R0 Radio Kit (Discontinued)The R0 Radio Kit consists of two R0 sub GHz telemetry radios and two UU0 USB to Serial adapters. R0 is based on the Si1000 chipset, and the SiK telemetry radio firmware. This makes it compatible to many other UAV telemetry radio modules like the RFD900 or the 3DR telemetry radio. The difference is that R0 is exposing a UF. l connector making it very slim and allowing installation inside tight spaces. Also the module provides the ubiquitous FTDI pin