sense the strength of GSM/3G

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hi there,

i want make project want read out strength of networks @ actual place. example gprs, gsm, 3g...
i'm not sure wether need of them since 3g kind of expensive.

so found out, there gsm-shields , 3g-shields, quite expensiv... , student :)
infact read out strength of of given networks. dont want access them or send on them.

is there easier workarround how sense networks? maybe taking broken mobiles or ebay?

thank , regards germany



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