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Peter Stuge peter at stuge.seHarald Welte wrote: > I've crated an initial Wiki page about the possible / intended > modifications from a classic phoned design at > http://bb.osmocom.org/trac/wiki/Custom_Calypso_Board : > > * board-edge connector for plugging many boards into one backplane .. > Feel free to discuss other extensions/modifications you may have in > mind. How about USB to the backplane if 12Mbps is enough throughput? The contacts are specified on the MiniPCI-E edge connector. Could also try some trick with the SIM signals for when using real SIM. //Peter