What is an SDR (Software Defined Radio)
Receiver?
www.sdrplay.com
A radio receiver where much of what
traditionally was done in hardware,
is now done in software.
The SDRplay RSP1A hardware does up-front
filtering, amplifying, mixing and Analog to
Digital conversion.
It sends the digitised signal to the PC over the
USB cable and the SDRuno software performs
the rest of processing chain