# 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 ``` {% embed url="" %}