Antenna phase shifting device and antenna phase shifting system using the same
2012
An antenna phase shifting device and an antenna phase shifting system using the same are provided. The antenna phase shifting system comprises an antenna including a phase shifter and transmitting a beam; the phase shifting device for shifting the phase of the beam by being connected to the phase shifter; and a controller for transmitting a control signal to the phase shifting device by generating the control signal for controlling the phase shifting device in a remote site. The control signal is an RS485 signal or an on-off keying (OOK) signal. The phase shifting device controls the phase shifter based on either the inputted RS485 signal or the inputted OOK signal.
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