Re: [Openbts-discuss] Amplifier

[Arthur R. <art...@gm...>]

Hi,

You can get a duplexer from sysmocom too.
Le mer. 11 févr. 2015 à 09:49, Ralph A. Schmid, dk5ras <ra...@sc...> a
écrit :

> I can’t recommend any specific type – when I need an amplifier I build one
> :) MMICs are widely available, and they usually come with application
> examples in the datasheet, or even a complete evaluation unit can be bought
> that does the job “plug’n’play”.
>
>
>
> Regarding the duplexer, there should show up some on ebay sooner or later.
> The frequency ranges must fit, and you need some RF knowledge to judge from
> the specs if they suit your needs.
>
>
>
> I just can repeat, without any duplexer a plain B210 gives me a range of
> up to 150-200 meters, when I put the unit directly behind the window. The
> RAD1/SDR1 even a bit more. What range do you need, in what kind of area,
> in-house or outdoor?
>
>
>
> Ralph.
>
>
>
>
>
> *From:* Mohamed Ramsan [mailto:mmm...@gm...]
> *Sent:* Sunday, February 8, 2015 5:59 PM
> *To:* Ralph A. Schmid, dk5ras
> *Subject:* Re: [Openbts-discuss] Amplifier
>
>
>
> Hi Ralph,
>
>
>
> what is the type of duplexer and amplifier i can use.
>
> my problem is coverage is limited to around 60 feet and call quality is
> well for 30 feet.
>
> my task is increase the coverage area and call quality
>
>
>
> Thanks
>
>
>
> On Sun, Feb 8, 2015 at 7:27 PM, Ralph A. Schmid, dk5ras <ra...@sc...>
> wrote:
>
> You will need also a duplexer and perhaps a receiver preamp. What coverage
> do you want to reach?
>
>
>
> Ralph.
>
>
>
> *From:* Mohamed Ramsan [mailto:mmm...@gm...]
> *Sent:* Saturday, February 7, 2015 09:31
> *To:* ope...@li...
> *Subject:* [Openbts-discuss] Amplifier
>
>
>
> can anyone suggest me any amplifier suitable for openbts configuration to
> increase the coverage area
>
> ARFCN 107
>
> Antenna VERT900
>
> Band 900
>
> Thanks
>
>
>
>
>
> --
>
> Best Regards
> Mohamed Ramsan,
> Under Graduate,
> Dept. of Electronic and Telecommunication Engineering,
> University of Moratuwa,
> Sri Lanka.
> ------------------------------------------------------------
> ------------------
> Dive into the World of Parallel Programming. The Go Parallel Website,
> sponsored by Intel and developed in partnership with Slashdot Media, is
> your
> hub for all things parallel software development, from weekly thought
> leadership blogs to news, videos, case studies, tutorials and more. Take a
> look and join the conversation now. http://goparallel.sourceforge.net/
> _______________________________________________
> Openbts-discuss mailing list
> Ope...@li...
> https://lists.sourceforge.net/lists/listinfo/openbts-discuss
>