The MICROCHIP TECH RN4020-V/RMBEC133 is a Bluetooth low energy module which provides a highly integrated solution for delivering low-power Bluetooth 4.1 solutions. The advanced command interface offers rapid time to market. The RN4020 module complies with Bluetooth specification version 4.1. The module integrates RF, a baseband controller, and a command API processor, making it a complete Bluetooth Low Energy solution. This module can be used with ultra-low cost microcontroller for intelligent Bluetooth Low Energy applications. For simple sensor applications, the RN4020 internal scripting capabilities enable basic functions to be implemented without the need for external host MCU or software development tools.