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Intercoms
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SDB-800
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  Dual Audio Panel Intercom

 
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The SDB-800 combines all of the great features of the SPA-400/600 intercom series into a dual audio panel environment. This allows two pilots, operating separate radios, the convenience of simultaneous voice activated inter cabin communication while operating their respective radio systems independently.
The SDB-800 consists of two modified SPA-400 units with their own operating controls and radio interface. This allows intercom communication between two units while keeping both VHF audio systems separate.

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