On 05/18/2014 05:49 PM, Robert Light wrote:
Hi, I use B200 with OpenBTS at 900MHz. I get very low range (about 10m only)
and I identified that this is due to receive channel in B200. Changing rxgain
between 0 and 70dB makes vey little difference. Does anyone know how the
receive sensitivity of B200 compare with, for example, WBX?
What could be the reason for this low sensitivity? uhd_fft spectrum looks
"normal" , in the sense that I do not suspect a broken LNA.
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Are you on the correct antenna port?
The B2xx RF section is roughly the same noise figure and total gain as a
WBX.
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
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