single board computer

TLDR: I'm looking for a very lightweight ( < 50 g) and cheap ( < $25) 2-meter transmitter that stacks directly on top of an associated microcontroller, similar to the ones that exist for 33 cm and 70 cm. It needs to transmit data collected by the microcontroller to an FTM-300DR transceiver up to...

Hello everyone. Has anyone tried using an RTL with a single board computer, such as a Beagle Board, Beagle Bone, Graperain or anything along those lines? I'm thinking that this could make a pretty neat portable radio with some pretty flexible functionality running analog FM, DSD for digital...