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Only the very best SDRs and accessories!  Check out our new products on our Shop page.

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We also accept checks, money orders, and wire transfers.  Sorry, no CODs.

New SRL Lab certified SDRs and accessories available now!

Specs

Get the QS1R specifications

SDRMAX V

SDRMAX V is the latest software for use with the QS1R Receiver.  Unlike other SDR manufacturers, we write our own software so you get SDR software tailored specifically to the QS1R Receiver and only the QS1R Receiver.

Windows - OS X - Linux

The QS1R Receiver and SDRMAX V supports Windows, Mac OS X, and Linux.