This is merely a historical archive of years 2008-2021, before the migration to mailman3.
A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/OpenBSC@lists.osmocom.org/.
Konrad Meier meierk at informatik.uni-freiburg.deAm 13.04.2011 15:23, schrieb Dieter Spaar: > Hello Konrad, > > On Wed, 13 Apr 2011 13:10:54 +0200, "Konrad Meier"<meierk at informatik.uni-freiburg.de> wrote: >> >> 1. What is the purpose of the "RF cable"? >> Is the TX port of the master BTS looped through the second BTS? Or hase >> every nanoBTS his own TRX/RX? > > The RF cable is used to route TX from the rear unit to the AUX connector > of the front unit. The SMB socket at the back and AUX are directly connected, > there is nothing special about them. So in a stacked two-units assembly > the front unit also has the TRX antenna of the rear unit at the AUX connector. > Most certainly the idea is to improve transmission of the rear unit or to > better separate the two TRX antennas. > > So TX is looped through one unit but the two TX signals are not combined. Thank you. This made it clear. I thought about the same setup but was hoping that the TRX signal is combined. Any idea what the NWL connector is for? Best regards Konrad