Hmm... GPS uBlox con antenna elicoidale Sarentel

clipped from www.sparkfun.com Low power: 3.3V @ 75mA Sarantel omni-directional Geo-helix SL1206 active antenna 4Hz Update rate Supports UBX data protocol at 9600bps Length (with antenna) 47.1mm Weight: 16g

Finalmente Sparkfun ce l'ha. Costa un botto (90$) ma... è chéll' ch'rè!