Heat dissipation (BTU/hr) for the Passport.

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                             typical     Single Power max    Dual Power max
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Digi Passport 4        23.87             68.2                        -                 
Digi Passport 8        37.51             51.15                     102.3
Digi Passport 16      40.92             51.15                     102.3
Digi Passport 32      44.33             51.15                     102.3
Digi Passport 48      47.74             51.15                     102.3
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