Related Clues:

• Shortwave medium
• Woody Allen's "___ Days"
• The R in NPR
• AM/FM appliance
• Dashboard appliance
• Medium for F.D.R.'s speeches
• Transistor, e.g.
• Depression-era cathedral
• Stern milieu
• AM or FM device
• XM medium
• Beach bring-along
• Medium for communication
• Wireless
• It used to be called the wireless