Hello Harald,

On Fri, 19 Jun 2009 00:22:22 +0200, "Harald Welte" laforge@gnumonks.org wrote:

If we once again combine this with our knowledge, i.e.

...

BS-11 30mW 15dBm=09 BS-11 80mW 19dBm BS-11 250mW 24dBm BS-11 2W 33dBm nanoBTS 900 20dBm nanoBTS 1800 23dBm

And we set the BS power level in channel activation as 0xf (i.e. -30dB),then we get something like -15dBm for BS-11/30mW and -10/-7dBm for the nanoBTS. That would still be _very_ low.

A few numbers from a measurement:

nanoBTS 1800, ARCN 840, no voice/data traffic:

NM_ATT_RF_MAXPOWR_R RF output

0 20 dBm 1 18 dBm 2 16 dBm 4 12 dBm 8 4.4 dBm 9 2.0 dBm 10 0.4 dBm 11 -1.6 dBm 12 -3.6 dBm

The power measurement of my equippment is not calibrated and the cable I used is not one of the best, so it could cause 3 dB loss. However one can see the tendency. Values larger than 12 for NM_ATT_RF_MAXPOWR_R are not supported, they result in an error.

I will see if I find some time for measurements with the BS-11.

Best regards, Dieter