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Topic: SIM card/service options? (Read 546 times) previous topic - next topic


While not specifically a gsm shield question...  Which services (where to get) are best for arduino project that just send some data periodically?
I found some old (2+ year old) posts with links that were all dead, but seemed to indicate AT&T offered $25 sim card that included $15 air time & charged very little for data rates.

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