Flash Cards

E1A01

Why is it not legal to transmit a 3 kHz bandwidth USB signal with a carrier frequency of 14.348 MHz?

• A. USB is not used on 20-meter phone
• B. 14.348 MHz is outside the 20-meter band
• C. The lower 1 kHz of the signal is outside the 20-meter band
• D. The upper 1 kHz of the signal is outside the 20-meter band