The OpenBTS Chronicles

Since OpenBTS is a trademark of Range Networks, and since I am no longer at Range Networks, I do not use this blog anymore. I am now at blog...

Three years ago, we ran an OpenBTS workshop in Pfarrkirchen , hosted by Dieter Spaar at his farm there. Everyone in attendance had a great t...

Range Networks and SS7Ware will be presenting their One Core Network solution for mobile networks, based on OpenBTS and Yate, at the Compet...

OpenBTS is the only open source implementation of the 3GPP GSM/GPRS and UMTS radio access network (RAN). Yate's SS7 stack is the only...

Why we are not paranoid about Huawei Yesterday, the House Permanent Select Committee on Intelligence published a watershed report  highli...

The OpenBTS test network at Burning Man was a great experience.  We had a world-class team and used the unique environment of Black Rock Cit...

A few people have asked if we would be running an OpenBTS network at Burning Man this year.  Well, we are.  Six of us have been here since W...

Last week, I attended the OmsocomBB workshop in Berlin. Harald Welte was an excellent host and c-base was a fun venue. I got a chance to ...

(Do read the comments on this one and follow Sylvain Munaut's link for an example of a GMR Channel Request captured in the wild. Is it ...

(There is now a follow-up to this post that digs into some of the details of GMR-1 transmissions. The (in)security implications are stunnin...