General › G9 Antennas and Feed Lines › G9D11
G9D11
Which of the following is a disadvantage of multiband antennas?
Pick an answer to check it.
Answer: D. They have poor harmonic rejection
Because a multiband antenna is resonant on several frequencies, it may also be resonant at transmitter harmonics. That gives poor harmonic rejection.
Tip: Multiband antennas let harmonics through.