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Medium frequency - Wikipedia
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How radio works using radio waves | Britannica
Radio Waves: Definition, Types, Importance and Examples
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1950s Vintage Red Roberts R66 2 Waveband Valve Radio – Mullard Antiques and Collectibles
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E-GUIDE.RENAULT.COM / R-LINK / Multimedia / LISTENING TO THE RADIO
An Overview of Frequency Bands and Their Applications | PCB Design Blog | Cadence
BBC Radio 2 | Music Gateway | Music Gateway
