G4D09

What frequency range is occupied by a 3 kHz USB signal with the displayed carrier frequency set to 14.347 MHz?

1. A14.347 MHz to 14.647 MHz
2. B14.347 MHz to 14.350 MHz
3. C14.344 MHz to 14.347 MHz
4. D14.3455 MHz to 14.3485 MHz

Pick an answer to check it.