hi jyoti raina
I agree with aasif bashir and sahil singhs point of view that you may be getting power at only 193.1thz and for other wavelengths the power may be very less…Please specify the type of filter you are using at the receiver end.. By specifying this information the other members on the forum may be able to provide some suggestions which may help you.
please upload the .osd file of your model and also provide the screenshot of the filter properties you have kept for your design so that we
can better understand your proplem.
with regards
umer syed