be used in IoT and home automation systems, as well as in smart appliances and consumer electronics. It has an on-board IPEX antenna connector for external antenna that offers an improved receiver sensitivity. It has a flexible power management architecture, enabling it to optimize its power-saving by selecting the optimal power mode when receiving and sending data packets. The features of this module support various communication protocols, making it an ideal choice for low-power and low-cost applications.