AM

"It is a sign of older technology and does not apply to traditional radio stations." 2. "

They usually transmit in monophonic, making them ideal for speech radio and not for music.

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FM

FM is the classic frequency for broadcasting radio signals.

SW

Short waves are a signal of older technology and do not apply to traditional radio stations.

Bluetooth

You can play music from any Bluetooth-enabled device, such as mobile phones.