> Have you thought about these embeded cellular "phones"

http://www.wavecom.com/Products_V2/product.php?prs_id=26&prg_id=8

I'm not familiar with that one, but I've got here a Siemens MC35
development kit to work on, and they're around NZ$400, so I'm
told, which is a tad more expensive than a fax modem

http://www.pgsm.hu/kinalat/keszulekek/siemensmc35_en.html

Nicer than a fax modem to play with though ;-)

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