This is the Software Radio Laboratory, LLC new website and the home of the legendary QS1R Software Defined Receiver.

We also sell SRL Lab pre-tested and certified SDRs and accessories.  This insures that you get a unit that is fully functional to SRL’s specification standards.  We select only the best performing units for sale!

As always, the SDRMAX V can be downloaded from http://www.srl-llc.com/qs1r_latest/