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Spectrum Efficient

If you've tried to use a repeater channel on 2-meters or 430-440 MHz in any city, you know how crowded the bands can be. The D-STAR voice and low-speed data signal offers a significant improvement in spectrum efficiency, requiring only a 6 kHz channel instead of the 20, 25, or even 30 kHz of analogue wide-band FM. D-STAR repeaters can be interleaved between existing channels or multiple repeaters deployed in the spectrum of only one analogue FM repeater.

(*Digital Smart Technology for Amateur Radio)

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