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Andrey Sviyazov andreysviyaz at gmail.comHi Joel. On Fri, Feb 22, 2013 at 6:28 PM, joel yabut <joel at jointventure.com> wrote: > > May i know the following specs > > 1. What is the tx and rx isolation of umtrx? > Not yet measured and unfortunately there are no info from Lime Micro. > 2. What is the power output in dbm of your umtrx? > After fixing this issue<https://code.google.com/p/umtrx/issues/detail?id=41&can=1&colspec=ID%20Type%20Status%20Priority%20Milestone%20Owner%20Summary%20Modified>I measured + 20 dBm for 900 MHz band and +17 dBm for 1800. > > > 3. How is the lna on the rx input and is an external lna and bpf > > recommended? > > For Fairwaves 10W base stations we're developing UmSEL, which has > channel filter and an additional LNA. For the use without amplifier > you don't need any additional filters or LNAs. > > > 4. What is the main advantage of umtrx compared to usrp by ettus? > > If you want to use it for GSM, then it's cheaper and gives you > dual-channel support. > > -- > Regards, > Alexander Chemeris. > CEO, Fairwaves LLC / ООО УмРадио > http://fairwaves.ru > > Best regards, Andrey Sviyazov. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/umtrx/attachments/20130305/f13a475d/attachment.htm>