It's effortless to add Bluetooth® LE to your design with our RNBD350UE plug-and-play module. The RNBD350UE is truly plug-and-play it requires no programming, RF-design or regulatory certification. Part of our Bluetooth product portfolio, the RNBD350UE saves time, money and engineering resources which reduces your time to market. --- Plug-and-play simplicity: No wireless software development is needed, just send commands from any microcontroller (MCU) over UART. It also supports Host Controller Interface (HCI) mode for Linux/MPU applications. Antenna for tricky situations: RNBD350UE comes with a U.FL connector for external antenna so you can add wireless to applications where a PCB antenna doesn't work. Global regulatory certified: RF certification can take a lot of time and money. RNBD350UE modules are pre-certified in US, Canada, Europe, Taiwan, Japan, and Korea. Choosing a pre-certified module bypasses the certification process allowing you to focus on your product. Free mobile app and source code for Android™ and iOS®: Download the app and source code to get started with creating your own mobile app. Free personalized design check service: When you choose our products, we will review and provide guidance on your schematic, PCB layout and RF testing of your design.