Which two Cisco antennas provide better isolation from RF sources that might be located behind the a

Which two Cisco antennas provide better isolation from RF sources that might be located behind the
antennas? (Choose two.)

A.
AIR-ANT3213

B.
AIR-ANT2465P-R

C.
AIR-ANT1949

D.
AIR-ANT5160V-R