Do the VHF navigation and communication components of the GNS 480 (CNX80) provide equal performance to Garmin AT stand-alone VHF units?

A. Yes. The GNS 480 (CNX80) incorporates the same advanced digital signal processing (DSP) circuitry found in the award-winning SL30 Nav/Comm.

This means that you can monitor standby communications frequencies or navigation facilities while tuned to a primary frequency or facility. More.

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