Microchip Technology recently announced its first Bluetooth 4.1 Low Energy module, the RN4020, which carries both worldwide regulatory certifications and is Bluetooth Special Interest Group (SIG) certified. The integrated Bluetooth Low Energy (BTLE) stack and on-board support for the common SIG low-energy profiles speeds time to market while ensuring Bluetooth compatibility, eliminating expensive certification costs and reducing development risks. The module comes preloaded with the Microchip Low-energy Data Profile (MLDP), which enables designers to easily stream any type of data across the BTLE link. 
The RN4020 is a stack-on-board module, so it can connect to any microcontroller with a UART interface, including hundreds of PIC MCUs, or it can operate standalone without an MCU for basic data collection and communication, such as a beacon or sensor. Standalone operation is facilitated by Microchip’s unique no-compile scripting, which allows module configuration via a simple ASCII command interface—no tools or compiling are required.
The RN4020 Bluetooth Low Energy Module is available for $6.78 each in 1,000-unit quantities.
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