On Sun, Jan 26, 2014 at 06:29:00PM -0500, Tom Tsou wrote:
On Fri, Jan 24, 2014 at 7:29 AM, Holger Hans Peter Freyther holger@freyther.de wrote:
SDRs provide the greatest flexibility but unless you have specific RF filters in your frontend you will not pass the harmonized norms of the European Union for GSM.
I think this statement is quite dated.
Ah cool. Can you point me to papers/text showing how the n-th harmonic is being removed from the spectrum?
A calibrated USRP N200 running osmo-trx passes RF spectrum and modulation accuracy requirements of 3GPP 05.05 by very large margins and is competitive with commercial GSM equipment in this regard. Other SDR devices are also capable to varying degrees.
The policy of FCC vs. European Union is quite different. There are more norms that apply in Europe.