Help please!

Good morning,
I am working with Gnuradio +UHD version 3.5.1, the daughter boardas are
RFX
2200 and frequency: 2400 - 25000 MHz.I want to make a simple spectrum
analizer, I tried to do it by myself but I always had a mistake. Then I
started to try with an example who came with it which is uhd_ fft.grc
but
I had the same mistake too:

linux; GNU C++ version 4.4.3; Boost_104000; UHD_003.004.000-5b06adb

– Opening a USRP1 device…
– Using FPGA clock rate of 64.000000MHz…

UHD Warning:
The hardware does not support the requested RX frequency:
Target frequency: 2450.000000 MHz
Actual frequency: 2386.000000 MHz
thread[thread-per-block[0]: <gr_block gr uhd usrp source (12)>]: caught
unrecognized exception

On the other hand,
I tried to test the wbfm receiver, other example that came with the
software, tunning at 93.3 MHz but this mistakes appears:

UHD Warning:
The hardware does not support the requested RX frequency:
Target frequency: 93.300000 MHz
Actual frequency: 2013.300000 MHz

I was expecting to see something in the spectrum analyzer at 93.3 and
listening something.

I don’t know what to do, I’ve tried a lot but I don’t know why it says
that
the hardware doesnt support the frequency

Thanks a lot in advance

ATT
Javier M.

Javier, the RFX2200 daughterboard works in the following frequency range
2.0–2.4 GHz you’re trying to use it outside the supported frequencies
(2.45GHz and 93.3 MHz) you should either work with the supported
frequencies or buy a different daughterboard to work with those
frequencies

Almohanad F.
[email protected]

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