T9B04 : What is the major function of an antenna tuner (antenna coupler)?
A
It matches the antenna system impedance to the transceiver's output impedance
B
It helps a receiver automatically tune in weak stations
C
It allows an antenna to be used on both transmit and receive
D
It automatically selects the proper antenna for the frequency band being used
Correct Answer: It matches the antenna system impedance to the transceiver's output impedance