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| author | Harald Welte <laforge@gnumonks.org> | 2015-10-25 21:00:20 +0100 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2015-10-25 21:00:20 +0100 |
| commit | fca59bea770346cf1c1f9b0e00cb48a61b44a8f3 (patch) | |
| tree | a2011270df48d3501892ac1a56015c8be57e8a7d /2009/foss-mobile_world-seville2009/html/mgp00061.txt | |
import of old now defunct presentation slides svn repo
Diffstat (limited to '2009/foss-mobile_world-seville2009/html/mgp00061.txt')
| -rw-r--r-- | 2009/foss-mobile_world-seville2009/html/mgp00061.txt | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/2009/foss-mobile_world-seville2009/html/mgp00061.txt b/2009/foss-mobile_world-seville2009/html/mgp00061.txt new file mode 100644 index 0000000..bf32515 --- /dev/null +++ b/2009/foss-mobile_world-seville2009/html/mgp00061.txt @@ -0,0 +1,15 @@ +FOSS in the Mobile World +The Siemens BS-11 microBTS + + +Siemens BS-11 microBTS +plain old 2G (GSM voice calls, CSD) +one or two TRX, 30mW to 2W each, GSM900 +two E1 interfaces (for daisy-chaining) +documentation under NDA, but +99.9% of the A-bis protocol available from GSM specs +See TS 04.08 (RLL), 12.21 (OML), 08.58 (RSL) +RS232 serial port for Local Maintenance Terminal +LMT software proprietary under NDA +not needed for operation of the BTS + |