The modem of the receiving computer demodulates the analog sound signal back into a digital form that the computer can understand.
接收端的计算机的调制解调器将模拟语音信号解调还原为计算机能理解的数字形式。
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Wired remote control is a dedicated cable or power line as a carrier, the signal with modem transmission mode, to achieve a small number of channels can be used to control the method.
A cell modem doesn't give you cable-modem speed, but you'll have no problem watching online videos and, where you have a decent Sprint signal, even doing video chats.