The OKY2253-6 is a system-on-module solution that combines a high-performance controller, evaluating board, Espressif ESP32, Bluetooth 4.2, and WiFi. This module can be used to connect a range of IoT applications and displays. It features an 8MB Flash memory, 640KB ROM, and integrated sensors on the evaluating board, allowing for fast performance in a miniaturized form factor. The Bluetooth 4.2, WiFi, and GSM/GPRS module allows for easy communication between the module and user’s network. It has an automatic power factor correction with low harmonic distortion and protection against dust and all types of electrostatic disturbance. The processor runs at a frequency of up to 240MHz and can handle complex tasks with ease. The module has extended temperature range making it suitable for industrial applications, and also supports OTA updates.