Description This is an evaluation board for the Silicon Laboratories Si4703 FM tuner chip includes an amp and a headphone jack and thats everything you need to get up and running Beyond being a simple FM radio the Si4703 is also capable of detecting and processing both Radio Data Service RDS and Radio Broadcast Data Service RBDS information The Si4703 even does a very good job of filtering and carrier detection It also enables data such as the station ID and song name to be displayed to the user Using this board we are able to pick up multiple stations just as well as with a standard FM radio The board breaks out all major pins and makes it easy to incorporate this great chip into your next radio project Also by plugging headphones into the 3 5mm audio jack you effectively use the cable in your headphones as an antenna Therefore this board does not require an external antenna if using headphones or a 3 5mm audio cable longer than 3 feet Package included 3 x Evaluation Development Board