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The smart Radio computer!

As radio enthusiasts we dream of far away horizons, of smart radios than can connect us to the remotest corners of the world! Soon the Spectrum will be able to do not only that, but also listen to us, reply, interpret and act..!

With the new Spectrum DSP M-Plus today, we can see and tune to stations across the bands in an instant, see band conditions and much more, including access the latest digital modes including an advanced CW decoder with text sending! More than that, the audio quality produced by the Spectrum is low noise and a pleasure to listen to!

News update - December 13: The next version of the Spectrum DSP is now shipping, offering improved noise rejection, an expanded receiver range from 580 KHz to 148 MHz, with dual USB ports so that keyboards, dongles, PCs and transceivers with USB-CAT can be connected. All orders have been fulfilled to date.

New features: We are working on many new features for this capable 1 billion operations per second SDR, including digital modes and a voice-user interface (VUI). The day-bright 5-inch XGA display is truly stunning, and able to achieve an incredible 1000 frames per second !

The electronics now includes a 20-30dB pre-amplifier for the IF/RF receiver, a sensitive microphone for the VUI, and a powerful audio amplifier.

We are working on many other new features including new screen formats and digital modes such as FT-4/8 and WSPR.

To keep up-to-date please visit our FB group, QuantumSDR!

Spectrum DSP M-Plus SDR unit
Spectrum DSP M-Plus SDR unit

Elecraft KX3 + Spectrum DSP+ using 12 KHz offset for reduced noise

Yaseu FT-891 + Spectrum DSP+
a powerful & compact 100W solution