The need of duplexer in low power operation

Alexander Chemeris alexander.chemeris at
Thu Oct 11 11:06:52 UTC 2012

On Thu, Oct 11, 2012 at 3:01 PM, Sylvain Munaut <246tnt at> wrote:
>> You mean bandpass filters? Are they only on Rx side or both Tx and Rx?
> Yes, bandpass filters. (SAW or Ceramic, possibly both)
> nanoBTS has both side. You can clearly see them here :
> sysmoBTS I know has RX filters, I don't remember about TX.

Hum, I don't see how is that different from a duplexer if they have
both Rx and Tx filters. Do you know any particular reason for this

Alexander Chemeris.
CEO, Fairwaves LLC / ООО УмРадио

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