Neither. It will depend on the gain setting and individual variation in the device. It is not calibrated to any specific dBm value and if you require dBm you must calibrate your readings against a known source. The listed maximum power figure is a maximum to avoid damage to the device.
Nick On Mon, May 21, 2018 at 10:35 AM oscar llerena via USRP-users < usrp-users@lists.ettus.com> wrote: > Hi everyone > > On the following OpenBTS parameter: > > OpenBTS> devconfig GSM.Radio.RSSITarget > GSM.Radio.RSSITarget -50 [default] > - description: Target uplink RSSI (Received Signal Strength > Indication) for MS power control loop, in dB wrt to A/D full scale. > > The description indicates that the RSSI value is minus 50 dB with respect > to the A/D full scale. Now, according to Ettus on link [1] the USRP B210 > has a maximum input power of 0 dBm, although other sources [2] state that > maximum input power is -15dBm. In this case, which dBm power level will > mean the term "with respect to A/D full scale". > > Thanks > > [1] https://kb.ettus.com/B200/B210/B200mini/B205mini > [2] https://files.ettus.com/manual/page_usrp_b200.html > > > -- > Oscar Llerena > Tlf: 997575596 > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >
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