We have several TI CC1350 launchpads at hand. The physical setting is configured to WB-DSSS 240kbps, 2-GFSK, 1x spreading, which can reach at least 5-km range. To send out radio, the host should send messages to the connected CC1350 through its UART peripheral. We will test MAVLink at the next step. Check out source files here: https://github.com/WillzZhu/CC1350_telemetry