Related Clues:

• Police-car feature
• See 1 Across
• Sirius or XM medium
• High-tech ''satellite'' medium
• Speech carrier, in a way
• The 'R' of NPR
• Wave catcher?
• ACTRA word
• Ham's device
• Portion of an advertising budget
• CBer's need
• Shower accessory
• Hit home?
• Word after clock or talk
• TV's ancestor