The RC-S2LP-868-HA-EK Dev.kit with RF, GPIO and SPI, manufactured by Radiocontrolli, is a Radio Frequency (RF) communication system development kit designed to work with the NUCLEO-L053R8 and NUCLEO-L152RE microcontroller boards. It comes with a complete set of integrated peripherals, such as an analog-to-digital and digital-to-analog converters, an integrated voltage regulator and a power supply monitoring circuit, all of which allow for sophisticated and efficient RF designs. It also features various tuning options to maximize RF performances in specific applications. Finally, its wireless RF connection capabilities let users exchange data between boards, and connect radio units to existing gateway systems.