[Discuss-gnuradio] modify usrp_nbfm_ppt.py to work with FLEX 900

[snow_fox]

Hey, 

Can anyone tell me how can I modify the usrp_nbfm_ppt.py to let it works
with my flex900 to receive cordless phone signal. I guess i need to change
the parameter of the receive low pass filter.

this is the original code which works fine with flex400
############
        chan_coeffs = gr.firdes.low_pass (1.0,                # gain
                                          self.if_rate,       # sampling
rate
                                          13e3,               # low pass
cutoff freq
                                          4e3,                # width of
trans. band
                                          gr.firdes.WIN_HANN) # filter type 
##############
I want to pick up the signal which around 926Mhz, so can anyone tell me what
is the low pass cutoff freq and width of the trans.band should be?

Any help is appreciated.

-Jeff 
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