Whichofthefollowingisadiplexerusedfor?()A.Allowstwosatellitetunerstousethesamedish.B.Connectsthelownoiseblockdownconverter（LNB）tothemulti-switch.C.Combinessatelliteandovertheair（OTA）signals.D.AllowsoneLNBtousetwosatellites.
题目
Whichofthefollowingisadiplexerusedfor?()
A.Allowstwosatellitetunerstousethesamedish.
B.Connectsthelownoiseblockdownconverter（LNB）tothemulti-switch.
C.Combinessatelliteandovertheair（OTA）signals.
D.AllowsoneLNBtousetwosatellites.