Icom R75 HF Radio Scanner DSP Installed. (Digital Signal Processor) Expanded frequency coverage - The IC-R75 covers a frequency range thats wider than other HF receivers; 0.0360.000000 MHz*. This wide frequency coverage allows you to listen to a variety of communications including marine communications, amateur radio, short wave radio broadcasts and more. *Guaranteed 0.129.99 MHz and 5054 MHz only High stability receiver circuit - Icoms latest wide band technology provides highly stable receive sensitivity over the entire receive frequency range. The IC-R75 makes it easy to catch communications world wide. Superior dynamic range - A wide dynamic range of more than 100 dB*1, 104.5 dB*2 for 14 MHz band, 102.5 dB*2 for 50 MHz band, and a well-designed triple conversion system help minimize image and spurious responses for better signal fidelity. *1 Not guaranteed. *2 Not guaranteed; When PREAMP OFF; CW narrow 500 Hz bandwidth; 100 kHz channel spacing Twin PBT capability - The PBT (passband tuning) function narrows and moves the IF passband at two stages to efficiently eliminate interfering signals. TO READ FULL SPECS PLEASE GO TO (http://icomamerica.com/en/products/receivers/tabletop/r75/default.aspx)