BTS

Here we need to configure 2 parts

sudo vi /etc/osmocom/osmo-bts.cfg
phy 0
 instance 0
  osmotrx rx-gain 30 ! Set the receiver gain (configured in the hardware) in dB.
  osmotrx tx-attenuation 30 ! Set the transmitter attenuation (configured in the hardware) in dB.
 osmotrx ip local 127.0.0.1
 osmotrx ip remote 127.0.0.1
 no osmotrx timing-advance-loop

bts 0
 oml remote-ip 127.0.0.1
 ipa unit-id 6969 0
 gsmtap-sapi pdtch
 gsmtap-sapi ccch
 band 900
 trx 0
  phy 0 instance 0

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