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The radio costs very little, but the antenna needed for AM has to be much larger than for FM to get similar performance. I can imagine that auto manufacturers
by bcrl 3y ago
The radio costs very little, but the antenna needed for AM has to be much larger than for FM to get similar performance. I can imagine that auto manufacturers would love to get rid of the cost of installing the antenna by only supporting Bluetooth.
- cf100clunk 3y agoAM radio antennae of the ferrite coil or rod variety are tiny and have been in widespread use for over a century. http://www.hard-core-dx.com/nordicdx/antenna/loop/amloop.html http://www.hard-core-dx.com/nordicdx/antenna/loop/amloop.htm... If locating it within the electric vehicle's superstructure is not suitable to the manufacturer it is not difficult to put one in a stubby sharkfin roof mounting as is done with GPS, mobile phone, and satellite radio antennae.