Did you know that in amature radio world each VHF channel has BW of 12.5 kHz. since our voice BW is only 300Hz so we need at lease 600Hz channel to communicate. Since the channel is too wide compare to 600Hz why not we use the large BW for full duplex communication???
To use 12.5 kHz cahnnel to do full duplex comm, we need very good filter so that the window of band that the filter pass is narrower to split 12.5 kHz into 2 channel Tx and Rx. The other component is the equipment need to have difference transmitter and receiver module where they can operate simultaneously.
My question only how to know wheter we need to Tx on lower band or the higher band because the other side of operator also have same problem with you here.
Any suggestion can forward to me at bdin6384@gmail.com . Thanks you for your support..
@pai..
Tiada ulasan:
Catat Ulasan