Two-way radio and mobile phone installation requirements, approved waveband limits, maximum transmission output levels, and permitted aerial positions on Smart vehicle roof.

Manual page showing radio installation guidelines with top-view diagram marking front and rear roof aerial positions.

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See all Electrical figures for the Fortwo / Forfour (453), or browse the full figure library. Part numbers and callouts are community-sourced and cross-referenced against the manuals — confirm with your VIN before ordering.