Video of Motorla C123 Calypso mobile phone acting as a GSM base station
Video of Motorla C123 Calypso mobile phone acting as a GSM base station.
I missed this when it was first released, but here’s Sylvain Munaut demonstrating a cheap Motorola Calypso phone (C115, C118, C123 etc) acting like a GSM base station.
Doesn’t have enough bandwidth for voice calls, but can send control signals & SMS. Amazing piece of hacking.
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