Playing with mine at differnt places has shown different results. Mostly older routers especialy B class ones have the worst results. My N router does pretty good, across the house and onto the back porch. Thats abour 50 feet, 3 walls (2 of cinder block, one of wood with electrical wires) and a floor. But I have to sit with the back of the IPad facing the house. The WiFi antenna is under the plastic apple on the back.
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