Discusses what kind of options you have in terms of SIM/USIM cards when operating Osmocom based networks
This talk covers
* SIM/USIM card basics
* different options on what kind of SIM/USIM cards one can use in Osmocom networks
* running unauthenticated/unencrypted networks with 3rd parry operator SIMs
* using custom-provisioned SIMs/USIMs
* Osmocom pysim to program SIM/USIMs such as sysmoUSIM-SJS1 cards
![osmo-fl2k - the [evil] transmit-side brother of RTL-SDR](https://static.media.ccc.de/media/events/osmocon/2018/83-hd.jpg "osmo-fl2k - the [evil] transmit-side br…")
