How do landline phones and cell phones work in cordless telephones?
The cordless phone is different, it requires both sides to exchange each other or provide the relevant signal before the completion of communication building process, as follows: the host realizes how to control a mobile phone off hook action (i.e., mobile phone dialing, heard dial tone) mobile phone users want to make a local call, press the mobile phone off hook key encoding integrated circuit machine (according to the address code, can produce multiple encoding) and pilot oscillator begins to work, the sum of the two output composite encoding pulse train, the signal is amplified by the mobile phone in the FM circuit, the antenna is shoot out. The host receives the signal, after the change of frequency of signal separation, the separation of the encoding signal for host computer and mobile phone to confirm contact, to prevent other mobile phone theft.
The cordless phone is different from the wireless walkie talkie, walkie talkie call when Party A Party B, Party B in the just dial on the channel encoding (or press the launch button), B machine after receiving the signal, you can press the launch button.
As one kind of mobile communication, cordless telephone has been applied in family and office because of its small size, low price, complete function, convenient operation and free from restriction.
