The ESP32-WROVER-E(4MB) with WIFI Modules Module RoHS is a high-performance, low-power Wi-Fi module manufactured by Espressif. It features a 4MB embedded SPI flash and a 32-bit dual-core Tensilica LX6 processor. The module includes an integrated 16MB of SDRAM and WiFi 802.11b/g/n/e/i/k/r as well as Bluetooth 5.0 support. It includes an integrated power amplifier, low-noise power amplifier, and internal filtering for increased range and better Wi-Fi reception. Besides offering a hardware encryption engine, integrated floating-point computations, temperature sensor, and voltage and current sense for battery management, the ESP32-WROVER-E(4MB) is also RoHS certified, meaning that it is compliant with the most stringent environmental regulations.