UmTRX performance questions
andreysviyaz at gmail.com
Tue Mar 5 18:16:41 UTC 2013
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
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.
> Alexander Chemeris.
> CEO, Fairwaves LLC / ООО УмРадио
> Best regards,
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