The Espressif ESP32-WROVER-B is a Wi-Fi and Bluetooth module powered by the dual-core ESP32-D0WD, featuring 4 MB flash memory and 8 MB PSRAM for memory-intensive applications. Supporting 2.4 GHz Wi-Fi, Bluetooth v4.2, and a wide range of interfaces, it includes secure boot, flash encryption, low-power modes, and options for either PCB or IPEX antenna configurations. (NRND)